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org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos Maven / Gradle / Ivy

// Generated by the protocol buffer compiler.  DO NOT EDIT!
// source: datatransfer.proto

package org.apache.hadoop.hdfs.protocol.proto;

public final class DataTransferProtos {
  private DataTransferProtos() {}
  public static void registerAllExtensions(
      com.google.protobuf.ExtensionRegistry registry) {
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    ERROR(1, 1),
    ERROR_CHECKSUM(2, 2),
    ERROR_INVALID(3, 3),
    ERROR_EXISTS(4, 4),
    ERROR_ACCESS_TOKEN(5, 5),
    CHECKSUM_OK(6, 6),
    ;
    
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    public static final int ERROR_VALUE = 1;
    public static final int ERROR_CHECKSUM_VALUE = 2;
    public static final int ERROR_INVALID_VALUE = 3;
    public static final int ERROR_EXISTS_VALUE = 4;
    public static final int ERROR_ACCESS_TOKEN_VALUE = 5;
    public static final int CHECKSUM_OK_VALUE = 6;
    
    
    public final int getNumber() { return value; }
    
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        case 0: return SUCCESS;
        case 1: return ERROR;
        case 2: return ERROR_CHECKSUM;
        case 3: return ERROR_INVALID;
        case 4: return ERROR_EXISTS;
        case 5: return ERROR_ACCESS_TOKEN;
        case 6: return CHECKSUM_OK;
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    };
    
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    }
    
    private final int index;
    private final int value;
    
    private Status(int index, int value) {
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      this.value = value;
    }
    
    // @@protoc_insertion_point(enum_scope:Status)
  }
  
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        bitField0_ |= 0x00000001;
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        bitField0_ |= 0x00000001;
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          baseHeader_ = org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.BaseHeaderProto.getDefaultInstance();
          onChanged();
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        bitField0_ |= 0x00000001;
        onChanged();
        return getBaseHeaderFieldBuilder().getBuilder();
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      if (hasBytesPerChecksum()) {
        result = result && (getBytesPerChecksum()
            == other.getBytesPerChecksum());
      }
      result = result &&
          getUnknownFields().equals(other.getUnknownFields());
      return result;
    }
    
    @java.lang.Override
    public int hashCode() {
      int hash = 41;
      hash = (19 * hash) + getDescriptorForType().hashCode();
      if (hasType()) {
        hash = (37 * hash) + TYPE_FIELD_NUMBER;
        hash = (53 * hash) + hashEnum(getType());
      }
      if (hasBytesPerChecksum()) {
        hash = (37 * hash) + BYTESPERCHECKSUM_FIELD_NUMBER;
        hash = (53 * hash) + getBytesPerChecksum();
      }
      hash = (29 * hash) + getUnknownFields().hashCode();
      return hash;
    }
    
    public static org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProto parseFrom(
        com.google.protobuf.ByteString data)
        throws com.google.protobuf.InvalidProtocolBufferException {
      return newBuilder().mergeFrom(data).buildParsed();
    }
    public static org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProto parseFrom(
        com.google.protobuf.ByteString data,
        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws com.google.protobuf.InvalidProtocolBufferException {
      return newBuilder().mergeFrom(data, extensionRegistry)
               .buildParsed();
    }
    public static org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProto parseFrom(byte[] data)
        throws com.google.protobuf.InvalidProtocolBufferException {
      return newBuilder().mergeFrom(data).buildParsed();
    }
    public static org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProto parseFrom(
        byte[] data,
        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws com.google.protobuf.InvalidProtocolBufferException {
      return newBuilder().mergeFrom(data, extensionRegistry)
               .buildParsed();
    }
    public static org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProto parseFrom(java.io.InputStream input)
        throws java.io.IOException {
      return newBuilder().mergeFrom(input).buildParsed();
    }
    public static org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProto parseFrom(
        java.io.InputStream input,
        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws java.io.IOException {
      return newBuilder().mergeFrom(input, extensionRegistry)
               .buildParsed();
    }
    public static org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProto parseDelimitedFrom(java.io.InputStream input)
        throws java.io.IOException {
      Builder builder = newBuilder();
      if (builder.mergeDelimitedFrom(input)) {
        return builder.buildParsed();
      } else {
        return null;
      }
    }
    public static org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProto parseDelimitedFrom(
        java.io.InputStream input,
        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws java.io.IOException {
      Builder builder = newBuilder();
      if (builder.mergeDelimitedFrom(input, extensionRegistry)) {
        return builder.buildParsed();
      } else {
        return null;
      }
    }
    public static org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProto parseFrom(
        com.google.protobuf.CodedInputStream input)
        throws java.io.IOException {
      return newBuilder().mergeFrom(input).buildParsed();
    }
    public static org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProto parseFrom(
        com.google.protobuf.CodedInputStream input,
        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws java.io.IOException {
      return newBuilder().mergeFrom(input, extensionRegistry)
               .buildParsed();
    }
    
    public static Builder newBuilder() { return Builder.create(); }
    public Builder newBuilderForType() { return newBuilder(); }
    public static Builder newBuilder(org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProto prototype) {
      return newBuilder().mergeFrom(prototype);
    }
    public Builder toBuilder() { return newBuilder(this); }
    
    @java.lang.Override
    protected Builder newBuilderForType(
        com.google.protobuf.GeneratedMessage.BuilderParent parent) {
      Builder builder = new Builder(parent);
      return builder;
    }
    public static final class Builder extends
        com.google.protobuf.GeneratedMessage.Builder
       implements org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProtoOrBuilder {
      public static final com.google.protobuf.Descriptors.Descriptor
          getDescriptor() {
        return org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.internal_static_ChecksumProto_descriptor;
      }
      
      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
          internalGetFieldAccessorTable() {
        return org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.internal_static_ChecksumProto_fieldAccessorTable;
      }
      
      // Construct using org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProto.newBuilder()
      private Builder() {
        maybeForceBuilderInitialization();
      }
      
      private Builder(BuilderParent parent) {
        super(parent);
        maybeForceBuilderInitialization();
      }
      private void maybeForceBuilderInitialization() {
        if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
        }
      }
      private static Builder create() {
        return new Builder();
      }
      
      public Builder clear() {
        super.clear();
        type_ = org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProto.ChecksumType.NULL;
        bitField0_ = (bitField0_ & ~0x00000001);
        bytesPerChecksum_ = 0;
        bitField0_ = (bitField0_ & ~0x00000002);
        return this;
      }
      
      public Builder clone() {
        return create().mergeFrom(buildPartial());
      }
      
      public com.google.protobuf.Descriptors.Descriptor
          getDescriptorForType() {
        return org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProto.getDescriptor();
      }
      
      public org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProto getDefaultInstanceForType() {
        return org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProto.getDefaultInstance();
      }
      
      public org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProto build() {
        org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProto result = buildPartial();
        if (!result.isInitialized()) {
          throw newUninitializedMessageException(result);
        }
        return result;
      }
      
      private org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProto buildParsed()
          throws com.google.protobuf.InvalidProtocolBufferException {
        org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProto result = buildPartial();
        if (!result.isInitialized()) {
          throw newUninitializedMessageException(
            result).asInvalidProtocolBufferException();
        }
        return result;
      }
      
      public org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProto buildPartial() {
        org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProto result = new org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProto(this);
        int from_bitField0_ = bitField0_;
        int to_bitField0_ = 0;
        if (((from_bitField0_ & 0x00000001) == 0x00000001)) {
          to_bitField0_ |= 0x00000001;
        }
        result.type_ = type_;
        if (((from_bitField0_ & 0x00000002) == 0x00000002)) {
          to_bitField0_ |= 0x00000002;
        }
        result.bytesPerChecksum_ = bytesPerChecksum_;
        result.bitField0_ = to_bitField0_;
        onBuilt();
        return result;
      }
      
      public Builder mergeFrom(com.google.protobuf.Message other) {
        if (other instanceof org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProto) {
          return mergeFrom((org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProto)other);
        } else {
          super.mergeFrom(other);
          return this;
        }
      }
      
      public Builder mergeFrom(org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProto other) {
        if (other == org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProto.getDefaultInstance()) return this;
        if (other.hasType()) {
          setType(other.getType());
        }
        if (other.hasBytesPerChecksum()) {
          setBytesPerChecksum(other.getBytesPerChecksum());
        }
        this.mergeUnknownFields(other.getUnknownFields());
        return this;
      }
      
      public final boolean isInitialized() {
        if (!hasType()) {
          
          return false;
        }
        if (!hasBytesPerChecksum()) {
          
          return false;
        }
        return true;
      }
      
      public Builder mergeFrom(
          com.google.protobuf.CodedInputStream input,
          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
          throws java.io.IOException {
        com.google.protobuf.UnknownFieldSet.Builder unknownFields =
          com.google.protobuf.UnknownFieldSet.newBuilder(
            this.getUnknownFields());
        while (true) {
          int tag = input.readTag();
          switch (tag) {
            case 0:
              this.setUnknownFields(unknownFields.build());
              onChanged();
              return this;
            default: {
              if (!parseUnknownField(input, unknownFields,
                                     extensionRegistry, tag)) {
                this.setUnknownFields(unknownFields.build());
                onChanged();
                return this;
              }
              break;
            }
            case 8: {
              int rawValue = input.readEnum();
              org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProto.ChecksumType value = org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProto.ChecksumType.valueOf(rawValue);
              if (value == null) {
                unknownFields.mergeVarintField(1, rawValue);
              } else {
                bitField0_ |= 0x00000001;
                type_ = value;
              }
              break;
            }
            case 16: {
              bitField0_ |= 0x00000002;
              bytesPerChecksum_ = input.readUInt32();
              break;
            }
          }
        }
      }
      
      private int bitField0_;
      
      // required .ChecksumProto.ChecksumType type = 1;
      private org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProto.ChecksumType type_ = org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProto.ChecksumType.NULL;
      public boolean hasType() {
        return ((bitField0_ & 0x00000001) == 0x00000001);
      }
      public org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProto.ChecksumType getType() {
        return type_;
      }
      public Builder setType(org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProto.ChecksumType value) {
        if (value == null) {
          throw new NullPointerException();
        }
        bitField0_ |= 0x00000001;
        type_ = value;
        onChanged();
        return this;
      }
      public Builder clearType() {
        bitField0_ = (bitField0_ & ~0x00000001);
        type_ = org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProto.ChecksumType.NULL;
        onChanged();
        return this;
      }
      
      // required uint32 bytesPerChecksum = 2;
      private int bytesPerChecksum_ ;
      public boolean hasBytesPerChecksum() {
        return ((bitField0_ & 0x00000002) == 0x00000002);
      }
      public int getBytesPerChecksum() {
        return bytesPerChecksum_;
      }
      public Builder setBytesPerChecksum(int value) {
        bitField0_ |= 0x00000002;
        bytesPerChecksum_ = value;
        onChanged();
        return this;
      }
      public Builder clearBytesPerChecksum() {
        bitField0_ = (bitField0_ & ~0x00000002);
        bytesPerChecksum_ = 0;
        onChanged();
        return this;
      }
      
      // @@protoc_insertion_point(builder_scope:ChecksumProto)
    }
    
    static {
      defaultInstance = new ChecksumProto(true);
      defaultInstance.initFields();
    }
    
    // @@protoc_insertion_point(class_scope:ChecksumProto)
  }
  
  public interface OpWriteBlockProtoOrBuilder
      extends com.google.protobuf.MessageOrBuilder {
    
    // required .ClientOperationHeaderProto header = 1;
    boolean hasHeader();
    org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ClientOperationHeaderProto getHeader();
    org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ClientOperationHeaderProtoOrBuilder getHeaderOrBuilder();
    
    // repeated .DatanodeInfoProto targets = 2;
    java.util.List 
        getTargetsList();
    org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProto getTargets(int index);
    int getTargetsCount();
    java.util.List 
        getTargetsOrBuilderList();
    org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProtoOrBuilder getTargetsOrBuilder(
        int index);
    
    // optional .DatanodeInfoProto source = 3;
    boolean hasSource();
    org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProto getSource();
    org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProtoOrBuilder getSourceOrBuilder();
    
    // required .OpWriteBlockProto.BlockConstructionStage stage = 4;
    boolean hasStage();
    org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpWriteBlockProto.BlockConstructionStage getStage();
    
    // required uint32 pipelineSize = 5;
    boolean hasPipelineSize();
    int getPipelineSize();
    
    // required uint64 minBytesRcvd = 6;
    boolean hasMinBytesRcvd();
    long getMinBytesRcvd();
    
    // required uint64 maxBytesRcvd = 7;
    boolean hasMaxBytesRcvd();
    long getMaxBytesRcvd();
    
    // required uint64 latestGenerationStamp = 8;
    boolean hasLatestGenerationStamp();
    long getLatestGenerationStamp();
    
    // required .ChecksumProto requestedChecksum = 9;
    boolean hasRequestedChecksum();
    org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProto getRequestedChecksum();
    org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProtoOrBuilder getRequestedChecksumOrBuilder();
  }
  public static final class OpWriteBlockProto extends
      com.google.protobuf.GeneratedMessage
      implements OpWriteBlockProtoOrBuilder {
    // Use OpWriteBlockProto.newBuilder() to construct.
    private OpWriteBlockProto(Builder builder) {
      super(builder);
    }
    private OpWriteBlockProto(boolean noInit) {}
    
    private static final OpWriteBlockProto defaultInstance;
    public static OpWriteBlockProto getDefaultInstance() {
      return defaultInstance;
    }
    
    public OpWriteBlockProto getDefaultInstanceForType() {
      return defaultInstance;
    }
    
    public static final com.google.protobuf.Descriptors.Descriptor
        getDescriptor() {
      return org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.internal_static_OpWriteBlockProto_descriptor;
    }
    
    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
        internalGetFieldAccessorTable() {
      return org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.internal_static_OpWriteBlockProto_fieldAccessorTable;
    }
    
    public enum BlockConstructionStage
        implements com.google.protobuf.ProtocolMessageEnum {
      PIPELINE_SETUP_APPEND(0, 0),
      PIPELINE_SETUP_APPEND_RECOVERY(1, 1),
      DATA_STREAMING(2, 2),
      PIPELINE_SETUP_STREAMING_RECOVERY(3, 3),
      PIPELINE_CLOSE(4, 4),
      PIPELINE_CLOSE_RECOVERY(5, 5),
      PIPELINE_SETUP_CREATE(6, 6),
      TRANSFER_RBW(7, 7),
      TRANSFER_FINALIZED(8, 8),
      ;
      
      public static final int PIPELINE_SETUP_APPEND_VALUE = 0;
      public static final int PIPELINE_SETUP_APPEND_RECOVERY_VALUE = 1;
      public static final int DATA_STREAMING_VALUE = 2;
      public static final int PIPELINE_SETUP_STREAMING_RECOVERY_VALUE = 3;
      public static final int PIPELINE_CLOSE_VALUE = 4;
      public static final int PIPELINE_CLOSE_RECOVERY_VALUE = 5;
      public static final int PIPELINE_SETUP_CREATE_VALUE = 6;
      public static final int TRANSFER_RBW_VALUE = 7;
      public static final int TRANSFER_FINALIZED_VALUE = 8;
      
      
      public final int getNumber() { return value; }
      
      public static BlockConstructionStage valueOf(int value) {
        switch (value) {
          case 0: return PIPELINE_SETUP_APPEND;
          case 1: return PIPELINE_SETUP_APPEND_RECOVERY;
          case 2: return DATA_STREAMING;
          case 3: return PIPELINE_SETUP_STREAMING_RECOVERY;
          case 4: return PIPELINE_CLOSE;
          case 5: return PIPELINE_CLOSE_RECOVERY;
          case 6: return PIPELINE_SETUP_CREATE;
          case 7: return TRANSFER_RBW;
          case 8: return TRANSFER_FINALIZED;
          default: return null;
        }
      }
      
      public static com.google.protobuf.Internal.EnumLiteMap
          internalGetValueMap() {
        return internalValueMap;
      }
      private static com.google.protobuf.Internal.EnumLiteMap
          internalValueMap =
            new com.google.protobuf.Internal.EnumLiteMap() {
              public BlockConstructionStage findValueByNumber(int number) {
                return BlockConstructionStage.valueOf(number);
              }
            };
      
      public final com.google.protobuf.Descriptors.EnumValueDescriptor
          getValueDescriptor() {
        return getDescriptor().getValues().get(index);
      }
      public final com.google.protobuf.Descriptors.EnumDescriptor
          getDescriptorForType() {
        return getDescriptor();
      }
      public static final com.google.protobuf.Descriptors.EnumDescriptor
          getDescriptor() {
        return org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpWriteBlockProto.getDescriptor().getEnumTypes().get(0);
      }
      
      private static final BlockConstructionStage[] VALUES = {
        PIPELINE_SETUP_APPEND, PIPELINE_SETUP_APPEND_RECOVERY, DATA_STREAMING, PIPELINE_SETUP_STREAMING_RECOVERY, PIPELINE_CLOSE, PIPELINE_CLOSE_RECOVERY, PIPELINE_SETUP_CREATE, TRANSFER_RBW, TRANSFER_FINALIZED, 
      };
      
      public static BlockConstructionStage valueOf(
          com.google.protobuf.Descriptors.EnumValueDescriptor desc) {
        if (desc.getType() != getDescriptor()) {
          throw new java.lang.IllegalArgumentException(
            "EnumValueDescriptor is not for this type.");
        }
        return VALUES[desc.getIndex()];
      }
      
      private final int index;
      private final int value;
      
      private BlockConstructionStage(int index, int value) {
        this.index = index;
        this.value = value;
      }
      
