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Parquet is a columnar storage format that supports nested data. This provides all generated metadata code.
/**
* Autogenerated by Thrift Compiler (0.7.0)
*
* DO NOT EDIT UNLESS YOU ARE SURE THAT YOU KNOW WHAT YOU ARE DOING
*/
package org.apache.parquet.format;
import org.apache.commons.lang.builder.HashCodeBuilder;
import java.util.List;
import java.util.ArrayList;
import java.util.Map;
import java.util.HashMap;
import java.util.EnumMap;
import java.util.Set;
import java.util.HashSet;
import java.util.EnumSet;
import java.util.Collections;
import java.util.BitSet;
import java.nio.ByteBuffer;
import java.util.Arrays;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Data page header
*/
public class DataPageHeader implements org.apache.thrift.TBase, java.io.Serializable, Cloneable {
private static final org.apache.thrift.protocol.TStruct STRUCT_DESC = new org.apache.thrift.protocol.TStruct("DataPageHeader");
private static final org.apache.thrift.protocol.TField NUM_VALUES_FIELD_DESC = new org.apache.thrift.protocol.TField("num_values", org.apache.thrift.protocol.TType.I32, (short)1);
private static final org.apache.thrift.protocol.TField ENCODING_FIELD_DESC = new org.apache.thrift.protocol.TField("encoding", org.apache.thrift.protocol.TType.I32, (short)2);
private static final org.apache.thrift.protocol.TField DEFINITION_LEVEL_ENCODING_FIELD_DESC = new org.apache.thrift.protocol.TField("definition_level_encoding", org.apache.thrift.protocol.TType.I32, (short)3);
private static final org.apache.thrift.protocol.TField REPETITION_LEVEL_ENCODING_FIELD_DESC = new org.apache.thrift.protocol.TField("repetition_level_encoding", org.apache.thrift.protocol.TType.I32, (short)4);
private static final org.apache.thrift.protocol.TField STATISTICS_FIELD_DESC = new org.apache.thrift.protocol.TField("statistics", org.apache.thrift.protocol.TType.STRUCT, (short)5);
/**
* Number of values, including NULLs, in this data page. *
*/
public int num_values; // required
/**
* Encoding used for this data page *
*
* @see Encoding
*/
public Encoding encoding; // required
/**
* Encoding used for definition levels *
*
* @see Encoding
*/
public Encoding definition_level_encoding; // required
/**
* Encoding used for repetition levels *
*
* @see Encoding
*/
public Encoding repetition_level_encoding; // required
/**
* Optional statistics for the data in this page*
*/
public Statistics statistics; // required
/** The set of fields this struct contains, along with convenience methods for finding and manipulating them. */
public enum _Fields implements org.apache.thrift.TFieldIdEnum {
/**
* Number of values, including NULLs, in this data page. *
*/
NUM_VALUES((short)1, "num_values"),
/**
* Encoding used for this data page *
*
* @see Encoding
*/
ENCODING((short)2, "encoding"),
/**
* Encoding used for definition levels *
*
* @see Encoding
*/
DEFINITION_LEVEL_ENCODING((short)3, "definition_level_encoding"),
/**
* Encoding used for repetition levels *
*
* @see Encoding
*/
REPETITION_LEVEL_ENCODING((short)4, "repetition_level_encoding"),
/**
* Optional statistics for the data in this page*
*/
STATISTICS((short)5, "statistics");
private static final Map byName = new HashMap();
static {
for (_Fields field : EnumSet.allOf(_Fields.class)) {
byName.put(field.getFieldName(), field);
}
}
/**
* Find the _Fields constant that matches fieldId, or null if its not found.
*/
public static _Fields findByThriftId(int fieldId) {
switch(fieldId) {
case 1: // NUM_VALUES
return NUM_VALUES;
case 2: // ENCODING
return ENCODING;
case 3: // DEFINITION_LEVEL_ENCODING
return DEFINITION_LEVEL_ENCODING;
case 4: // REPETITION_LEVEL_ENCODING
return REPETITION_LEVEL_ENCODING;
case 5: // STATISTICS
return STATISTICS;
default:
return null;
}
}
/**
* Find the _Fields constant that matches fieldId, throwing an exception
* if it is not found.