      // @@protoc_insertion_point(enum_scope:OpWriteBlockProto.BlockConstructionStage)
    }
    
    private int bitField0_;
    // required .ClientOperationHeaderProto header = 1;
    public static final int HEADER_FIELD_NUMBER = 1;
    private org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ClientOperationHeaderProto header_;
    public boolean hasHeader() {
      return ((bitField0_ & 0x00000001) == 0x00000001);
    }
    public org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ClientOperationHeaderProto getHeader() {
      return header_;
    }
    public org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ClientOperationHeaderProtoOrBuilder getHeaderOrBuilder() {
      return header_;
    }
    
    // repeated .DatanodeInfoProto targets = 2;
    public static final int TARGETS_FIELD_NUMBER = 2;
    private java.util.List targets_;
    public java.util.List getTargetsList() {
      return targets_;
    }
    public java.util.List 
        getTargetsOrBuilderList() {
      return targets_;
    }
    public int getTargetsCount() {
      return targets_.size();
    }
    public org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProto getTargets(int index) {
      return targets_.get(index);
    }
    public org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProtoOrBuilder getTargetsOrBuilder(
        int index) {
      return targets_.get(index);
    }
    
    // optional .DatanodeInfoProto source = 3;
    public static final int SOURCE_FIELD_NUMBER = 3;
    private org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProto source_;
    public boolean hasSource() {
      return ((bitField0_ & 0x00000002) == 0x00000002);
    }
    public org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProto getSource() {
      return source_;
    }
    public org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProtoOrBuilder getSourceOrBuilder() {
      return source_;
    }
    
    // required .OpWriteBlockProto.BlockConstructionStage stage = 4;
    public static final int STAGE_FIELD_NUMBER = 4;
    private org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpWriteBlockProto.BlockConstructionStage stage_;
    public boolean hasStage() {
      return ((bitField0_ & 0x00000004) == 0x00000004);
    }
    public org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpWriteBlockProto.BlockConstructionStage getStage() {
      return stage_;
    }
    
    // required uint32 pipelineSize = 5;
    public static final int PIPELINESIZE_FIELD_NUMBER = 5;
    private int pipelineSize_;
    public boolean hasPipelineSize() {
      return ((bitField0_ & 0x00000008) == 0x00000008);
    }
    public int getPipelineSize() {
      return pipelineSize_;
    }
    
    // required uint64 minBytesRcvd = 6;
    public static final int MINBYTESRCVD_FIELD_NUMBER = 6;
    private long minBytesRcvd_;
    public boolean hasMinBytesRcvd() {
      return ((bitField0_ & 0x00000010) == 0x00000010);
    }
    public long getMinBytesRcvd() {
      return minBytesRcvd_;
    }
    
    // required uint64 maxBytesRcvd = 7;
    public static final int MAXBYTESRCVD_FIELD_NUMBER = 7;
    private long maxBytesRcvd_;
    public boolean hasMaxBytesRcvd() {
      return ((bitField0_ & 0x00000020) == 0x00000020);
    }
    public long getMaxBytesRcvd() {
      return maxBytesRcvd_;
    }
    
    // required uint64 latestGenerationStamp = 8;
    public static final int LATESTGENERATIONSTAMP_FIELD_NUMBER = 8;
    private long latestGenerationStamp_;
    public boolean hasLatestGenerationStamp() {
      return ((bitField0_ & 0x00000040) == 0x00000040);
    }
    public long getLatestGenerationStamp() {
      return latestGenerationStamp_;
    }
    
    // required .ChecksumProto requestedChecksum = 9;
    public static final int REQUESTEDCHECKSUM_FIELD_NUMBER = 9;
    private org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProto requestedChecksum_;
    public boolean hasRequestedChecksum() {
      return ((bitField0_ & 0x00000080) == 0x00000080);
    }
    public org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProto getRequestedChecksum() {
      return requestedChecksum_;
    }
    public org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProtoOrBuilder getRequestedChecksumOrBuilder() {
      return requestedChecksum_;
    }
    
    private void initFields() {
      header_ = org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ClientOperationHeaderProto.getDefaultInstance();
      targets_ = java.util.Collections.emptyList();
      source_ = org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProto.getDefaultInstance();
      stage_ = org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpWriteBlockProto.BlockConstructionStage.PIPELINE_SETUP_APPEND;
      pipelineSize_ = 0;
      minBytesRcvd_ = 0L;
      maxBytesRcvd_ = 0L;
      latestGenerationStamp_ = 0L;
      requestedChecksum_ = org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProto.getDefaultInstance();
    }
    private byte memoizedIsInitialized = -1;
    public final boolean isInitialized() {
      byte isInitialized = memoizedIsInitialized;
      if (isInitialized != -1) return isInitialized == 1;
      
      if (!hasHeader()) {
        memoizedIsInitialized = 0;
        return false;
      }
      if (!hasStage()) {
        memoizedIsInitialized = 0;
        return false;
      }
      if (!hasPipelineSize()) {
        memoizedIsInitialized = 0;
        return false;
      }
      if (!hasMinBytesRcvd()) {
        memoizedIsInitialized = 0;
        return false;
      }
      if (!hasMaxBytesRcvd()) {
        memoizedIsInitialized = 0;
        return false;
      }
      if (!hasLatestGenerationStamp()) {
        memoizedIsInitialized = 0;
        return false;
      }
      if (!hasRequestedChecksum()) {
        memoizedIsInitialized = 0;
        return false;
      }
      if (!getHeader().isInitialized()) {
        memoizedIsInitialized = 0;
        return false;
      }
      for (int i = 0; i < getTargetsCount(); i++) {
        if (!getTargets(i).isInitialized()) {
          memoizedIsInitialized = 0;
          return false;
        }
      }
      if (hasSource()) {
        if (!getSource().isInitialized()) {
          memoizedIsInitialized = 0;
          return false;
        }
      }
      if (!getRequestedChecksum().isInitialized()) {
        memoizedIsInitialized = 0;
        return false;
      }
      memoizedIsInitialized = 1;
      return true;
    }
    
    public void writeTo(com.google.protobuf.CodedOutputStream output)
                        throws java.io.IOException {
      getSerializedSize();
      if (((bitField0_ & 0x00000001) == 0x00000001)) {
        output.writeMessage(1, header_);
      }
      for (int i = 0; i < targets_.size(); i++) {
        output.writeMessage(2, targets_.get(i));
      }
      if (((bitField0_ & 0x00000002) == 0x00000002)) {
        output.writeMessage(3, source_);
      }
      if (((bitField0_ & 0x00000004) == 0x00000004)) {
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      public Builder clearHeader() {
        if (headerBuilder_ == null) {
          header_ = org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ClientOperationHeaderProto.getDefaultInstance();
          onChanged();
        } else {
          headerBuilder_.clear();
        }
        bitField0_ = (bitField0_ & ~0x00000001);
        return this;
      }
      public org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ClientOperationHeaderProto.Builder getHeaderBuilder() {
        bitField0_ |= 0x00000001;
        onChanged();
        return getHeaderFieldBuilder().getBuilder();
      }
      public org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ClientOperationHeaderProtoOrBuilder getHeaderOrBuilder() {
        if (headerBuilder_ != null) {
          return headerBuilder_.getMessageOrBuilder();
        } else {
          return header_;
        }
      }
      private com.google.protobuf.SingleFieldBuilder<
          org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ClientOperationHeaderProto, org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ClientOperationHeaderProto.Builder, org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ClientOperationHeaderProtoOrBuilder> 
          getHeaderFieldBuilder() {
        if (headerBuilder_ == null) {
          headerBuilder_ = new com.google.protobuf.SingleFieldBuilder<
              org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ClientOperationHeaderProto, org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ClientOperationHeaderProto.Builder, org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ClientOperationHeaderProtoOrBuilder>(
                  header_,
                  getParentForChildren(),
                  isClean());
          header_ = null;
        }
        return headerBuilder_;
      }
      
      // repeated .DatanodeInfoProto targets = 2;
      private java.util.List targets_ =
        java.util.Collections.emptyList();
      private void ensureTargetsIsMutable() {
        if (!((bitField0_ & 0x00000002) == 0x00000002)) {
          targets_ = new java.util.ArrayList(targets_);
          bitField0_ |= 0x00000002;
         }
      }
      
      private com.google.protobuf.RepeatedFieldBuilder<
          org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProto, org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProto.Builder, org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProtoOrBuilder> targetsBuilder_;
      
      public java.util.List getTargetsList() {
        if (targetsBuilder_ == null) {
          return java.util.Collections.unmodifiableList(targets_);
        } else {
          return targetsBuilder_.getMessageList();
        }
      }
      public int getTargetsCount() {
        if (targetsBuilder_ == null) {
          return targets_.size();
        } else {
          return targetsBuilder_.getCount();
        }
      }
      public org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProto getTargets(int index) {
        if (targetsBuilder_ == null) {
          return targets_.get(index);
        } else {
          return targetsBuilder_.getMessage(index);
        }
      }
      public Builder setTargets(
          int index, org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProto value) {
        if (targetsBuilder_ == null) {
          if (value == null) {
            throw new NullPointerException();
          }
          ensureTargetsIsMutable();
          targets_.set(index, value);
          onChanged();
        } else {
          targetsBuilder_.setMessage(index, value);
        }
        return this;
      }
      public Builder setTargets(
          int index, org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProto.Builder builderForValue) {
        if (targetsBuilder_ == null) {
          ensureTargetsIsMutable();
          targets_.set(index, builderForValue.build());
          onChanged();
        } else {
          targetsBuilder_.setMessage(index, builderForValue.build());
        }
        return this;
      }
      public Builder addTargets(org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProto value) {
        if (targetsBuilder_ == null) {
          if (value == null) {
            throw new NullPointerException();
          }
          ensureTargetsIsMutable();
          targets_.add(value);
          onChanged();
        } else {
          targetsBuilder_.addMessage(value);
        }
        return this;
      }
      public Builder addTargets(
          int index, org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProto value) {
        if (targetsBuilder_ == null) {
          if (value == null) {
            throw new NullPointerException();
          }
          ensureTargetsIsMutable();
          targets_.add(index, value);
          onChanged();
        } else {
          targetsBuilder_.addMessage(index, value);
        }
        return this;
      }
      public Builder addTargets(
          org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProto.Builder builderForValue) {
        if (targetsBuilder_ == null) {
          ensureTargetsIsMutable();
          targets_.add(builderForValue.build());
          onChanged();
        } else {
          targetsBuilder_.addMessage(builderForValue.build());
        }
        return this;
      }
      public Builder addTargets(
          int index, org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProto.Builder builderForValue) {
        if (targetsBuilder_ == null) {
          ensureTargetsIsMutable();
          targets_.add(index, builderForValue.build());
          onChanged();
        } else {
          targetsBuilder_.addMessage(index, builderForValue.build());
        }
        return this;
      }
      public Builder addAllTargets(
          java.lang.Iterable values) {
        if (targetsBuilder_ == null) {
          ensureTargetsIsMutable();
          super.addAll(values, targets_);
          onChanged();
        } else {
          targetsBuilder_.addAllMessages(values);
        }
        return this;
      }
      public Builder clearTargets() {
        if (targetsBuilder_ == null) {
          targets_ = java.util.Collections.emptyList();
          bitField0_ = (bitField0_ & ~0x00000002);
          onChanged();
        } else {
          targetsBuilder_.clear();
        }
        return this;
      }
      public Builder removeTargets(int index) {
        if (targetsBuilder_ == null) {
          ensureTargetsIsMutable();
          targets_.remove(index);
          onChanged();
        } else {
          targetsBuilder_.remove(index);
        }
        return this;
      }
      public org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProto.Builder getTargetsBuilder(
          int index) {
        return getTargetsFieldBuilder().getBuilder(index);
      }
      public org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProtoOrBuilder getTargetsOrBuilder(
          int index) {
        if (targetsBuilder_ == null) {
          return targets_.get(index);  } else {
          return targetsBuilder_.getMessageOrBuilder(index);
        }
      }
      public java.util.List 
           getTargetsOrBuilderList() {
        if (targetsBuilder_ != null) {
          return targetsBuilder_.getMessageOrBuilderList();
        } else {
          return java.util.Collections.unmodifiableList(targets_);
        }
      }
      public org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProto.Builder addTargetsBuilder() {
        return getTargetsFieldBuilder().addBuilder(
            org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProto.getDefaultInstance());
      }
      public org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProto.Builder addTargetsBuilder(
          int index) {
        return getTargetsFieldBuilder().addBuilder(
            index, org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProto.getDefaultInstance());
      }
      public java.util.List 
           getTargetsBuilderList() {
        return getTargetsFieldBuilder().getBuilderList();
      }
      private com.google.protobuf.RepeatedFieldBuilder<
          org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProto, org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProto.Builder, org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProtoOrBuilder> 
          getTargetsFieldBuilder() {
        if (targetsBuilder_ == null) {
          targetsBuilder_ = new com.google.protobuf.RepeatedFieldBuilder<
              org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProto, org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProto.Builder, org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProtoOrBuilder>(
                  targets_,
                  ((bitField0_ & 0x00000002) == 0x00000002),
                  getParentForChildren(),
                  isClean());
          targets_ = null;
        }
        return targetsBuilder_;
      }
      
      // optional .DatanodeInfoProto source = 3;
      private org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProto source_ = org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProto.getDefaultInstance();
      private com.google.protobuf.SingleFieldBuilder<
          org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProto, org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProto.Builder, org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProtoOrBuilder> sourceBuilder_;
      public boolean hasSource() {
        return ((bitField0_ & 0x00000004) == 0x00000004);
      }
      public org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProto getSource() {
        if (sourceBuilder_ == null) {
          return source_;
        } else {
          return sourceBuilder_.getMessage();
        }
      }
      public Builder setSource(org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProto value) {
        if (sourceBuilder_ == null) {
          if (value == null) {
            throw new NullPointerException();
          }
          source_ = value;
          onChanged();
        } else {
          sourceBuilder_.setMessage(value);
        }
        bitField0_ |= 0x00000004;
        return this;
      }
      public Builder setSource(
          org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProto.Builder builderForValue) {
        if (sourceBuilder_ == null) {
          source_ = builderForValue.build();
          onChanged();
        } else {
          sourceBuilder_.setMessage(builderForValue.build());
        }
        bitField0_ |= 0x00000004;
        return this;
      }
      public Builder mergeSource(org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProto value) {
        if (sourceBuilder_ == null) {
          if (((bitField0_ & 0x00000004) == 0x00000004) &&
              source_ != org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProto.getDefaultInstance()) {
            source_ =
              org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProto.newBuilder(source_).mergeFrom(value).buildPartial();
          } else {
            source_ = value;
          }
          onChanged();
        } else {
          sourceBuilder_.mergeFrom(value);
        }
        bitField0_ |= 0x00000004;
        return this;
      }
      public Builder clearSource() {
        if (sourceBuilder_ == null) {
          source_ = org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProto.getDefaultInstance();
          onChanged();
        } else {
          sourceBuilder_.clear();
        }
        bitField0_ = (bitField0_ & ~0x00000004);
        return this;
      }
      public org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProto.Builder getSourceBuilder() {
        bitField0_ |= 0x00000004;
        onChanged();
        return getSourceFieldBuilder().getBuilder();
      }
      public org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProtoOrBuilder getSourceOrBuilder() {
        if (sourceBuilder_ != null) {
          return sourceBuilder_.getMessageOrBuilder();
        } else {
          return source_;
        }
      }
      private com.google.protobuf.SingleFieldBuilder<
          org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProto, org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProto.Builder, org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProtoOrBuilder> 
          getSourceFieldBuilder() {
        if (sourceBuilder_ == null) {
          sourceBuilder_ = new com.google.protobuf.SingleFieldBuilder<
              org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProto, org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProto.Builder, org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProtoOrBuilder>(
                  source_,
                  getParentForChildren(),
                  isClean());
          source_ = null;
        }
        return sourceBuilder_;
      }
      
      // required .OpWriteBlockProto.BlockConstructionStage stage = 4;
      private org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpWriteBlockProto.BlockConstructionStage stage_ = org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpWriteBlockProto.BlockConstructionStage.PIPELINE_SETUP_APPEND;
      public boolean hasStage() {
        return ((bitField0_ & 0x00000008) == 0x00000008);
      }
      public org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpWriteBlockProto.BlockConstructionStage getStage() {
        return stage_;
      }
      public Builder setStage(org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpWriteBlockProto.BlockConstructionStage value) {
        if (value == null) {
          throw new NullPointerException();
        }
        bitField0_ |= 0x00000008;
        stage_ = value;
        onChanged();
        return this;
      }
      public Builder clearStage() {
        bitField0_ = (bitField0_ & ~0x00000008);
        stage_ = org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpWriteBlockProto.BlockConstructionStage.PIPELINE_SETUP_APPEND;
        onChanged();
        return this;
      }
      
      // required uint32 pipelineSize = 5;
      private int pipelineSize_ ;
      public boolean hasPipelineSize() {
        return ((bitField0_ & 0x00000010) == 0x00000010);
      }
      public int getPipelineSize() {
        return pipelineSize_;
      }
      public Builder setPipelineSize(int value) {
        bitField0_ |= 0x00000010;
        pipelineSize_ = value;
        onChanged();
        return this;
      }
      public Builder clearPipelineSize() {
        bitField0_ = (bitField0_ & ~0x00000010);
        pipelineSize_ = 0;
        onChanged();
        return this;
      }
      
      // required uint64 minBytesRcvd = 6;
      private long minBytesRcvd_ ;
      public boolean hasMinBytesRcvd() {
        return ((bitField0_ & 0x00000020) == 0x00000020);
      }
      public long getMinBytesRcvd() {
        return minBytesRcvd_;
      }
      public Builder setMinBytesRcvd(long value) {
        bitField0_ |= 0x00000020;
        minBytesRcvd_ = value;
        onChanged();
        return this;
      }
      public Builder clearMinBytesRcvd() {
        bitField0_ = (bitField0_ & ~0x00000020);
        minBytesRcvd_ = 0L;
        onChanged();
        return this;
      }
      
      // required uint64 maxBytesRcvd = 7;
      private long maxBytesRcvd_ ;
      public boolean hasMaxBytesRcvd() {
        return ((bitField0_ & 0x00000040) == 0x00000040);
      }
      public long getMaxBytesRcvd() {
        return maxBytesRcvd_;
      }
      public Builder setMaxBytesRcvd(long value) {
        bitField0_ |= 0x00000040;
        maxBytesRcvd_ = value;
        onChanged();
        return this;
      }
      public Builder clearMaxBytesRcvd() {
        bitField0_ = (bitField0_ & ~0x00000040);
        maxBytesRcvd_ = 0L;
        onChanged();
        return this;
      }
      
      // required uint64 latestGenerationStamp = 8;
      private long latestGenerationStamp_ ;
      public boolean hasLatestGenerationStamp() {
        return ((bitField0_ & 0x00000080) == 0x00000080);
      }
      public long getLatestGenerationStamp() {
        return latestGenerationStamp_;
      }
      public Builder setLatestGenerationStamp(long value) {
        bitField0_ |= 0x00000080;
        latestGenerationStamp_ = value;
        onChanged();
        return this;
      }
      public Builder clearLatestGenerationStamp() {
        bitField0_ = (bitField0_ & ~0x00000080);
        latestGenerationStamp_ = 0L;
        onChanged();
        return this;
      }
      
      // required .ChecksumProto requestedChecksum = 9;
      private org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProto requestedChecksum_ = org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProto.getDefaultInstance();
      private com.google.protobuf.SingleFieldBuilder<
          org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProto, org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProto.Builder, org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProtoOrBuilder> requestedChecksumBuilder_;
      public boolean hasRequestedChecksum() {
        return ((bitField0_ & 0x00000100) == 0x00000100);
      }
      public org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProto getRequestedChecksum() {
        if (requestedChecksumBuilder_ == null) {
          return requestedChecksum_;
        } else {
          return requestedChecksumBuilder_.getMessage();
        }
      }
      public Builder setRequestedChecksum(org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProto value) {
        if (requestedChecksumBuilder_ == null) {
          if (value == null) {
            throw new NullPointerException();
          }
          requestedChecksum_ = value;
          onChanged();
        } else {
          requestedChecksumBuilder_.setMessage(value);
        }
        bitField0_ |= 0x00000100;
        return this;
      }
      public Builder setRequestedChecksum(
          org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProto.Builder builderForValue) {
        if (requestedChecksumBuilder_ == null) {
          requestedChecksum_ = builderForValue.build();
          onChanged();
        } else {
          requestedChecksumBuilder_.setMessage(builderForValue.build());
        }
        bitField0_ |= 0x00000100;
        return this;
      }
      public Builder mergeRequestedChecksum(org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProto value) {
        if (requestedChecksumBuilder_ == null) {
          if (((bitField0_ & 0x00000100) == 0x00000100) &&
              requestedChecksum_ != org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProto.getDefaultInstance()) {
            requestedChecksum_ =
              org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProto.newBuilder(requestedChecksum_).mergeFrom(value).buildPartial();
          } else {
            requestedChecksum_ = value;
          }
          onChanged();
        } else {
          requestedChecksumBuilder_.mergeFrom(value);
        }
        bitField0_ |= 0x00000100;
        return this;
      }
      public Builder clearRequestedChecksum() {
        if (requestedChecksumBuilder_ == null) {
          requestedChecksum_ = org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProto.getDefaultInstance();
          onChanged();
        } else {
          requestedChecksumBuilder_.clear();
        }
        bitField0_ = (bitField0_ & ~0x00000100);
        return this;
      }
      public org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProto.Builder getRequestedChecksumBuilder() {
        bitField0_ |= 0x00000100;
        onChanged();
        return getRequestedChecksumFieldBuilder().getBuilder();
      }
      public org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProtoOrBuilder getRequestedChecksumOrBuilder() {
        if (requestedChecksumBuilder_ != null) {
          return requestedChecksumBuilder_.getMessageOrBuilder();
        } else {
          return requestedChecksum_;
        }
      }
      private com.google.protobuf.SingleFieldBuilder<
          org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProto, org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProto.Builder, org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProtoOrBuilder> 
          getRequestedChecksumFieldBuilder() {
        if (requestedChecksumBuilder_ == null) {
          requestedChecksumBuilder_ = new com.google.protobuf.SingleFieldBuilder<
              org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProto, org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProto.Builder, org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProtoOrBuilder>(
                  requestedChecksum_,
                  getParentForChildren(),
                  isClean());
          requestedChecksum_ = null;
        }
        return requestedChecksumBuilder_;
      }
      
      // @@protoc_insertion_point(builder_scope:OpWriteBlockProto)
    }
    
    static {
      defaultInstance = new OpWriteBlockProto(true);
      defaultInstance.initFields();
    }
    
    // @@protoc_insertion_point(class_scope:OpWriteBlockProto)
  }
  
  public interface OpTransferBlockProtoOrBuilder
      extends com.google.protobuf.MessageOrBuilder {
    
    // required .ClientOperationHeaderProto header = 1;
    boolean hasHeader();
    org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ClientOperationHeaderProto getHeader();
    org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ClientOperationHeaderProtoOrBuilder getHeaderOrBuilder();
    
    // repeated .DatanodeInfoProto targets = 2;
    java.util.List 
        getTargetsList();
    org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProto getTargets(int index);
    int getTargetsCount();
    java.util.List 
        getTargetsOrBuilderList();
    org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProtoOrBuilder getTargetsOrBuilder(
        int index);
  }
  public static final class OpTransferBlockProto extends
      com.google.protobuf.GeneratedMessage
      implements OpTransferBlockProtoOrBuilder {
    // Use OpTransferBlockProto.newBuilder() to construct.
    private OpTransferBlockProto(Builder builder) {
      super(builder);
    }
    private OpTransferBlockProto(boolean noInit) {}
    
    private static final OpTransferBlockProto defaultInstance;
    public static OpTransferBlockProto getDefaultInstance() {
      return defaultInstance;
    }
    
    public OpTransferBlockProto getDefaultInstanceForType() {
      return defaultInstance;
    }
    
    public static final com.google.protobuf.Descriptors.Descriptor
        getDescriptor() {
      return org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.internal_static_OpTransferBlockProto_descriptor;
    }
    
    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
        internalGetFieldAccessorTable() {
      return org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.internal_static_OpTransferBlockProto_fieldAccessorTable;
    }
    
    private int bitField0_;
    // required .ClientOperationHeaderProto header = 1;
    public static final int HEADER_FIELD_NUMBER = 1;
    private org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ClientOperationHeaderProto header_;
    public boolean hasHeader() {
      return ((bitField0_ & 0x00000001) == 0x00000001);
    }
    public org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ClientOperationHeaderProto getHeader() {
      return header_;
    }
    public org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ClientOperationHeaderProtoOrBuilder getHeaderOrBuilder() {
      return header_;
    }
    
    // repeated .DatanodeInfoProto targets = 2;
    public static final int TARGETS_FIELD_NUMBER = 2;
    private java.util.List targets_;
    public java.util.List getTargetsList() {
      return targets_;
    }
    public java.util.List 
        getTargetsOrBuilderList() {
      return targets_;
    }
    public int getTargetsCount() {
      return targets_.size();
    }
    public org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProto getTargets(int index) {
      return targets_.get(index);
    }
    public org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProtoOrBuilder getTargetsOrBuilder(
        int index) {
      return targets_.get(index);
    }
    
    private void initFields() {
      header_ = org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ClientOperationHeaderProto.getDefaultInstance();
      targets_ = java.util.Collections.emptyList();
    }
    private byte memoizedIsInitialized = -1;
    public final boolean isInitialized() {
      byte isInitialized = memoizedIsInitialized;
      if (isInitialized != -1) return isInitialized == 1;
      
      if (!hasHeader()) {
        memoizedIsInitialized = 0;
        return false;
      }
      if (!getHeader().isInitialized()) {
        memoizedIsInitialized = 0;
        return false;
      }
      for (int i = 0; i < getTargetsCount(); i++) {
        if (!getTargets(i).isInitialized()) {
          memoizedIsInitialized = 0;
          return false;
        }
      }
      memoizedIsInitialized = 1;
      return true;
    }
    
    public void writeTo(com.google.protobuf.CodedOutputStream output)
                        throws java.io.IOException {
      getSerializedSize();
      if (((bitField0_ & 0x00000001) == 0x00000001)) {
        output.writeMessage(1, header_);
      }
      for (int i = 0; i < targets_.size(); i++) {
        output.writeMessage(2, targets_.get(i));
      }
      getUnknownFields().writeTo(output);
    }
    
    private int memoizedSerializedSize = -1;
    public int getSerializedSize() {
      int size = memoizedSerializedSize;
      if (size != -1) return size;
    
      size = 0;
      if (((bitField0_ & 0x00000001) == 0x00000001)) {
        size += com.google.protobuf.CodedOutputStream
          .computeMessageSize(1, header_);
      }
      for (int i = 0; i < targets_.size(); i++) {
        size += com.google.protobuf.CodedOutputStream
          .computeMessageSize(2, targets_.get(i));
      }
      size += getUnknownFields().getSerializedSize();
      memoizedSerializedSize = size;
      return size;
    }
    
    private static final long serialVersionUID = 0L;
    @java.lang.Override
    protected java.lang.Object writeReplace()
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    public static org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpTransferBlockProto parseFrom(
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    public static org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpTransferBlockProto parseFrom(
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        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
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    public static org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpTransferBlockProto parseFrom(byte[] data)
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      return newBuilder().mergeFrom(data).buildParsed();
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    public static org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpTransferBlockProto parseFrom(
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        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
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      return newBuilder().mergeFrom(data, extensionRegistry)
               .buildParsed();
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    public static org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpTransferBlockProto parseFrom(java.io.InputStream input)
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    public static org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpTransferBlockProto parseFrom(
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        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
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      return newBuilder().mergeFrom(input, extensionRegistry)
               .buildParsed();
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    public static org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpTransferBlockProto parseFrom(
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        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
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    public Builder newBuilderForType() { return newBuilder(); }
    public static Builder newBuilder(org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpTransferBlockProto prototype) {
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    @java.lang.Override
    protected Builder newBuilderForType(
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      Builder builder = new Builder(parent);
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    public static final class Builder extends
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      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
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      private Builder() {
        maybeForceBuilderInitialization();
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      private Builder(BuilderParent parent) {
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      private void maybeForceBuilderInitialization() {
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      public Builder clear() {
        super.clear();
        if (headerBuilder_ == null) {
          header_ = org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ClientOperationHeaderProto.getDefaultInstance();
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          headerBuilder_.clear();
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        bitField0_ = (bitField0_ & ~0x00000001);
        if (targetsBuilder_ == null) {
          targets_ = java.util.Collections.emptyList();
          bitField0_ = (bitField0_ & ~0x00000002);
        } else {
          targetsBuilder_.clear();
        }
        return this;
      }
      
      public Builder clone() {
        return create().mergeFrom(buildPartial());
      }
      
      public com.google.protobuf.Descriptors.Descriptor
          getDescriptorForType() {
        return org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpTransferBlockProto.getDescriptor();
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      public org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpTransferBlockProto getDefaultInstanceForType() {
        return org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpTransferBlockProto.getDefaultInstance();
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        return result;
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      private org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpTransferBlockProto buildParsed()
          throws com.google.protobuf.InvalidProtocolBufferException {
        org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpTransferBlockProto result = buildPartial();
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        org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpTransferBlockProto result = new org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpTransferBlockProto(this);
        int from_bitField0_ = bitField0_;
        int to_bitField0_ = 0;
        if (((from_bitField0_ & 0x00000001) == 0x00000001)) {
          to_bitField0_ |= 0x00000001;
        }
        if (headerBuilder_ == null) {
          result.header_ = header_;
        } else {
          result.header_ = headerBuilder_.build();
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        if (targetsBuilder_ == null) {
          if (((bitField0_ & 0x00000002) == 0x00000002)) {
            targets_ = java.util.Collections.unmodifiableList(targets_);
            bitField0_ = (bitField0_ & ~0x00000002);
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          result.targets_ = targets_;
        } else {
          result.targets_ = targetsBuilder_.build();
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        result.bitField0_ = to_bitField0_;
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        return result;
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      public Builder mergeFrom(com.google.protobuf.Message other) {
        if (other instanceof org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpTransferBlockProto) {
          return mergeFrom((org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpTransferBlockProto)other);
        } else {
          super.mergeFrom(other);
          return this;
        }
      }
      
      public Builder mergeFrom(org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpTransferBlockProto other) {
        if (other == org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpTransferBlockProto.getDefaultInstance()) return this;
        if (other.hasHeader()) {
          mergeHeader(other.getHeader());
        }
        if (targetsBuilder_ == null) {
          if (!other.targets_.isEmpty()) {
            if (targets_.isEmpty()) {
              targets_ = other.targets_;
              bitField0_ = (bitField0_ & ~0x00000002);
            } else {
              ensureTargetsIsMutable();
              targets_.addAll(other.targets_);
            }
            onChanged();
          }
        } else {
          if (!other.targets_.isEmpty()) {
            if (targetsBuilder_.isEmpty()) {
              targetsBuilder_.dispose();
              targetsBuilder_ = null;
              targets_ = other.targets_;
              bitField0_ = (bitField0_ & ~0x00000002);
              targetsBuilder_ = 
                com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders ?
                   getTargetsFieldBuilder() : null;
            } else {
              targetsBuilder_.addAllMessages(other.targets_);
            }
          }
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        this.mergeUnknownFields(other.getUnknownFields());
        return this;
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      public final boolean isInitialized() {
        if (!hasHeader()) {
          
          return false;
        }
        if (!getHeader().isInitialized()) {
          
          return false;
        }
        for (int i = 0; i < getTargetsCount(); i++) {
          if (!getTargets(i).isInitialized()) {
            
            return false;
          }
        }
        return true;
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      public Builder mergeFrom(
          com.google.protobuf.CodedInputStream input,
          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
          throws java.io.IOException {
        com.google.protobuf.UnknownFieldSet.Builder unknownFields =
          com.google.protobuf.UnknownFieldSet.newBuilder(
            this.getUnknownFields());
        while (true) {
          int tag = input.readTag();
          switch (tag) {
            case 0:
              this.setUnknownFields(unknownFields.build());
              onChanged();
              return this;
            default: {
              if (!parseUnknownField(input, unknownFields,
                                     extensionRegistry, tag)) {
                this.setUnknownFields(unknownFields.build());
                onChanged();
                return this;
              }
              break;
            }
            case 10: {
              org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ClientOperationHeaderProto.Builder subBuilder = org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ClientOperationHeaderProto.newBuilder();
              if (hasHeader()) {
                subBuilder.mergeFrom(getHeader());
              }
              input.readMessage(subBuilder, extensionRegistry);
              setHeader(subBuilder.buildPartial());
              break;
            }
            case 18: {
              org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProto.Builder subBuilder = org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProto.newBuilder();
              input.readMessage(subBuilder, extensionRegistry);
              addTargets(subBuilder.buildPartial());
              break;
            }
          }
        }
      }
      
      private int bitField0_;
      
      // required .ClientOperationHeaderProto header = 1;
      private org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ClientOperationHeaderProto header_ = org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ClientOperationHeaderProto.getDefaultInstance();
      private com.google.protobuf.SingleFieldBuilder<
          org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ClientOperationHeaderProto, org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ClientOperationHeaderProto.Builder, org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ClientOperationHeaderProtoOrBuilder> headerBuilder_;
      public boolean hasHeader() {
        return ((bitField0_ & 0x00000001) == 0x00000001);
      }
      public org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ClientOperationHeaderProto getHeader() {
        if (headerBuilder_ == null) {
          return header_;
        } else {
          return headerBuilder_.getMessage();
        }
      }
      public Builder setHeader(org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ClientOperationHeaderProto value) {
        if (headerBuilder_ == null) {
          if (value == null) {
            throw new NullPointerException();
          }
          header_ = value;
          onChanged();
        } else {
          headerBuilder_.setMessage(value);
        }
        bitField0_ |= 0x00000001;
        return this;
      }
      public Builder setHeader(
          org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ClientOperationHeaderProto.Builder builderForValue) {
        if (headerBuilder_ == null) {
          header_ = builderForValue.build();
          onChanged();
        } else {
          headerBuilder_.setMessage(builderForValue.build());
        }
        bitField0_ |= 0x00000001;
        return this;
      }
      public Builder mergeHeader(org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ClientOperationHeaderProto value) {
        if (headerBuilder_ == null) {
          if (((bitField0_ & 0x00000001) == 0x00000001) &&
              header_ != org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ClientOperationHeaderProto.getDefaultInstance()) {
            header_ =
              org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ClientOperationHeaderProto.newBuilder(header_).mergeFrom(value).buildPartial();
          } else {
            header_ = value;
          }
          onChanged();
        } else {
          headerBuilder_.mergeFrom(value);
        }
        bitField0_ |= 0x00000001;
        return this;
      }
      public Builder clearHeader() {
        if (headerBuilder_ == null) {
          header_ = org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ClientOperationHeaderProto.getDefaultInstance();
          onChanged();
        } else {
          headerBuilder_.clear();
        }
        bitField0_ = (bitField0_ & ~0x00000001);
        return this;
      }
      public org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ClientOperationHeaderProto.Builder getHeaderBuilder() {
        bitField0_ |= 0x00000001;
        onChanged();
        return getHeaderFieldBuilder().getBuilder();
      }
      public org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ClientOperationHeaderProtoOrBuilder getHeaderOrBuilder() {
        if (headerBuilder_ != null) {
          return headerBuilder_.getMessageOrBuilder();
        } else {
          return header_;
        }
      }
      private com.google.protobuf.SingleFieldBuilder<
          org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ClientOperationHeaderProto, org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ClientOperationHeaderProto.Builder, org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ClientOperationHeaderProtoOrBuilder> 
          getHeaderFieldBuilder() {
        if (headerBuilder_ == null) {
          headerBuilder_ = new com.google.protobuf.SingleFieldBuilder<
              org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ClientOperationHeaderProto, org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ClientOperationHeaderProto.Builder, org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ClientOperationHeaderProtoOrBuilder>(
                  header_,
                  getParentForChildren(),
                  isClean());
          header_ = null;
        }
        return headerBuilder_;
      }
      
      // repeated .DatanodeInfoProto targets = 2;
      private java.util.List targets_ =
        java.util.Collections.emptyList();
      private void ensureTargetsIsMutable() {
        if (!((bitField0_ & 0x00000002) == 0x00000002)) {
          targets_ = new java.util.ArrayList(targets_);
          bitField0_ |= 0x00000002;
         }
      }
      
      private com.google.protobuf.RepeatedFieldBuilder<
          org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProto, org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProto.Builder, org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProtoOrBuilder> targetsBuilder_;
      
      public java.util.List getTargetsList() {
        if (targetsBuilder_ == null) {
          return java.util.Collections.unmodifiableList(targets_);
        } else {
          return targetsBuilder_.getMessageList();
        }
      }
      public int getTargetsCount() {
        if (targetsBuilder_ == null) {
          return targets_.size();
        } else {
          return targetsBuilder_.getCount();
        }
      }
      public org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProto getTargets(int index) {
        if (targetsBuilder_ == null) {
          return targets_.get(index);
        } else {
          return targetsBuilder_.getMessage(index);
        }
      }
      public Builder setTargets(
          int index, org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProto value) {
        if (targetsBuilder_ == null) {
          if (value == null) {
            throw new NullPointerException();
          }
          ensureTargetsIsMutable();
          targets_.set(index, value);
          onChanged();
        } else {
          targetsBuilder_.setMessage(index, value);
        }
        return this;
      }
      public Builder setTargets(
          int index, org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProto.Builder builderForValue) {
        if (targetsBuilder_ == null) {
          ensureTargetsIsMutable();
          targets_.set(index, builderForValue.build());
          onChanged();
        } else {
          targetsBuilder_.setMessage(index, builderForValue.build());
        }
        return this;
      }
      public Builder addTargets(org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProto value) {
        if (targetsBuilder_ == null) {
          if (value == null) {
            throw new NullPointerException();
          }
          ensureTargetsIsMutable();
          targets_.add(value);
          onChanged();
        } else {
          targetsBuilder_.addMessage(value);
        }
        return this;
      }
      public Builder addTargets(
          int index, org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProto value) {
        if (targetsBuilder_ == null) {
          if (value == null) {
            throw new NullPointerException();
          }
          ensureTargetsIsMutable();
          targets_.add(index, value);
          onChanged();
        } else {
          targetsBuilder_.addMessage(index, value);
        }
        return this;
      }
      public Builder addTargets(
          org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProto.Builder builderForValue) {
        if (targetsBuilder_ == null) {
          ensureTargetsIsMutable();
          targets_.add(builderForValue.build());
          onChanged();
        } else {
          targetsBuilder_.addMessage(builderForValue.build());
        }
        return this;
      }
      public Builder addTargets(
          int index, org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProto.Builder builderForValue) {
        if (targetsBuilder_ == null) {
          ensureTargetsIsMutable();
          targets_.add(index, builderForValue.build());
          onChanged();
        } else {
          targetsBuilder_.addMessage(index, builderForValue.build());
        }
        return this;
      }
      public Builder addAllTargets(
          java.lang.Iterable values) {
        if (targetsBuilder_ == null) {
          ensureTargetsIsMutable();
          super.addAll(values, targets_);
          onChanged();
        } else {
          targetsBuilder_.addAllMessages(values);
        }
        return this;
      }
      public Builder clearTargets() {
        if (targetsBuilder_ == null) {
          targets_ = java.util.Collections.emptyList();
          bitField0_ = (bitField0_ & ~0x00000002);
          onChanged();
        } else {
          targetsBuilder_.clear();
        }
        return this;
      }
      public Builder removeTargets(int index) {
        if (targetsBuilder_ == null) {
          ensureTargetsIsMutable();
          targets_.remove(index);
          onChanged();
        } else {
          targetsBuilder_.remove(index);
        }
        return this;
      }
      public org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProto.Builder getTargetsBuilder(
          int index) {
        return getTargetsFieldBuilder().getBuilder(index);
      }
      public org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProtoOrBuilder getTargetsOrBuilder(
          int index) {
        if (targetsBuilder_ == null) {
          return targets_.get(index);  } else {
          return targetsBuilder_.getMessageOrBuilder(index);
        }
      }
      public java.util.List 
           getTargetsOrBuilderList() {
        if (targetsBuilder_ != null) {
          return targetsBuilder_.getMessageOrBuilderList();
        } else {
          return java.util.Collections.unmodifiableList(targets_);
        }
      }
      public org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProto.Builder addTargetsBuilder() {
        return getTargetsFieldBuilder().addBuilder(
            org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProto.getDefaultInstance());
      }
      public org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProto.Builder addTargetsBuilder(
          int index) {
        return getTargetsFieldBuilder().addBuilder(
            index, org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProto.getDefaultInstance());
      }
      public java.util.List 
           getTargetsBuilderList() {
        return getTargetsFieldBuilder().getBuilderList();
      }
      private com.google.protobuf.RepeatedFieldBuilder<
          org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProto, org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProto.Builder, org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProtoOrBuilder> 
          getTargetsFieldBuilder() {
        if (targetsBuilder_ == null) {
          targetsBuilder_ = new com.google.protobuf.RepeatedFieldBuilder<
              org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProto, org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProto.Builder, org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProtoOrBuilder>(
                  targets_,
                  ((bitField0_ & 0x00000002) == 0x00000002),
                  getParentForChildren(),
                  isClean());
          targets_ = null;
        }
        return targetsBuilder_;
      }
      
      // @@protoc_insertion_point(builder_scope:OpTransferBlockProto)
    }
    
    static {
      defaultInstance = new OpTransferBlockProto(true);
      defaultInstance.initFields();
    }
    
    // @@protoc_insertion_point(class_scope:OpTransferBlockProto)
  }
  
  public interface OpReplaceBlockProtoOrBuilder
      extends com.google.protobuf.MessageOrBuilder {
    
    // required .BaseHeaderProto header = 1;
    boolean hasHeader();
    org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.BaseHeaderProto getHeader();
    org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.BaseHeaderProtoOrBuilder getHeaderOrBuilder();
    
    // required string delHint = 2;
    boolean hasDelHint();
    String getDelHint();
    
    // required .DatanodeInfoProto source = 3;
    boolean hasSource();
    org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProto getSource();
    org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.DatanodeInfoProtoOrBuilder getSourceOrBuilder();
  }
  public static final class OpReplaceBlockProto extends
      com.google.protobuf.GeneratedMessage
      implements OpReplaceBlockProtoOrBuilder {
    // Use OpReplaceBlockProto.newBuilder() to construct.
    private OpReplaceBlockProto(Builder builder) {
      super(builder);
    }
    private OpReplaceBlockProto(boolean noInit) {}
    
    private static final OpReplaceBlockProto defaultInstance;
    public static OpReplaceBlockProto getDefaultInstance() {
      return defaultInstance;
    }
    
    public OpReplaceBlockProto getDefaultInstanceForType() {
      return defaultInstance;
    }
    
    public static final com.google.protobuf.Descriptors.Descriptor
        getDescriptor() {
      return org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.internal_static_OpReplaceBlockProto_descriptor;
    }
    
    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
        internalGetFieldAccessorTable() {
      return org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.internal_static_OpReplaceBlockProto_fieldAccessorTable;
    }
    
    private int bitField0_;
    // required .BaseHeaderProto header = 1;
    public static final int HEADER_FIELD_NUMBER = 1;
    private org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.BaseHeaderProto header_;
    public boolean hasHeader() {
      return ((bitField0_ & 0x00000001) == 0x00000001);
    }
    public org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.BaseHeaderProto getHeader() {
      return header_;
    }
    public org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.BaseHeaderProtoOrBuilder getHeaderOrBuilder() {
      return header_;
    }
    
    // required string delHint = 2;
    public static final int DELHINT_FIELD_NUMBER = 2;
    private java.lang.Object delHint_;
    public boolean hasDelHint() {
      return ((bitField0_ & 0x00000002) == 0x00000002);
    }
    public String getDelHint() {
      java.lang.Object ref = delHint_;
      if (ref instanceof String) {
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        maybeForceBuilderInitialization();
      }
      
      private Builder(BuilderParent parent) {
        super(parent);
        maybeForceBuilderInitialization();
      }
      private void maybeForceBuilderInitialization() {
        if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
          getHeaderFieldBuilder();
        }
      }
      private static Builder create() {
        return new Builder();
      }
      
      public Builder clear() {
        super.clear();
        if (headerBuilder_ == null) {
          header_ = org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.BaseHeaderProto.getDefaultInstance();
        } else {
          headerBuilder_.clear();
        }
        bitField0_ = (bitField0_ & ~0x00000001);
        return this;
      }
      
      public Builder clone() {
        return create().mergeFrom(buildPartial());
      }
      
      public com.google.protobuf.Descriptors.Descriptor
          getDescriptorForType() {
        return org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpBlockChecksumProto.getDescriptor();
      }
      
      public org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpBlockChecksumProto getDefaultInstanceForType() {
        return org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpBlockChecksumProto.getDefaultInstance();
      }
      
      public org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpBlockChecksumProto build() {
        org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpBlockChecksumProto result = buildPartial();
        if (!result.isInitialized()) {
          throw newUninitializedMessageException(result);
        }
        return result;
      }
      
      private org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpBlockChecksumProto buildParsed()
          throws com.google.protobuf.InvalidProtocolBufferException {
        org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpBlockChecksumProto result = buildPartial();
        if (!result.isInitialized()) {
          throw newUninitializedMessageException(
            result).asInvalidProtocolBufferException();
        }
        return result;
      }
      
      public org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpBlockChecksumProto buildPartial() {
        org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpBlockChecksumProto result = new org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpBlockChecksumProto(this);
        int from_bitField0_ = bitField0_;
        int to_bitField0_ = 0;
        if (((from_bitField0_ & 0x00000001) == 0x00000001)) {
          to_bitField0_ |= 0x00000001;
        }
        if (headerBuilder_ == null) {
          result.header_ = header_;
        } else {
          result.header_ = headerBuilder_.build();
        }
        result.bitField0_ = to_bitField0_;
        onBuilt();
        return result;
      }
      
      public Builder mergeFrom(com.google.protobuf.Message other) {
        if (other instanceof org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpBlockChecksumProto) {
          return mergeFrom((org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpBlockChecksumProto)other);
        } else {
          super.mergeFrom(other);
          return this;
        }
      }
      
      public Builder mergeFrom(org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpBlockChecksumProto other) {
        if (other == org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpBlockChecksumProto.getDefaultInstance()) return this;
        if (other.hasHeader()) {
          mergeHeader(other.getHeader());
        }
        this.mergeUnknownFields(other.getUnknownFields());
        return this;
      }
      
      public final boolean isInitialized() {
        if (!hasHeader()) {
          
          return false;
        }
        if (!getHeader().isInitialized()) {
          
          return false;
        }
        return true;
      }
      
      public Builder mergeFrom(
          com.google.protobuf.CodedInputStream input,
          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
          throws java.io.IOException {
        com.google.protobuf.UnknownFieldSet.Builder unknownFields =
          com.google.protobuf.UnknownFieldSet.newBuilder(
            this.getUnknownFields());
        while (true) {
          int tag = input.readTag();
          switch (tag) {
            case 0:
              this.setUnknownFields(unknownFields.build());
              onChanged();
              return this;
            default: {
              if (!parseUnknownField(input, unknownFields,
                                     extensionRegistry, tag)) {
                this.setUnknownFields(unknownFields.build());
                onChanged();
                return this;
              }
              break;
            }
            case 10: {
              org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.BaseHeaderProto.Builder subBuilder = org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.BaseHeaderProto.newBuilder();
              if (hasHeader()) {
                subBuilder.mergeFrom(getHeader());
              }
              input.readMessage(subBuilder, extensionRegistry);
              setHeader(subBuilder.buildPartial());
              break;
            }
          }
        }
      }
      
      private int bitField0_;
      
      // required .BaseHeaderProto header = 1;
      private org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.BaseHeaderProto header_ = org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.BaseHeaderProto.getDefaultInstance();
      private com.google.protobuf.SingleFieldBuilder<
          org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.BaseHeaderProto, org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.BaseHeaderProto.Builder, org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.BaseHeaderProtoOrBuilder> headerBuilder_;
      public boolean hasHeader() {
        return ((bitField0_ & 0x00000001) == 0x00000001);
      }
      public org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.BaseHeaderProto getHeader() {
        if (headerBuilder_ == null) {
          return header_;
        } else {
          return headerBuilder_.getMessage();
        }
      }
      public Builder setHeader(org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.BaseHeaderProto value) {
        if (headerBuilder_ == null) {
          if (value == null) {
            throw new NullPointerException();
          }
          header_ = value;
          onChanged();
        } else {
          headerBuilder_.setMessage(value);
        }
        bitField0_ |= 0x00000001;
        return this;
      }
      public Builder setHeader(
          org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.BaseHeaderProto.Builder builderForValue) {
        if (headerBuilder_ == null) {
          header_ = builderForValue.build();
          onChanged();
        } else {
          headerBuilder_.setMessage(builderForValue.build());
        }
        bitField0_ |= 0x00000001;
        return this;
      }
      public Builder mergeHeader(org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.BaseHeaderProto value) {
        if (headerBuilder_ == null) {
          if (((bitField0_ & 0x00000001) == 0x00000001) &&
              header_ != org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.BaseHeaderProto.getDefaultInstance()) {
            header_ =
              org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.BaseHeaderProto.newBuilder(header_).mergeFrom(value).buildPartial();
          } else {
            header_ = value;
          }
          onChanged();
        } else {
          headerBuilder_.mergeFrom(value);
        }
        bitField0_ |= 0x00000001;
        return this;
      }
      public Builder clearHeader() {
        if (headerBuilder_ == null) {
          header_ = org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.BaseHeaderProto.getDefaultInstance();
          onChanged();
        } else {
          headerBuilder_.clear();
        }
        bitField0_ = (bitField0_ & ~0x00000001);
        return this;
      }
      public org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.BaseHeaderProto.Builder getHeaderBuilder() {
        bitField0_ |= 0x00000001;
        onChanged();
        return getHeaderFieldBuilder().getBuilder();
      }
      public org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.BaseHeaderProtoOrBuilder getHeaderOrBuilder() {
        if (headerBuilder_ != null) {
          return headerBuilder_.getMessageOrBuilder();
        } else {
          return header_;
        }
      }
      private com.google.protobuf.SingleFieldBuilder<
          org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.BaseHeaderProto, org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.BaseHeaderProto.Builder, org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.BaseHeaderProtoOrBuilder> 
          getHeaderFieldBuilder() {
        if (headerBuilder_ == null) {
          headerBuilder_ = new com.google.protobuf.SingleFieldBuilder<
              org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.BaseHeaderProto, org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.BaseHeaderProto.Builder, org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.BaseHeaderProtoOrBuilder>(
                  header_,
                  getParentForChildren(),
                  isClean());
          header_ = null;
        }
        return headerBuilder_;
      }
      
      // @@protoc_insertion_point(builder_scope:OpBlockChecksumProto)
    }
    
    static {
      defaultInstance = new OpBlockChecksumProto(true);
      defaultInstance.initFields();
    }
    
    // @@protoc_insertion_point(class_scope:OpBlockChecksumProto)
  }
  
  public interface PacketHeaderProtoOrBuilder
      extends com.google.protobuf.MessageOrBuilder {
    
    // required sfixed64 offsetInBlock = 1;
    boolean hasOffsetInBlock();
    long getOffsetInBlock();
    
    // required sfixed64 seqno = 2;
    boolean hasSeqno();
    long getSeqno();
    
    // required bool lastPacketInBlock = 3;
    boolean hasLastPacketInBlock();
    boolean getLastPacketInBlock();
    
    // required sfixed32 dataLen = 4;
    boolean hasDataLen();
    int getDataLen();
  }
  public static final class PacketHeaderProto extends
      com.google.protobuf.GeneratedMessage
      implements PacketHeaderProtoOrBuilder {
    // Use PacketHeaderProto.newBuilder() to construct.
    private PacketHeaderProto(Builder builder) {
      super(builder);
    }
    private PacketHeaderProto(boolean noInit) {}
    
    private static final PacketHeaderProto defaultInstance;
    public static PacketHeaderProto getDefaultInstance() {
      return defaultInstance;
    }
    
    public PacketHeaderProto getDefaultInstanceForType() {
      return defaultInstance;
    }
    
    public static final com.google.protobuf.Descriptors.Descriptor
        getDescriptor() {
      return org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.internal_static_PacketHeaderProto_descriptor;
    }
    
    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
        internalGetFieldAccessorTable() {
      return org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.internal_static_PacketHeaderProto_fieldAccessorTable;
    }
    
    private int bitField0_;
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    public static final int OFFSETINBLOCK_FIELD_NUMBER = 1;
    private long offsetInBlock_;
    public boolean hasOffsetInBlock() {
      return ((bitField0_ & 0x00000001) == 0x00000001);
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    public long getOffsetInBlock() {
      return offsetInBlock_;
    }
    
    // required sfixed64 seqno = 2;
    public static final int SEQNO_FIELD_NUMBER = 2;
    private long seqno_;
    public boolean hasSeqno() {
      return ((bitField0_ & 0x00000002) == 0x00000002);
    }
    public long getSeqno() {
      return seqno_;
    }
    
    // required bool lastPacketInBlock = 3;
    public static final int LASTPACKETINBLOCK_FIELD_NUMBER = 3;
    private boolean lastPacketInBlock_;
    public boolean hasLastPacketInBlock() {
      return ((bitField0_ & 0x00000004) == 0x00000004);
    }
    public boolean getLastPacketInBlock() {
      return lastPacketInBlock_;
    }
    
    // required sfixed32 dataLen = 4;
    public static final int DATALEN_FIELD_NUMBER = 4;
    private int dataLen_;
    public boolean hasDataLen() {
      return ((bitField0_ & 0x00000008) == 0x00000008);
    }
    public int getDataLen() {
      return dataLen_;
    }
    
    private void initFields() {
      offsetInBlock_ = 0L;
      seqno_ = 0L;
      lastPacketInBlock_ = false;
      dataLen_ = 0;
    }
    private byte memoizedIsInitialized = -1;
    public final boolean isInitialized() {
      byte isInitialized = memoizedIsInitialized;
      if (isInitialized != -1) return isInitialized == 1;
      
      if (!hasOffsetInBlock()) {
        memoizedIsInitialized = 0;
        return false;
      }
      if (!hasSeqno()) {
        memoizedIsInitialized = 0;
        return false;
      }
      if (!hasLastPacketInBlock()) {
        memoizedIsInitialized = 0;
        return false;
      }
      if (!hasDataLen()) {
        memoizedIsInitialized = 0;
        return false;
      }
      memoizedIsInitialized = 1;
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    public void writeTo(com.google.protobuf.CodedOutputStream output)
                        throws java.io.IOException {
      getSerializedSize();
      if (((bitField0_ & 0x00000001) == 0x00000001)) {
        output.writeSFixed64(1, offsetInBlock_);
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      if (((bitField0_ & 0x00000002) == 0x00000002)) {
        output.writeSFixed64(2, seqno_);
      }
      if (((bitField0_ & 0x00000004) == 0x00000004)) {
        output.writeBool(3, lastPacketInBlock_);
      }
      if (((bitField0_ & 0x00000008) == 0x00000008)) {
        output.writeSFixed32(4, dataLen_);
      }
      getUnknownFields().writeTo(output);
    }
    
    private int memoizedSerializedSize = -1;
    public int getSerializedSize() {
      int size = memoizedSerializedSize;
      if (size != -1) return size;
    
      size = 0;
      if (((bitField0_ & 0x00000001) == 0x00000001)) {
        size += com.google.protobuf.CodedOutputStream
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      if (((bitField0_ & 0x00000002) == 0x00000002)) {
        size += com.google.protobuf.CodedOutputStream
          .computeSFixed64Size(2, seqno_);
      }
      if (((bitField0_ & 0x00000004) == 0x00000004)) {
        size += com.google.protobuf.CodedOutputStream
          .computeBoolSize(3, lastPacketInBlock_);
      }
      if (((bitField0_ & 0x00000008) == 0x00000008)) {
        size += com.google.protobuf.CodedOutputStream
          .computeSFixed32Size(4, dataLen_);
      }
      size += getUnknownFields().getSerializedSize();
      memoizedSerializedSize = size;
      return size;
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    private static final long serialVersionUID = 0L;
    @java.lang.Override
    protected java.lang.Object writeReplace()
        throws java.io.ObjectStreamException {
      return super.writeReplace();
    }
    
    @java.lang.Override
    public boolean equals(final java.lang.Object obj) {
      if (obj == this) {
       return true;
      }
      if (!(obj instanceof org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.PacketHeaderProto)) {
        return super.equals(obj);
      }
      org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.PacketHeaderProto other = (org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.PacketHeaderProto) obj;
      
      boolean result = true;
      result = result && (hasOffsetInBlock() == other.hasOffsetInBlock());
      if (hasOffsetInBlock()) {
        result = result && (getOffsetInBlock()
            == other.getOffsetInBlock());
      }
      result = result && (hasSeqno() == other.hasSeqno());
      if (hasSeqno()) {
        result = result && (getSeqno()
            == other.getSeqno());
      }
      result = result && (hasLastPacketInBlock() == other.hasLastPacketInBlock());
      if (hasLastPacketInBlock()) {
        result = result && (getLastPacketInBlock()
            == other.getLastPacketInBlock());
      }
      result = result && (hasDataLen() == other.hasDataLen());
      if (hasDataLen()) {
        result = result && (getDataLen()
            == other.getDataLen());
      }
      result = result &&
          getUnknownFields().equals(other.getUnknownFields());
      return result;
    }
    
    @java.lang.Override
    public int hashCode() {
      int hash = 41;
      hash = (19 * hash) + getDescriptorForType().hashCode();
      if (hasOffsetInBlock()) {
        hash = (37 * hash) + OFFSETINBLOCK_FIELD_NUMBER;
        hash = (53 * hash) + hashLong(getOffsetInBlock());
      }
      if (hasSeqno()) {
        hash = (37 * hash) + SEQNO_FIELD_NUMBER;
        hash = (53 * hash) + hashLong(getSeqno());
      }
      if (hasLastPacketInBlock()) {
        hash = (37 * hash) + LASTPACKETINBLOCK_FIELD_NUMBER;
        hash = (53 * hash) + hashBoolean(getLastPacketInBlock());
      }
      if (hasDataLen()) {
        hash = (37 * hash) + DATALEN_FIELD_NUMBER;
        hash = (53 * hash) + getDataLen();
      }
      hash = (29 * hash) + getUnknownFields().hashCode();
      return hash;
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    public static org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.PacketHeaderProto parseFrom(
        com.google.protobuf.ByteString data)
        throws com.google.protobuf.InvalidProtocolBufferException {
      return newBuilder().mergeFrom(data).buildParsed();
    }
    public static org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.PacketHeaderProto parseFrom(
        com.google.protobuf.ByteString data,
        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws com.google.protobuf.InvalidProtocolBufferException {
      return newBuilder().mergeFrom(data, extensionRegistry)
               .buildParsed();
    }
    public static org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.PacketHeaderProto parseFrom(byte[] data)
        throws com.google.protobuf.InvalidProtocolBufferException {
      return newBuilder().mergeFrom(data).buildParsed();
    }
    public static org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.PacketHeaderProto parseFrom(
        byte[] data,
        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws com.google.protobuf.InvalidProtocolBufferException {
      return newBuilder().mergeFrom(data, extensionRegistry)
               .buildParsed();
    }
    public static org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.PacketHeaderProto parseFrom(java.io.InputStream input)
        throws java.io.IOException {
      return newBuilder().mergeFrom(input).buildParsed();
    }
    public static org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.PacketHeaderProto parseFrom(
        java.io.InputStream input,
        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws java.io.IOException {
      return newBuilder().mergeFrom(input, extensionRegistry)
               .buildParsed();
    }
    public static org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.PacketHeaderProto parseDelimitedFrom(java.io.InputStream input)
        throws java.io.IOException {
      Builder builder = newBuilder();
      if (builder.mergeDelimitedFrom(input)) {
        return builder.buildParsed();
      } else {
        return null;
      }
    }
    public static org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.PacketHeaderProto parseDelimitedFrom(
        java.io.InputStream input,
        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws java.io.IOException {
      Builder builder = newBuilder();
      if (builder.mergeDelimitedFrom(input, extensionRegistry)) {
        return builder.buildParsed();
      } else {
        return null;
      }
    }
    public static org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.PacketHeaderProto parseFrom(
        com.google.protobuf.CodedInputStream input)
        throws java.io.IOException {
      return newBuilder().mergeFrom(input).buildParsed();
    }
    public static org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.PacketHeaderProto parseFrom(
        com.google.protobuf.CodedInputStream input,
        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws java.io.IOException {
      return newBuilder().mergeFrom(input, extensionRegistry)
               .buildParsed();
    }
    
    public static Builder newBuilder() { return Builder.create(); }
    public Builder newBuilderForType() { return newBuilder(); }
    public static Builder newBuilder(org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.PacketHeaderProto prototype) {
      return newBuilder().mergeFrom(prototype);
    }
    public Builder toBuilder() { return newBuilder(this); }
    
    @java.lang.Override
    protected Builder newBuilderForType(
        com.google.protobuf.GeneratedMessage.BuilderParent parent) {
      Builder builder = new Builder(parent);
      return builder;
    }
    public static final class Builder extends
        com.google.protobuf.GeneratedMessage.Builder
       implements org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.PacketHeaderProtoOrBuilder {
      public static final com.google.protobuf.Descriptors.Descriptor
          getDescriptor() {
        return org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.internal_static_PacketHeaderProto_descriptor;
      }
      
      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
          internalGetFieldAccessorTable() {
        return org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.internal_static_PacketHeaderProto_fieldAccessorTable;
      }
      
      // Construct using org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.PacketHeaderProto.newBuilder()
      private Builder() {
        maybeForceBuilderInitialization();
      }
      
      private Builder(BuilderParent parent) {
        super(parent);
        maybeForceBuilderInitialization();
      }
      private void maybeForceBuilderInitialization() {
        if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
        }
      }
      private static Builder create() {
        return new Builder();
      }
      
      public Builder clear() {
        super.clear();
        offsetInBlock_ = 0L;
        bitField0_ = (bitField0_ & ~0x00000001);
        seqno_ = 0L;
        bitField0_ = (bitField0_ & ~0x00000002);
        lastPacketInBlock_ = false;
        bitField0_ = (bitField0_ & ~0x00000004);
        dataLen_ = 0;
        bitField0_ = (bitField0_ & ~0x00000008);
        return this;
      }
      
      public Builder clone() {
        return create().mergeFrom(buildPartial());
      }
      
      public com.google.protobuf.Descriptors.Descriptor
          getDescriptorForType() {
        return org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.PacketHeaderProto.getDescriptor();
      }
      
      public org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.PacketHeaderProto getDefaultInstanceForType() {
        return org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.PacketHeaderProto.getDefaultInstance();
      }
      
      public org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.PacketHeaderProto build() {
        org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.PacketHeaderProto result = buildPartial();
        if (!result.isInitialized()) {
          throw newUninitializedMessageException(result);
        }
        return result;
      }
      
      private org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.PacketHeaderProto buildParsed()
          throws com.google.protobuf.InvalidProtocolBufferException {
        org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.PacketHeaderProto result = buildPartial();
        if (!result.isInitialized()) {
          throw newUninitializedMessageException(
            result).asInvalidProtocolBufferException();
        }
        return result;
      }
      
      public org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.PacketHeaderProto buildPartial() {
        org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.PacketHeaderProto result = new org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.PacketHeaderProto(this);
        int from_bitField0_ = bitField0_;
        int to_bitField0_ = 0;
        if (((from_bitField0_ & 0x00000001) == 0x00000001)) {
          to_bitField0_ |= 0x00000001;
        }
        result.offsetInBlock_ = offsetInBlock_;
        if (((from_bitField0_ & 0x00000002) == 0x00000002)) {
          to_bitField0_ |= 0x00000002;
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        result.seqno_ = seqno_;
        if (((from_bitField0_ & 0x00000004) == 0x00000004)) {
          to_bitField0_ |= 0x00000004;
        }
        result.lastPacketInBlock_ = lastPacketInBlock_;
        if (((from_bitField0_ & 0x00000008) == 0x00000008)) {
          to_bitField0_ |= 0x00000008;
        }
        result.dataLen_ = dataLen_;
        result.bitField0_ = to_bitField0_;
        onBuilt();
        return result;
      }
      
      public Builder mergeFrom(com.google.protobuf.Message other) {
        if (other instanceof org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.PacketHeaderProto) {
          return mergeFrom((org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.PacketHeaderProto)other);
        } else {
          super.mergeFrom(other);
          return this;
        }
      }
      
      public Builder mergeFrom(org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.PacketHeaderProto other) {
        if (other == org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.PacketHeaderProto.getDefaultInstance()) return this;
        if (other.hasOffsetInBlock()) {
          setOffsetInBlock(other.getOffsetInBlock());
        }
        if (other.hasSeqno()) {
          setSeqno(other.getSeqno());
        }
        if (other.hasLastPacketInBlock()) {
          setLastPacketInBlock(other.getLastPacketInBlock());
        }
        if (other.hasDataLen()) {
          setDataLen(other.getDataLen());
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        this.mergeUnknownFields(other.getUnknownFields());
        return this;
      }
      
      public final boolean isInitialized() {
        if (!hasOffsetInBlock()) {
          
          return false;
        }
        if (!hasSeqno()) {
          
          return false;
        }
        if (!hasLastPacketInBlock()) {
          
          return false;
        }
        if (!hasDataLen()) {
          
          return false;
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        return true;
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      public Builder mergeFrom(
          com.google.protobuf.CodedInputStream input,
          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
          throws java.io.IOException {
        com.google.protobuf.UnknownFieldSet.Builder unknownFields =
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        while (true) {
          int tag = input.readTag();
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              this.setUnknownFields(unknownFields.build());
              onChanged();
              return this;
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            case 37: {
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      public Builder setOffsetInBlock(long value) {
        bitField0_ |= 0x00000001;
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      public Builder clearOffsetInBlock() {
        bitField0_ = (bitField0_ & ~0x00000001);
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      }
      public Builder clearSeqno() {
        bitField0_ = (bitField0_ & ~0x00000002);
        seqno_ = 0L;
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      // required bool lastPacketInBlock = 3;
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      public Builder clearLastPacketInBlock() {
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      public Builder clearDataLen() {
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        dataLen_ = 0;
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    // repeated .Status status = 2;
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        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws com.google.protobuf.InvalidProtocolBufferException {
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               .buildParsed();
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    }
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        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws com.google.protobuf.InvalidProtocolBufferException {
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        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws java.io.IOException {
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        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws java.io.IOException {
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      } else {
        return null;
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        throws java.io.IOException {
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        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
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    protected Builder newBuilderForType(
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        bitField0_ = (bitField0_ & ~0x00000001);
        status_ = java.util.Collections.emptyList();
        bitField0_ = (bitField0_ & ~0x00000002);
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      public Builder clone() {
        return create().mergeFrom(buildPartial());
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        return result;
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                  addStatus(value);
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              input.popLimit(oldLimit);
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    private static final ReadOpChecksumInfoProto defaultInstance;
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        return super.equals(obj);
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      org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ReadOpChecksumInfoProto other = (org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ReadOpChecksumInfoProto) obj;
      
      boolean result = true;
      result = result && (hasChecksum() == other.hasChecksum());
      if (hasChecksum()) {
        result = result && getChecksum()
            .equals(other.getChecksum());
      }
      result = result && (hasChunkOffset() == other.hasChunkOffset());
      if (hasChunkOffset()) {
        result = result && (getChunkOffset()
            == other.getChunkOffset());
      }
      result = result &&
          getUnknownFields().equals(other.getUnknownFields());
      return result;
    }
    
    @java.lang.Override
    public int hashCode() {
      int hash = 41;
      hash = (19 * hash) + getDescriptorForType().hashCode();
      if (hasChecksum()) {
        hash = (37 * hash) + CHECKSUM_FIELD_NUMBER;
        hash = (53 * hash) + getChecksum().hashCode();
      }
      if (hasChunkOffset()) {
        hash = (37 * hash) + CHUNKOFFSET_FIELD_NUMBER;
        hash = (53 * hash) + hashLong(getChunkOffset());
      }
      hash = (29 * hash) + getUnknownFields().hashCode();
      return hash;
    }
    
    public static org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ReadOpChecksumInfoProto parseFrom(
        com.google.protobuf.ByteString data)
        throws com.google.protobuf.InvalidProtocolBufferException {
      return newBuilder().mergeFrom(data).buildParsed();
    }
    public static org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ReadOpChecksumInfoProto parseFrom(
        com.google.protobuf.ByteString data,
        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws com.google.protobuf.InvalidProtocolBufferException {
      return newBuilder().mergeFrom(data, extensionRegistry)
               .buildParsed();
    }
    public static org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ReadOpChecksumInfoProto parseFrom(byte[] data)
        throws com.google.protobuf.InvalidProtocolBufferException {
      return newBuilder().mergeFrom(data).buildParsed();
    }
    public static org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ReadOpChecksumInfoProto parseFrom(
        byte[] data,
        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws com.google.protobuf.InvalidProtocolBufferException {
      return newBuilder().mergeFrom(data, extensionRegistry)
               .buildParsed();
    }
    public static org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ReadOpChecksumInfoProto parseFrom(java.io.InputStream input)
        throws java.io.IOException {
      return newBuilder().mergeFrom(input).buildParsed();
    }
    public static org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ReadOpChecksumInfoProto parseFrom(
        java.io.InputStream input,
        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws java.io.IOException {
      return newBuilder().mergeFrom(input, extensionRegistry)
               .buildParsed();
    }
    public static org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ReadOpChecksumInfoProto parseDelimitedFrom(java.io.InputStream input)
        throws java.io.IOException {
      Builder builder = newBuilder();
      if (builder.mergeDelimitedFrom(input)) {
        return builder.buildParsed();
      } else {
        return null;
      }
    }
    public static org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ReadOpChecksumInfoProto parseDelimitedFrom(
        java.io.InputStream input,
        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws java.io.IOException {
      Builder builder = newBuilder();
      if (builder.mergeDelimitedFrom(input, extensionRegistry)) {
        return builder.buildParsed();
      } else {
        return null;
      }
    }
    public static org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ReadOpChecksumInfoProto parseFrom(
        com.google.protobuf.CodedInputStream input)
        throws java.io.IOException {
      return newBuilder().mergeFrom(input).buildParsed();
    }
    public static org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ReadOpChecksumInfoProto parseFrom(
        com.google.protobuf.CodedInputStream input,
        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws java.io.IOException {
      return newBuilder().mergeFrom(input, extensionRegistry)
               .buildParsed();
    }
    
    public static Builder newBuilder() { return Builder.create(); }
    public Builder newBuilderForType() { return newBuilder(); }
    public static Builder newBuilder(org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ReadOpChecksumInfoProto prototype) {
      return newBuilder().mergeFrom(prototype);
    }
    public Builder toBuilder() { return newBuilder(this); }
    
    @java.lang.Override
    protected Builder newBuilderForType(
        com.google.protobuf.GeneratedMessage.BuilderParent parent) {
      Builder builder = new Builder(parent);
      return builder;
    }
    public static final class Builder extends
        com.google.protobuf.GeneratedMessage.Builder
       implements org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ReadOpChecksumInfoProtoOrBuilder {
      public static final com.google.protobuf.Descriptors.Descriptor
          getDescriptor() {
        return org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.internal_static_ReadOpChecksumInfoProto_descriptor;
      }
      
      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
          internalGetFieldAccessorTable() {
        return org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.internal_static_ReadOpChecksumInfoProto_fieldAccessorTable;
      }
      
      // Construct using org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ReadOpChecksumInfoProto.newBuilder()
      private Builder() {
        maybeForceBuilderInitialization();
      }
      
      private Builder(BuilderParent parent) {
        super(parent);
        maybeForceBuilderInitialization();
      }
      private void maybeForceBuilderInitialization() {
        if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
          getChecksumFieldBuilder();
        }
      }
      private static Builder create() {
        return new Builder();
      }
      
      public Builder clear() {
        super.clear();
        if (checksumBuilder_ == null) {
          checksum_ = org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProto.getDefaultInstance();
        } else {
          checksumBuilder_.clear();
        }
        bitField0_ = (bitField0_ & ~0x00000001);
        chunkOffset_ = 0L;
        bitField0_ = (bitField0_ & ~0x00000002);
        return this;
      }
      
      public Builder clone() {
        return create().mergeFrom(buildPartial());
      }
      
      public com.google.protobuf.Descriptors.Descriptor
          getDescriptorForType() {
        return org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ReadOpChecksumInfoProto.getDescriptor();
      }
      
      public org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ReadOpChecksumInfoProto getDefaultInstanceForType() {
        return org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ReadOpChecksumInfoProto.getDefaultInstance();
      }
      
      public org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ReadOpChecksumInfoProto build() {
        org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ReadOpChecksumInfoProto result = buildPartial();
        if (!result.isInitialized()) {
          throw newUninitializedMessageException(result);
        }
        return result;
      }
      
      private org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ReadOpChecksumInfoProto buildParsed()
          throws com.google.protobuf.InvalidProtocolBufferException {
        org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ReadOpChecksumInfoProto result = buildPartial();
        if (!result.isInitialized()) {
          throw newUninitializedMessageException(
            result).asInvalidProtocolBufferException();
        }
        return result;
      }
      
      public org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ReadOpChecksumInfoProto buildPartial() {
        org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ReadOpChecksumInfoProto result = new org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ReadOpChecksumInfoProto(this);
        int from_bitField0_ = bitField0_;
        int to_bitField0_ = 0;
        if (((from_bitField0_ & 0x00000001) == 0x00000001)) {
          to_bitField0_ |= 0x00000001;
        }
        if (checksumBuilder_ == null) {
          result.checksum_ = checksum_;
        } else {
          result.checksum_ = checksumBuilder_.build();
        }
        if (((from_bitField0_ & 0x00000002) == 0x00000002)) {
          to_bitField0_ |= 0x00000002;
        }
        result.chunkOffset_ = chunkOffset_;
        result.bitField0_ = to_bitField0_;
        onBuilt();
        return result;
      }
      
      public Builder mergeFrom(com.google.protobuf.Message other) {
        if (other instanceof org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ReadOpChecksumInfoProto) {
          return mergeFrom((org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ReadOpChecksumInfoProto)other);
        } else {
          super.mergeFrom(other);
          return this;
        }
      }
      
      public Builder mergeFrom(org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ReadOpChecksumInfoProto other) {
        if (other == org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ReadOpChecksumInfoProto.getDefaultInstance()) return this;
        if (other.hasChecksum()) {
          mergeChecksum(other.getChecksum());
        }
        if (other.hasChunkOffset()) {
          setChunkOffset(other.getChunkOffset());
        }
        this.mergeUnknownFields(other.getUnknownFields());
        return this;
      }
      
      public final boolean isInitialized() {
        if (!hasChecksum()) {
          
          return false;
        }
        if (!hasChunkOffset()) {
          
          return false;
        }
        if (!getChecksum().isInitialized()) {
          
          return false;
        }
        return true;
      }
      
      public Builder mergeFrom(
          com.google.protobuf.CodedInputStream input,
          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
          throws java.io.IOException {
        com.google.protobuf.UnknownFieldSet.Builder unknownFields =
          com.google.protobuf.UnknownFieldSet.newBuilder(
            this.getUnknownFields());
        while (true) {
          int tag = input.readTag();
          switch (tag) {
            case 0:
              this.setUnknownFields(unknownFields.build());
              onChanged();
              return this;
            default: {
              if (!parseUnknownField(input, unknownFields,
                                     extensionRegistry, tag)) {
                this.setUnknownFields(unknownFields.build());
                onChanged();
                return this;
              }
              break;
            }
            case 10: {
              org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProto.Builder subBuilder = org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProto.newBuilder();
              if (hasChecksum()) {
                subBuilder.mergeFrom(getChecksum());
              }
              input.readMessage(subBuilder, extensionRegistry);
              setChecksum(subBuilder.buildPartial());
              break;
            }
            case 16: {
              bitField0_ |= 0x00000002;
              chunkOffset_ = input.readUInt64();
              break;
            }
          }
        }
      }
      
      private int bitField0_;
      
      // required .ChecksumProto checksum = 1;
      private org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProto checksum_ = org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProto.getDefaultInstance();
      private com.google.protobuf.SingleFieldBuilder<
          org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProto, org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProto.Builder, org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProtoOrBuilder> checksumBuilder_;
      public boolean hasChecksum() {
        return ((bitField0_ & 0x00000001) == 0x00000001);
      }
      public org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProto getChecksum() {
        if (checksumBuilder_ == null) {
          return checksum_;
        } else {
          return checksumBuilder_.getMessage();
        }
      }
      public Builder setChecksum(org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProto value) {
        if (checksumBuilder_ == null) {
          if (value == null) {
            throw new NullPointerException();
          }
          checksum_ = value;
          onChanged();
        } else {
          checksumBuilder_.setMessage(value);
        }
        bitField0_ |= 0x00000001;
        return this;
      }
      public Builder setChecksum(
          org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProto.Builder builderForValue) {
        if (checksumBuilder_ == null) {
          checksum_ = builderForValue.build();
          onChanged();
        } else {
          checksumBuilder_.setMessage(builderForValue.build());
        }
        bitField0_ |= 0x00000001;
        return this;
      }
      public Builder mergeChecksum(org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProto value) {
        if (checksumBuilder_ == null) {
          if (((bitField0_ & 0x00000001) == 0x00000001) &&
              checksum_ != org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProto.getDefaultInstance()) {
            checksum_ =
              org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProto.newBuilder(checksum_).mergeFrom(value).buildPartial();
          } else {
            checksum_ = value;
          }
          onChanged();
        } else {
          checksumBuilder_.mergeFrom(value);
        }
        bitField0_ |= 0x00000001;
        return this;
      }
      public Builder clearChecksum() {
        if (checksumBuilder_ == null) {
          checksum_ = org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProto.getDefaultInstance();
          onChanged();
        } else {
          checksumBuilder_.clear();
        }
        bitField0_ = (bitField0_ & ~0x00000001);
        return this;
      }
      public org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProto.Builder getChecksumBuilder() {
        bitField0_ |= 0x00000001;
        onChanged();
        return getChecksumFieldBuilder().getBuilder();
      }
      public org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProtoOrBuilder getChecksumOrBuilder() {
        if (checksumBuilder_ != null) {
          return checksumBuilder_.getMessageOrBuilder();
        } else {
          return checksum_;
        }
      }
      private com.google.protobuf.SingleFieldBuilder<
          org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProto, org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProto.Builder, org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProtoOrBuilder> 
          getChecksumFieldBuilder() {
        if (checksumBuilder_ == null) {
          checksumBuilder_ = new com.google.protobuf.SingleFieldBuilder<
              org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProto, org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProto.Builder, org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProtoOrBuilder>(
                  checksum_,
                  getParentForChildren(),
                  isClean());
          checksum_ = null;
        }
        return checksumBuilder_;
      }
      
      // required uint64 chunkOffset = 2;
      private long chunkOffset_ ;
      public boolean hasChunkOffset() {
        return ((bitField0_ & 0x00000002) == 0x00000002);
      }
      public long getChunkOffset() {
        return chunkOffset_;
      }
      public Builder setChunkOffset(long value) {
        bitField0_ |= 0x00000002;
        chunkOffset_ = value;
        onChanged();
        return this;
      }
      public Builder clearChunkOffset() {
        bitField0_ = (bitField0_ & ~0x00000002);
        chunkOffset_ = 0L;
        onChanged();
        return this;
      }
      
      // @@protoc_insertion_point(builder_scope:ReadOpChecksumInfoProto)
    }
    
    static {
      defaultInstance = new ReadOpChecksumInfoProto(true);
      defaultInstance.initFields();
    }
    
    // @@protoc_insertion_point(class_scope:ReadOpChecksumInfoProto)
  }
  
  public interface BlockOpResponseProtoOrBuilder
      extends com.google.protobuf.MessageOrBuilder {
    
    // required .Status status = 1;
    boolean hasStatus();
    org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.Status getStatus();
    
    // optional string firstBadLink = 2;
    boolean hasFirstBadLink();
    String getFirstBadLink();
    
    // optional .OpBlockChecksumResponseProto checksumResponse = 3;
    boolean hasChecksumResponse();
    org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpBlockChecksumResponseProto getChecksumResponse();
    org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpBlockChecksumResponseProtoOrBuilder getChecksumResponseOrBuilder();
    
    // optional .ReadOpChecksumInfoProto readOpChecksumInfo = 4;
    boolean hasReadOpChecksumInfo();
    org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ReadOpChecksumInfoProto getReadOpChecksumInfo();
    org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ReadOpChecksumInfoProtoOrBuilder getReadOpChecksumInfoOrBuilder();
    
    // optional string message = 5;
    boolean hasMessage();
    String getMessage();
  }
  public static final class BlockOpResponseProto extends
      com.google.protobuf.GeneratedMessage
      implements BlockOpResponseProtoOrBuilder {
    // Use BlockOpResponseProto.newBuilder() to construct.
    private BlockOpResponseProto(Builder builder) {
      super(builder);
    }
    private BlockOpResponseProto(boolean noInit) {}
    
    private static final BlockOpResponseProto defaultInstance;
    public static BlockOpResponseProto getDefaultInstance() {
      return defaultInstance;
    }
    
    public BlockOpResponseProto getDefaultInstanceForType() {
      return defaultInstance;
    }
    
    public static final com.google.protobuf.Descriptors.Descriptor
        getDescriptor() {
      return org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.internal_static_BlockOpResponseProto_descriptor;
    }
    
    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
        internalGetFieldAccessorTable() {
      return org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.internal_static_BlockOpResponseProto_fieldAccessorTable;
    }
    
    private int bitField0_;
    // required .Status status = 1;
    public static final int STATUS_FIELD_NUMBER = 1;
    private org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.Status status_;
    public boolean hasStatus() {
      return ((bitField0_ & 0x00000001) == 0x00000001);
    }
    public org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.Status getStatus() {
      return status_;
    }
    
    // optional string firstBadLink = 2;
    public static final int FIRSTBADLINK_FIELD_NUMBER = 2;
    private java.lang.Object firstBadLink_;
    public boolean hasFirstBadLink() {
      return ((bitField0_ & 0x00000002) == 0x00000002);
    }
    public String getFirstBadLink() {
      java.lang.Object ref = firstBadLink_;
      if (ref instanceof String) {
        return (String) ref;
      } else {
        com.google.protobuf.ByteString bs = 
            (com.google.protobuf.ByteString) ref;
        String s = bs.toStringUtf8();
        if (com.google.protobuf.Internal.isValidUtf8(bs)) {
          firstBadLink_ = s;
        }
        return s;
      }
    }
    private com.google.protobuf.ByteString getFirstBadLinkBytes() {
      java.lang.Object ref = firstBadLink_;
      if (ref instanceof String) {
        com.google.protobuf.ByteString b = 
            com.google.protobuf.ByteString.copyFromUtf8((String) ref);
        firstBadLink_ = b;
        return b;
      } else {
        return (com.google.protobuf.ByteString) ref;
      }
    }
    
    // optional .OpBlockChecksumResponseProto checksumResponse = 3;
    public static final int CHECKSUMRESPONSE_FIELD_NUMBER = 3;
    private org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpBlockChecksumResponseProto checksumResponse_;
    public boolean hasChecksumResponse() {
      return ((bitField0_ & 0x00000004) == 0x00000004);
    }
    public org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpBlockChecksumResponseProto getChecksumResponse() {
      return checksumResponse_;
    }
    public org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpBlockChecksumResponseProtoOrBuilder getChecksumResponseOrBuilder() {
      return checksumResponse_;
    }
    
    // optional .ReadOpChecksumInfoProto readOpChecksumInfo = 4;
    public static final int READOPCHECKSUMINFO_FIELD_NUMBER = 4;
    private org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ReadOpChecksumInfoProto readOpChecksumInfo_;
    public boolean hasReadOpChecksumInfo() {
      return ((bitField0_ & 0x00000008) == 0x00000008);
    }
    public org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ReadOpChecksumInfoProto getReadOpChecksumInfo() {
      return readOpChecksumInfo_;
    }
    public org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ReadOpChecksumInfoProtoOrBuilder getReadOpChecksumInfoOrBuilder() {
      return readOpChecksumInfo_;
    }
    
    // optional string message = 5;
    public static final int MESSAGE_FIELD_NUMBER = 5;
    private java.lang.Object message_;
    public boolean hasMessage() {
      return ((bitField0_ & 0x00000010) == 0x00000010);
    }
    public String getMessage() {
      java.lang.Object ref = message_;
      if (ref instanceof String) {
        return (String) ref;
      } else {
        com.google.protobuf.ByteString bs = 
            (com.google.protobuf.ByteString) ref;
        String s = bs.toStringUtf8();
        if (com.google.protobuf.Internal.isValidUtf8(bs)) {
          message_ = s;
        }
        return s;
      }
    }
    private com.google.protobuf.ByteString getMessageBytes() {
      java.lang.Object ref = message_;
      if (ref instanceof String) {
        com.google.protobuf.ByteString b = 
            com.google.protobuf.ByteString.copyFromUtf8((String) ref);
        message_ = b;
        return b;
      } else {
        return (com.google.protobuf.ByteString) ref;
      }
    }
    
    private void initFields() {
      status_ = org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.Status.SUCCESS;
      firstBadLink_ = "";
      checksumResponse_ = org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpBlockChecksumResponseProto.getDefaultInstance();
      readOpChecksumInfo_ = org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ReadOpChecksumInfoProto.getDefaultInstance();
      message_ = "";
    }
    private byte memoizedIsInitialized = -1;
    public final boolean isInitialized() {
      byte isInitialized = memoizedIsInitialized;
      if (isInitialized != -1) return isInitialized == 1;
      
      if (!hasStatus()) {
        memoizedIsInitialized = 0;
        return false;
      }
      if (hasChecksumResponse()) {
        if (!getChecksumResponse().isInitialized()) {
          memoizedIsInitialized = 0;
          return false;
        }
      }
      if (hasReadOpChecksumInfo()) {
        if (!getReadOpChecksumInfo().isInitialized()) {
          memoizedIsInitialized = 0;
          return false;
        }
      }
      memoizedIsInitialized = 1;
      return true;
    }
    
    public void writeTo(com.google.protobuf.CodedOutputStream output)
                        throws java.io.IOException {
      getSerializedSize();
      if (((bitField0_ & 0x00000001) == 0x00000001)) {
        output.writeEnum(1, status_.getNumber());
      }
      if (((bitField0_ & 0x00000002) == 0x00000002)) {
        output.writeBytes(2, getFirstBadLinkBytes());
      }
      if (((bitField0_ & 0x00000004) == 0x00000004)) {
        output.writeMessage(3, checksumResponse_);
      }
      if (((bitField0_ & 0x00000008) == 0x00000008)) {
        output.writeMessage(4, readOpChecksumInfo_);
      }
      if (((bitField0_ & 0x00000010) == 0x00000010)) {
        output.writeBytes(5, getMessageBytes());
      }
      getUnknownFields().writeTo(output);
    }
    
    private int memoizedSerializedSize = -1;
    public int getSerializedSize() {
      int size = memoizedSerializedSize;
      if (size != -1) return size;
    
      size = 0;
      if (((bitField0_ & 0x00000001) == 0x00000001)) {
        size += com.google.protobuf.CodedOutputStream
          .computeEnumSize(1, status_.getNumber());
      }
      if (((bitField0_ & 0x00000002) == 0x00000002)) {
        size += com.google.protobuf.CodedOutputStream
          .computeBytesSize(2, getFirstBadLinkBytes());
      }
      if (((bitField0_ & 0x00000004) == 0x00000004)) {
        size += com.google.protobuf.CodedOutputStream
          .computeMessageSize(3, checksumResponse_);
      }
      if (((bitField0_ & 0x00000008) == 0x00000008)) {
        size += com.google.protobuf.CodedOutputStream
          .computeMessageSize(4, readOpChecksumInfo_);
      }
      if (((bitField0_ & 0x00000010) == 0x00000010)) {
        size += com.google.protobuf.CodedOutputStream
          .computeBytesSize(5, getMessageBytes());
      }
      size += getUnknownFields().getSerializedSize();
      memoizedSerializedSize = size;
      return size;
    }
    
    private static final long serialVersionUID = 0L;
    @java.lang.Override
    protected java.lang.Object writeReplace()
        throws java.io.ObjectStreamException {
      return super.writeReplace();
    }
    
    @java.lang.Override
    public boolean equals(final java.lang.Object obj) {
      if (obj == this) {
       return true;
      }
      if (!(obj instanceof org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.BlockOpResponseProto)) {
        return super.equals(obj);
      }
      org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.BlockOpResponseProto other = (org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.BlockOpResponseProto) obj;
      
      boolean result = true;
      result = result && (hasStatus() == other.hasStatus());
      if (hasStatus()) {
        result = result &&
            (getStatus() == other.getStatus());
      }
      result = result && (hasFirstBadLink() == other.hasFirstBadLink());
      if (hasFirstBadLink()) {
        result = result && getFirstBadLink()
            .equals(other.getFirstBadLink());
      }
      result = result && (hasChecksumResponse() == other.hasChecksumResponse());
      if (hasChecksumResponse()) {
        result = result && getChecksumResponse()
            .equals(other.getChecksumResponse());
      }
      result = result && (hasReadOpChecksumInfo() == other.hasReadOpChecksumInfo());
      if (hasReadOpChecksumInfo()) {
        result = result && getReadOpChecksumInfo()
            .equals(other.getReadOpChecksumInfo());
      }
      result = result && (hasMessage() == other.hasMessage());
      if (hasMessage()) {
        result = result && getMessage()
            .equals(other.getMessage());
      }
      result = result &&
          getUnknownFields().equals(other.getUnknownFields());
      return result;
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    @java.lang.Override
    public int hashCode() {
      int hash = 41;
      hash = (19 * hash) + getDescriptorForType().hashCode();
      if (hasStatus()) {
        hash = (37 * hash) + STATUS_FIELD_NUMBER;
        hash = (53 * hash) + hashEnum(getStatus());
      }
      if (hasFirstBadLink()) {
        hash = (37 * hash) + FIRSTBADLINK_FIELD_NUMBER;
        hash = (53 * hash) + getFirstBadLink().hashCode();
      }
      if (hasChecksumResponse()) {
        hash = (37 * hash) + CHECKSUMRESPONSE_FIELD_NUMBER;
        hash = (53 * hash) + getChecksumResponse().hashCode();
      }
      if (hasReadOpChecksumInfo()) {
        hash = (37 * hash) + READOPCHECKSUMINFO_FIELD_NUMBER;
        hash = (53 * hash) + getReadOpChecksumInfo().hashCode();
      }
      if (hasMessage()) {
        hash = (37 * hash) + MESSAGE_FIELD_NUMBER;
        hash = (53 * hash) + getMessage().hashCode();
      }
      hash = (29 * hash) + getUnknownFields().hashCode();
      return hash;
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    public static org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.BlockOpResponseProto parseFrom(
        com.google.protobuf.ByteString data)
        throws com.google.protobuf.InvalidProtocolBufferException {
      return newBuilder().mergeFrom(data).buildParsed();
    }
    public static org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.BlockOpResponseProto parseFrom(
        com.google.protobuf.ByteString data,
        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws com.google.protobuf.InvalidProtocolBufferException {
      return newBuilder().mergeFrom(data, extensionRegistry)
               .buildParsed();
    }
    public static org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.BlockOpResponseProto parseFrom(byte[] data)
        throws com.google.protobuf.InvalidProtocolBufferException {
      return newBuilder().mergeFrom(data).buildParsed();
    }
    public static org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.BlockOpResponseProto parseFrom(
        byte[] data,
        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws com.google.protobuf.InvalidProtocolBufferException {
      return newBuilder().mergeFrom(data, extensionRegistry)
               .buildParsed();
    }
    public static org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.BlockOpResponseProto parseFrom(java.io.InputStream input)
        throws java.io.IOException {
      return newBuilder().mergeFrom(input).buildParsed();
    }
    public static org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.BlockOpResponseProto parseFrom(
        java.io.InputStream input,
        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws java.io.IOException {
      return newBuilder().mergeFrom(input, extensionRegistry)
               .buildParsed();
    }
    public static org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.BlockOpResponseProto parseDelimitedFrom(java.io.InputStream input)
        throws java.io.IOException {
      Builder builder = newBuilder();
      if (builder.mergeDelimitedFrom(input)) {
        return builder.buildParsed();
      } else {
        return null;
      }
    }
    public static org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.BlockOpResponseProto parseDelimitedFrom(
        java.io.InputStream input,
        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws java.io.IOException {
      Builder builder = newBuilder();
      if (builder.mergeDelimitedFrom(input, extensionRegistry)) {
        return builder.buildParsed();
      } else {
        return null;
      }
    }
    public static org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.BlockOpResponseProto parseFrom(
        com.google.protobuf.CodedInputStream input)
        throws java.io.IOException {
      return newBuilder().mergeFrom(input).buildParsed();
    }
    public static org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.BlockOpResponseProto parseFrom(
        com.google.protobuf.CodedInputStream input,
        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws java.io.IOException {
      return newBuilder().mergeFrom(input, extensionRegistry)
               .buildParsed();
    }
    
    public static Builder newBuilder() { return Builder.create(); }
    public Builder newBuilderForType() { return newBuilder(); }
    public static Builder newBuilder(org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.BlockOpResponseProto prototype) {
      return newBuilder().mergeFrom(prototype);
    }
    public Builder toBuilder() { return newBuilder(this); }
    
    @java.lang.Override
    protected Builder newBuilderForType(
        com.google.protobuf.GeneratedMessage.BuilderParent parent) {
      Builder builder = new Builder(parent);
      return builder;
    }
    public static final class Builder extends
        com.google.protobuf.GeneratedMessage.Builder
       implements org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.BlockOpResponseProtoOrBuilder {
      public static final com.google.protobuf.Descriptors.Descriptor
          getDescriptor() {
        return org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.internal_static_BlockOpResponseProto_descriptor;
      }
      
      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
          internalGetFieldAccessorTable() {
        return org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.internal_static_BlockOpResponseProto_fieldAccessorTable;
      }
      
      // Construct using org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.BlockOpResponseProto.newBuilder()
      private Builder() {
        maybeForceBuilderInitialization();
      }
      
      private Builder(BuilderParent parent) {
        super(parent);
        maybeForceBuilderInitialization();
      }
      private void maybeForceBuilderInitialization() {
        if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
          getChecksumResponseFieldBuilder();
          getReadOpChecksumInfoFieldBuilder();
        }
      }
      private static Builder create() {
        return new Builder();
      }
      
      public Builder clear() {
        super.clear();
        status_ = org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.Status.SUCCESS;
        bitField0_ = (bitField0_ & ~0x00000001);
        firstBadLink_ = "";
        bitField0_ = (bitField0_ & ~0x00000002);
        if (checksumResponseBuilder_ == null) {
          checksumResponse_ = org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpBlockChecksumResponseProto.getDefaultInstance();
        } else {
          checksumResponseBuilder_.clear();
        }
        bitField0_ = (bitField0_ & ~0x00000004);
        if (readOpChecksumInfoBuilder_ == null) {
          readOpChecksumInfo_ = org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ReadOpChecksumInfoProto.getDefaultInstance();
        } else {
          readOpChecksumInfoBuilder_.clear();
        }
        bitField0_ = (bitField0_ & ~0x00000008);
        message_ = "";
        bitField0_ = (bitField0_ & ~0x00000010);
        return this;
      }
      
      public Builder clone() {
        return create().mergeFrom(buildPartial());
      }
      
      public com.google.protobuf.Descriptors.Descriptor
          getDescriptorForType() {
        return org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.BlockOpResponseProto.getDescriptor();
      }
      
      public org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.BlockOpResponseProto getDefaultInstanceForType() {
        return org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.BlockOpResponseProto.getDefaultInstance();
      }
      
      public org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.BlockOpResponseProto build() {
        org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.BlockOpResponseProto result = buildPartial();
        if (!result.isInitialized()) {
          throw newUninitializedMessageException(result);
        }
        return result;
      }
      
      private org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.BlockOpResponseProto buildParsed()
          throws com.google.protobuf.InvalidProtocolBufferException {
        org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.BlockOpResponseProto result = buildPartial();
        if (!result.isInitialized()) {
          throw newUninitializedMessageException(
            result).asInvalidProtocolBufferException();
        }
        return result;
      }
      
      public org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.BlockOpResponseProto buildPartial() {
        org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.BlockOpResponseProto result = new org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.BlockOpResponseProto(this);
        int from_bitField0_ = bitField0_;
        int to_bitField0_ = 0;
        if (((from_bitField0_ & 0x00000001) == 0x00000001)) {
          to_bitField0_ |= 0x00000001;
        }
        result.status_ = status_;
        if (((from_bitField0_ & 0x00000002) == 0x00000002)) {
          to_bitField0_ |= 0x00000002;
        }
        result.firstBadLink_ = firstBadLink_;
        if (((from_bitField0_ & 0x00000004) == 0x00000004)) {
          to_bitField0_ |= 0x00000004;
        }
        if (checksumResponseBuilder_ == null) {
          result.checksumResponse_ = checksumResponse_;
        } else {
          result.checksumResponse_ = checksumResponseBuilder_.build();
        }
        if (((from_bitField0_ & 0x00000008) == 0x00000008)) {
          to_bitField0_ |= 0x00000008;
        }
        if (readOpChecksumInfoBuilder_ == null) {
          result.readOpChecksumInfo_ = readOpChecksumInfo_;
        } else {
          result.readOpChecksumInfo_ = readOpChecksumInfoBuilder_.build();
        }
        if (((from_bitField0_ & 0x00000010) == 0x00000010)) {
          to_bitField0_ |= 0x00000010;
        }
        result.message_ = message_;
        result.bitField0_ = to_bitField0_;
        onBuilt();
        return result;
      }
      
      public Builder mergeFrom(com.google.protobuf.Message other) {
        if (other instanceof org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.BlockOpResponseProto) {
          return mergeFrom((org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.BlockOpResponseProto)other);
        } else {
          super.mergeFrom(other);
          return this;
        }
      }
      
      public Builder mergeFrom(org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.BlockOpResponseProto other) {
        if (other == org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.BlockOpResponseProto.getDefaultInstance()) return this;
        if (other.hasStatus()) {
          setStatus(other.getStatus());
        }
        if (other.hasFirstBadLink()) {
          setFirstBadLink(other.getFirstBadLink());
        }
        if (other.hasChecksumResponse()) {
          mergeChecksumResponse(other.getChecksumResponse());
        }
        if (other.hasReadOpChecksumInfo()) {
          mergeReadOpChecksumInfo(other.getReadOpChecksumInfo());
        }
        if (other.hasMessage()) {
          setMessage(other.getMessage());
        }
        this.mergeUnknownFields(other.getUnknownFields());
        return this;
      }
      
      public final boolean isInitialized() {
        if (!hasStatus()) {
          
          return false;
        }
        if (hasChecksumResponse()) {
          if (!getChecksumResponse().isInitialized()) {
            
            return false;
          }
        }
        if (hasReadOpChecksumInfo()) {
          if (!getReadOpChecksumInfo().isInitialized()) {
            
            return false;
          }
        }
        return true;
      }
      
      public Builder mergeFrom(
          com.google.protobuf.CodedInputStream input,
          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
          throws java.io.IOException {
        com.google.protobuf.UnknownFieldSet.Builder unknownFields =
          com.google.protobuf.UnknownFieldSet.newBuilder(
            this.getUnknownFields());
        while (true) {
          int tag = input.readTag();
          switch (tag) {
            case 0:
              this.setUnknownFields(unknownFields.build());
              onChanged();
              return this;
            default: {
              if (!parseUnknownField(input, unknownFields,
                                     extensionRegistry, tag)) {
                this.setUnknownFields(unknownFields.build());
                onChanged();
                return this;
              }
              break;
            }
            case 8: {
              int rawValue = input.readEnum();
              org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.Status value = org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.Status.valueOf(rawValue);
              if (value == null) {
                unknownFields.mergeVarintField(1, rawValue);
              } else {
                bitField0_ |= 0x00000001;
                status_ = value;
              }
              break;
            }
            case 18: {
              bitField0_ |= 0x00000002;
              firstBadLink_ = input.readBytes();
              break;
            }
            case 26: {
              org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpBlockChecksumResponseProto.Builder subBuilder = org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpBlockChecksumResponseProto.newBuilder();
              if (hasChecksumResponse()) {
                subBuilder.mergeFrom(getChecksumResponse());
              }
              input.readMessage(subBuilder, extensionRegistry);
              setChecksumResponse(subBuilder.buildPartial());
              break;
            }
            case 34: {
              org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ReadOpChecksumInfoProto.Builder subBuilder = org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ReadOpChecksumInfoProto.newBuilder();
              if (hasReadOpChecksumInfo()) {
                subBuilder.mergeFrom(getReadOpChecksumInfo());
              }
              input.readMessage(subBuilder, extensionRegistry);
              setReadOpChecksumInfo(subBuilder.buildPartial());
              break;
            }
            case 42: {
              bitField0_ |= 0x00000010;
              message_ = input.readBytes();
              break;
            }
          }
        }
      }
      
      private int bitField0_;
      
      // required .Status status = 1;
      private org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.Status status_ = org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.Status.SUCCESS;
      public boolean hasStatus() {
        return ((bitField0_ & 0x00000001) == 0x00000001);
      }
      public org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.Status getStatus() {
        return status_;
      }
      public Builder setStatus(org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.Status value) {
        if (value == null) {
          throw new NullPointerException();
        }
        bitField0_ |= 0x00000001;
        status_ = value;
        onChanged();
        return this;
      }
      public Builder clearStatus() {
        bitField0_ = (bitField0_ & ~0x00000001);
        status_ = org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.Status.SUCCESS;
        onChanged();
        return this;
      }
      
      // optional string firstBadLink = 2;
      private java.lang.Object firstBadLink_ = "";
      public boolean hasFirstBadLink() {
        return ((bitField0_ & 0x00000002) == 0x00000002);
      }
      public String getFirstBadLink() {
        java.lang.Object ref = firstBadLink_;
        if (!(ref instanceof String)) {
          String s = ((com.google.protobuf.ByteString) ref).toStringUtf8();
          firstBadLink_ = s;
          return s;
        } else {
          return (String) ref;
        }
      }
      public Builder setFirstBadLink(String value) {
        if (value == null) {
    throw new NullPointerException();
  }
  bitField0_ |= 0x00000002;
        firstBadLink_ = value;
        onChanged();
        return this;
      }
      public Builder clearFirstBadLink() {
        bitField0_ = (bitField0_ & ~0x00000002);
        firstBadLink_ = getDefaultInstance().getFirstBadLink();
        onChanged();
        return this;
      }
      void setFirstBadLink(com.google.protobuf.ByteString value) {
        bitField0_ |= 0x00000002;
        firstBadLink_ = value;
        onChanged();
      }
      
      // optional .OpBlockChecksumResponseProto checksumResponse = 3;
      private org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpBlockChecksumResponseProto checksumResponse_ = org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpBlockChecksumResponseProto.getDefaultInstance();
      private com.google.protobuf.SingleFieldBuilder<
          org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpBlockChecksumResponseProto, org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpBlockChecksumResponseProto.Builder, org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpBlockChecksumResponseProtoOrBuilder> checksumResponseBuilder_;
      public boolean hasChecksumResponse() {
        return ((bitField0_ & 0x00000004) == 0x00000004);
      }
      public org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpBlockChecksumResponseProto getChecksumResponse() {
        if (checksumResponseBuilder_ == null) {
          return checksumResponse_;
        } else {
          return checksumResponseBuilder_.getMessage();
        }
      }
      public Builder setChecksumResponse(org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpBlockChecksumResponseProto value) {
        if (checksumResponseBuilder_ == null) {
          if (value == null) {
            throw new NullPointerException();
          }
          checksumResponse_ = value;
          onChanged();
        } else {
          checksumResponseBuilder_.setMessage(value);
        }
        bitField0_ |= 0x00000004;
        return this;
      }
      public Builder setChecksumResponse(
          org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpBlockChecksumResponseProto.Builder builderForValue) {
        if (checksumResponseBuilder_ == null) {
          checksumResponse_ = builderForValue.build();
          onChanged();
        } else {
          checksumResponseBuilder_.setMessage(builderForValue.build());
        }
        bitField0_ |= 0x00000004;
        return this;
      }
      public Builder mergeChecksumResponse(org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpBlockChecksumResponseProto value) {
        if (checksumResponseBuilder_ == null) {
          if (((bitField0_ & 0x00000004) == 0x00000004) &&
              checksumResponse_ != org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpBlockChecksumResponseProto.getDefaultInstance()) {
            checksumResponse_ =
              org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpBlockChecksumResponseProto.newBuilder(checksumResponse_).mergeFrom(value).buildPartial();
          } else {
            checksumResponse_ = value;
          }
          onChanged();
        } else {
          checksumResponseBuilder_.mergeFrom(value);
        }
        bitField0_ |= 0x00000004;
        return this;
      }
      public Builder clearChecksumResponse() {
        if (checksumResponseBuilder_ == null) {
          checksumResponse_ = org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpBlockChecksumResponseProto.getDefaultInstance();
          onChanged();
        } else {
          checksumResponseBuilder_.clear();
        }
        bitField0_ = (bitField0_ & ~0x00000004);
        return this;
      }
      public org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpBlockChecksumResponseProto.Builder getChecksumResponseBuilder() {
        bitField0_ |= 0x00000004;
        onChanged();
        return getChecksumResponseFieldBuilder().getBuilder();
      }
      public org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpBlockChecksumResponseProtoOrBuilder getChecksumResponseOrBuilder() {
        if (checksumResponseBuilder_ != null) {
          return checksumResponseBuilder_.getMessageOrBuilder();
        } else {
          return checksumResponse_;
        }
      }
      private com.google.protobuf.SingleFieldBuilder<
          org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpBlockChecksumResponseProto, org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpBlockChecksumResponseProto.Builder, org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpBlockChecksumResponseProtoOrBuilder> 
          getChecksumResponseFieldBuilder() {
        if (checksumResponseBuilder_ == null) {
          checksumResponseBuilder_ = new com.google.protobuf.SingleFieldBuilder<
              org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpBlockChecksumResponseProto, org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpBlockChecksumResponseProto.Builder, org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpBlockChecksumResponseProtoOrBuilder>(
                  checksumResponse_,
                  getParentForChildren(),
                  isClean());
          checksumResponse_ = null;
        }
        return checksumResponseBuilder_;
      }
      
      // optional .ReadOpChecksumInfoProto readOpChecksumInfo = 4;
      private org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ReadOpChecksumInfoProto readOpChecksumInfo_ = org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ReadOpChecksumInfoProto.getDefaultInstance();
      private com.google.protobuf.SingleFieldBuilder<
          org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ReadOpChecksumInfoProto, org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ReadOpChecksumInfoProto.Builder, org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ReadOpChecksumInfoProtoOrBuilder> readOpChecksumInfoBuilder_;
      public boolean hasReadOpChecksumInfo() {
        return ((bitField0_ & 0x00000008) == 0x00000008);
      }
      public org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ReadOpChecksumInfoProto getReadOpChecksumInfo() {
        if (readOpChecksumInfoBuilder_ == null) {
          return readOpChecksumInfo_;
        } else {
          return readOpChecksumInfoBuilder_.getMessage();
        }
      }
      public Builder setReadOpChecksumInfo(org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ReadOpChecksumInfoProto value) {
        if (readOpChecksumInfoBuilder_ == null) {
          if (value == null) {
            throw new NullPointerException();
          }
          readOpChecksumInfo_ = value;
          onChanged();
        } else {
          readOpChecksumInfoBuilder_.setMessage(value);
        }
        bitField0_ |= 0x00000008;
        return this;
      }
      public Builder setReadOpChecksumInfo(
          org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ReadOpChecksumInfoProto.Builder builderForValue) {
        if (readOpChecksumInfoBuilder_ == null) {
          readOpChecksumInfo_ = builderForValue.build();
          onChanged();
        } else {
          readOpChecksumInfoBuilder_.setMessage(builderForValue.build());
        }
        bitField0_ |= 0x00000008;
        return this;
      }
      public Builder mergeReadOpChecksumInfo(org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ReadOpChecksumInfoProto value) {
        if (readOpChecksumInfoBuilder_ == null) {
          if (((bitField0_ & 0x00000008) == 0x00000008) &&
              readOpChecksumInfo_ != org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ReadOpChecksumInfoProto.getDefaultInstance()) {
            readOpChecksumInfo_ =
              org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ReadOpChecksumInfoProto.newBuilder(readOpChecksumInfo_).mergeFrom(value).buildPartial();
          } else {
            readOpChecksumInfo_ = value;
          }
          onChanged();
        } else {
          readOpChecksumInfoBuilder_.mergeFrom(value);
        }
        bitField0_ |= 0x00000008;
        return this;
      }
      public Builder clearReadOpChecksumInfo() {
        if (readOpChecksumInfoBuilder_ == null) {
          readOpChecksumInfo_ = org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ReadOpChecksumInfoProto.getDefaultInstance();
          onChanged();
        } else {
          readOpChecksumInfoBuilder_.clear();
        }
        bitField0_ = (bitField0_ & ~0x00000008);
        return this;
      }
      public org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ReadOpChecksumInfoProto.Builder getReadOpChecksumInfoBuilder() {
        bitField0_ |= 0x00000008;
        onChanged();
        return getReadOpChecksumInfoFieldBuilder().getBuilder();
      }
      public org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ReadOpChecksumInfoProtoOrBuilder getReadOpChecksumInfoOrBuilder() {
        if (readOpChecksumInfoBuilder_ != null) {
          return readOpChecksumInfoBuilder_.getMessageOrBuilder();
        } else {
          return readOpChecksumInfo_;
        }
      }
      private com.google.protobuf.SingleFieldBuilder<
          org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ReadOpChecksumInfoProto, org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ReadOpChecksumInfoProto.Builder, org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ReadOpChecksumInfoProtoOrBuilder> 
          getReadOpChecksumInfoFieldBuilder() {
        if (readOpChecksumInfoBuilder_ == null) {
          readOpChecksumInfoBuilder_ = new com.google.protobuf.SingleFieldBuilder<
              org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ReadOpChecksumInfoProto, org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ReadOpChecksumInfoProto.Builder, org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ReadOpChecksumInfoProtoOrBuilder>(
                  readOpChecksumInfo_,
                  getParentForChildren(),
                  isClean());
          readOpChecksumInfo_ = null;
        }
        return readOpChecksumInfoBuilder_;
      }
      
      // optional string message = 5;
      private java.lang.Object message_ = "";
      public boolean hasMessage() {
        return ((bitField0_ & 0x00000010) == 0x00000010);
      }
      public String getMessage() {
        java.lang.Object ref = message_;
        if (!(ref instanceof String)) {
          String s = ((com.google.protobuf.ByteString) ref).toStringUtf8();
          message_ = s;
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          super.mergeFrom(other);
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      public Builder mergeFrom(org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.DNTransferAckProto other) {
        if (other == org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.DNTransferAckProto.getDefaultInstance()) return this;
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          setStatus(other.getStatus());
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      public Builder mergeFrom(
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          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
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    int getBytesPerCrc();
    
    // required uint64 crcPerBlock = 2;
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    long getCrcPerBlock();
    
    // required bytes md5 = 3;
    boolean hasMd5();
    com.google.protobuf.ByteString getMd5();
    
    // optional .ChecksumTypeProto crcType = 4 [default = CRC32];
    boolean hasCrcType();
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    private OpBlockChecksumResponseProto(boolean noInit) {}
    
    private static final OpBlockChecksumResponseProto defaultInstance;
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    public OpBlockChecksumResponseProto getDefaultInstanceForType() {
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    public static final com.google.protobuf.Descriptors.Descriptor
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    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
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    public static final int CRCTYPE_FIELD_NUMBER = 4;
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    public org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.ChecksumTypeProto getCrcType() {
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      crcPerBlock_ = 0L;
      md5_ = com.google.protobuf.ByteString.EMPTY;
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      return super.writeReplace();
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    @java.lang.Override
    public boolean equals(final java.lang.Object obj) {
      if (obj == this) {
       return true;
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      if (!(obj instanceof org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpBlockChecksumResponseProto)) {
        return super.equals(obj);
      }
      org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpBlockChecksumResponseProto other = (org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpBlockChecksumResponseProto) obj;
      
      boolean result = true;
      result = result && (hasBytesPerCrc() == other.hasBytesPerCrc());
      if (hasBytesPerCrc()) {
        result = result && (getBytesPerCrc()
            == other.getBytesPerCrc());
      }
      result = result && (hasCrcPerBlock() == other.hasCrcPerBlock());
      if (hasCrcPerBlock()) {
        result = result && (getCrcPerBlock()
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      }
      result = result && (hasMd5() == other.hasMd5());
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        hash = (37 * hash) + MD5_FIELD_NUMBER;
        hash = (53 * hash) + getMd5().hashCode();
      }
      if (hasCrcType()) {
        hash = (37 * hash) + CRCTYPE_FIELD_NUMBER;
        hash = (53 * hash) + hashEnum(getCrcType());
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      hash = (29 * hash) + getUnknownFields().hashCode();
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    public static org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpBlockChecksumResponseProto parseFrom(
        com.google.protobuf.ByteString data)
        throws com.google.protobuf.InvalidProtocolBufferException {
      return newBuilder().mergeFrom(data).buildParsed();
    }
    public static org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpBlockChecksumResponseProto parseFrom(
        com.google.protobuf.ByteString data,
        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws com.google.protobuf.InvalidProtocolBufferException {
      return newBuilder().mergeFrom(data, extensionRegistry)
               .buildParsed();
    }
    public static org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpBlockChecksumResponseProto parseFrom(byte[] data)
        throws com.google.protobuf.InvalidProtocolBufferException {
      return newBuilder().mergeFrom(data).buildParsed();
    }
    public static org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpBlockChecksumResponseProto parseFrom(
        byte[] data,
        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws com.google.protobuf.InvalidProtocolBufferException {
      return newBuilder().mergeFrom(data, extensionRegistry)
               .buildParsed();
    }
    public static org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpBlockChecksumResponseProto parseFrom(java.io.InputStream input)
        throws java.io.IOException {
      return newBuilder().mergeFrom(input).buildParsed();
    }
    public static org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpBlockChecksumResponseProto parseFrom(
        java.io.InputStream input,
        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws java.io.IOException {
      return newBuilder().mergeFrom(input, extensionRegistry)
               .buildParsed();
    }
    public static org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpBlockChecksumResponseProto parseDelimitedFrom(java.io.InputStream input)
        throws java.io.IOException {
      Builder builder = newBuilder();
      if (builder.mergeDelimitedFrom(input)) {
        return builder.buildParsed();
      } else {
        return null;
      }
    }
    public static org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpBlockChecksumResponseProto parseDelimitedFrom(
        java.io.InputStream input,
        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws java.io.IOException {
      Builder builder = newBuilder();
      if (builder.mergeDelimitedFrom(input, extensionRegistry)) {
        return builder.buildParsed();
      } else {
        return null;
      }
    }
    public static org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpBlockChecksumResponseProto parseFrom(
        com.google.protobuf.CodedInputStream input)
        throws java.io.IOException {
      return newBuilder().mergeFrom(input).buildParsed();
    }
    public static org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpBlockChecksumResponseProto parseFrom(
        com.google.protobuf.CodedInputStream input,
        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws java.io.IOException {
      return newBuilder().mergeFrom(input, extensionRegistry)
               .buildParsed();
    }
    
    public static Builder newBuilder() { return Builder.create(); }
    public Builder newBuilderForType() { return newBuilder(); }
    public static Builder newBuilder(org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpBlockChecksumResponseProto prototype) {
      return newBuilder().mergeFrom(prototype);
    }
    public Builder toBuilder() { return newBuilder(this); }
    
    @java.lang.Override
    protected Builder newBuilderForType(
        com.google.protobuf.GeneratedMessage.BuilderParent parent) {
      Builder builder = new Builder(parent);
      return builder;
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    public static final class Builder extends
        com.google.protobuf.GeneratedMessage.Builder
       implements org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpBlockChecksumResponseProtoOrBuilder {
      public static final com.google.protobuf.Descriptors.Descriptor
          getDescriptor() {
        return org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.internal_static_OpBlockChecksumResponseProto_descriptor;
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      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
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      // Construct using org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpBlockChecksumResponseProto.newBuilder()
      private Builder() {
        maybeForceBuilderInitialization();
      }
      
      private Builder(BuilderParent parent) {
        super(parent);
        maybeForceBuilderInitialization();
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      private void maybeForceBuilderInitialization() {
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      public Builder clear() {
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        bytesPerCrc_ = 0;
        bitField0_ = (bitField0_ & ~0x00000001);
        crcPerBlock_ = 0L;
        bitField0_ = (bitField0_ & ~0x00000002);
        md5_ = com.google.protobuf.ByteString.EMPTY;
        bitField0_ = (bitField0_ & ~0x00000004);
        crcType_ = org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.ChecksumTypeProto.CRC32;
        bitField0_ = (bitField0_ & ~0x00000008);
        return this;
      }
      
      public Builder clone() {
        return create().mergeFrom(buildPartial());
      }
      
      public com.google.protobuf.Descriptors.Descriptor
          getDescriptorForType() {
        return org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpBlockChecksumResponseProto.getDescriptor();
      }
      
      public org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpBlockChecksumResponseProto getDefaultInstanceForType() {
        return org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpBlockChecksumResponseProto.getDefaultInstance();
      }
      
      public org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpBlockChecksumResponseProto build() {
        org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpBlockChecksumResponseProto result = buildPartial();
        if (!result.isInitialized()) {
          throw newUninitializedMessageException(result);
        }
        return result;
      }
      
      private org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpBlockChecksumResponseProto buildParsed()
          throws com.google.protobuf.InvalidProtocolBufferException {
        org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpBlockChecksumResponseProto result = buildPartial();
        if (!result.isInitialized()) {
          throw newUninitializedMessageException(
            result).asInvalidProtocolBufferException();
        }
        return result;
      }
      
      public org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpBlockChecksumResponseProto buildPartial() {
        org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpBlockChecksumResponseProto result = new org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpBlockChecksumResponseProto(this);
        int from_bitField0_ = bitField0_;
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        if (((from_bitField0_ & 0x00000001) == 0x00000001)) {
          to_bitField0_ |= 0x00000001;
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        result.crcType_ = crcType_;
        result.bitField0_ = to_bitField0_;
        onBuilt();
        return result;
      }
      
      public Builder mergeFrom(com.google.protobuf.Message other) {
        if (other instanceof org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpBlockChecksumResponseProto) {
          return mergeFrom((org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpBlockChecksumResponseProto)other);
        } else {
          super.mergeFrom(other);
          return this;
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      public Builder mergeFrom(org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpBlockChecksumResponseProto other) {
        if (other == org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpBlockChecksumResponseProto.getDefaultInstance()) return this;
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          setBytesPerCrc(other.getBytesPerCrc());
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        if (other.hasCrcPerBlock()) {
          setCrcPerBlock(other.getCrcPerBlock());
        }
        if (other.hasMd5()) {
          setMd5(other.getMd5());
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        if (other.hasCrcType()) {
          setCrcType(other.getCrcType());
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        this.mergeUnknownFields(other.getUnknownFields());
        return this;
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      public final boolean isInitialized() {
        if (!hasBytesPerCrc()) {
          
          return false;
        }
        if (!hasCrcPerBlock()) {
          
          return false;
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        if (!hasMd5()) {
          
          return false;
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          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
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        com.google.protobuf.UnknownFieldSet.Builder unknownFields =
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                onChanged();
                return this;
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              break;
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              break;
            }
            case 26: {
              bitField0_ |= 0x00000004;
              md5_ = input.readBytes();
              break;
            }
            case 32: {
              int rawValue = input.readEnum();
              org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.ChecksumTypeProto value = org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.ChecksumTypeProto.valueOf(rawValue);
              if (value == null) {
                unknownFields.mergeVarintField(4, rawValue);
              } else {
                bitField0_ |= 0x00000008;
                crcType_ = value;
              }
              break;
            }
          }
        }
      }
      
      private int bitField0_;
      
      // required uint32 bytesPerCrc = 1;
      private int bytesPerCrc_ ;
      public boolean hasBytesPerCrc() {
        return ((bitField0_ & 0x00000001) == 0x00000001);
      }
      public int getBytesPerCrc() {
        return bytesPerCrc_;
      }
      public Builder setBytesPerCrc(int value) {
        bitField0_ |= 0x00000001;
        bytesPerCrc_ = value;
        onChanged();
        return this;
      }
      public Builder clearBytesPerCrc() {
        bitField0_ = (bitField0_ & ~0x00000001);
        bytesPerCrc_ = 0;
        onChanged();
        return this;
      }
      
      // required uint64 crcPerBlock = 2;
      private long crcPerBlock_ ;
      public boolean hasCrcPerBlock() {
        return ((bitField0_ & 0x00000002) == 0x00000002);
      }
      public long getCrcPerBlock() {
        return crcPerBlock_;
      }
      public Builder setCrcPerBlock(long value) {
        bitField0_ |= 0x00000002;
        crcPerBlock_ = value;
        onChanged();
        return this;
      }
      public Builder clearCrcPerBlock() {
        bitField0_ = (bitField0_ & ~0x00000002);
        crcPerBlock_ = 0L;
        onChanged();
        return this;
      }
      
      // required bytes md5 = 3;
      private com.google.protobuf.ByteString md5_ = com.google.protobuf.ByteString.EMPTY;
      public boolean hasMd5() {
        return ((bitField0_ & 0x00000004) == 0x00000004);
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        return md5_;
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        if (value == null) {
    throw new NullPointerException();
  }
  bitField0_ |= 0x00000004;
        md5_ = value;
        onChanged();
        return this;
      }
      public Builder clearMd5() {
        bitField0_ = (bitField0_ & ~0x00000004);
        md5_ = getDefaultInstance().getMd5();
        onChanged();
        return this;
      }
      
      // optional .ChecksumTypeProto crcType = 4 [default = CRC32];
      private org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.ChecksumTypeProto crcType_ = org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.ChecksumTypeProto.CRC32;
      public boolean hasCrcType() {
        return ((bitField0_ & 0x00000008) == 0x00000008);
      }
      public org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.ChecksumTypeProto getCrcType() {
        return crcType_;
      }
      public Builder setCrcType(org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.ChecksumTypeProto value) {
        if (value == null) {
          throw new NullPointerException();
        }
        bitField0_ |= 0x00000008;
        crcType_ = value;
        onChanged();
        return this;
      }
      public Builder clearCrcType() {
        bitField0_ = (bitField0_ & ~0x00000008);
        crcType_ = org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.ChecksumTypeProto.CRC32;
        onChanged();
        return this;
      }
      
      // @@protoc_insertion_point(builder_scope:OpBlockChecksumResponseProto)
    }
    
    static {
      defaultInstance = new OpBlockChecksumResponseProto(true);
      defaultInstance.initFields();
    }
    
    // @@protoc_insertion_point(class_scope:OpBlockChecksumResponseProto)
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  private static
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