*/
public static _Fields findByThriftIdOrThrow(int fieldId) {
_Fields fields = findByThriftId(fieldId);
if (fields == null) throw new IllegalArgumentException("Field " + fieldId + " doesn't exist!");
return fields;
}
/**
* Find the _Fields constant that matches name, or null if its not found.
*/
public static _Fields findByName(String name) {
return byName.get(name);
}
private final short _thriftId;
private final String _fieldName;
_Fields(short thriftId, String fieldName) {
_thriftId = thriftId;
_fieldName = fieldName;
}
public short getThriftFieldId() {
return _thriftId;
}
public String getFieldName() {
return _fieldName;
}
}
// isset id assignments
private static final int __NUM_VALUES_ISSET_ID = 0;
private BitSet __isset_bit_vector = new BitSet(1);
public static final Map<_Fields, org.apache.thrift.meta_data.FieldMetaData> metaDataMap;
static {
Map<_Fields, org.apache.thrift.meta_data.FieldMetaData> tmpMap = new EnumMap<_Fields, org.apache.thrift.meta_data.FieldMetaData>(_Fields.class);
tmpMap.put(_Fields.NUM_VALUES, new org.apache.thrift.meta_data.FieldMetaData("num_values", org.apache.thrift.TFieldRequirementType.REQUIRED,
new org.apache.thrift.meta_data.FieldValueMetaData(org.apache.thrift.protocol.TType.I32)));
tmpMap.put(_Fields.ENCODING, new org.apache.thrift.meta_data.FieldMetaData("encoding", org.apache.thrift.TFieldRequirementType.REQUIRED,
new org.apache.thrift.meta_data.EnumMetaData(org.apache.thrift.protocol.TType.ENUM, Encoding.class)));
tmpMap.put(_Fields.DEFINITION_LEVEL_ENCODING, new org.apache.thrift.meta_data.FieldMetaData("definition_level_encoding", org.apache.thrift.TFieldRequirementType.REQUIRED,
new org.apache.thrift.meta_data.EnumMetaData(org.apache.thrift.protocol.TType.ENUM, Encoding.class)));
tmpMap.put(_Fields.REPETITION_LEVEL_ENCODING, new org.apache.thrift.meta_data.FieldMetaData("repetition_level_encoding", org.apache.thrift.TFieldRequirementType.REQUIRED,
new org.apache.thrift.meta_data.EnumMetaData(org.apache.thrift.protocol.TType.ENUM, Encoding.class)));
tmpMap.put(_Fields.STATISTICS, new org.apache.thrift.meta_data.FieldMetaData("statistics", org.apache.thrift.TFieldRequirementType.OPTIONAL,
new org.apache.thrift.meta_data.StructMetaData(org.apache.thrift.protocol.TType.STRUCT, Statistics.class)));
metaDataMap = Collections.unmodifiableMap(tmpMap);
org.apache.thrift.meta_data.FieldMetaData.addStructMetaDataMap(DataPageHeader.class, metaDataMap);
}
public DataPageHeader() {
}
public DataPageHeader(
int num_values,
Encoding encoding,
Encoding definition_level_encoding,
Encoding repetition_level_encoding)
{
this();
this.num_values = num_values;
setNum_valuesIsSet(true);
this.encoding = encoding;
this.definition_level_encoding = definition_level_encoding;
this.repetition_level_encoding = repetition_level_encoding;
}
/**
* Performs a deep copy on other.
*/
public DataPageHeader(DataPageHeader other) {
__isset_bit_vector.clear();
__isset_bit_vector.or(other.__isset_bit_vector);
this.num_values = other.num_values;
if (other.isSetEncoding()) {
this.encoding = other.encoding;
}
if (other.isSetDefinition_level_encoding()) {
this.definition_level_encoding = other.definition_level_encoding;
}
if (other.isSetRepetition_level_encoding()) {
this.repetition_level_encoding = other.repetition_level_encoding;
}
if (other.isSetStatistics()) {
this.statistics = new Statistics(other.statistics);
}
}
public DataPageHeader deepCopy() {
return new DataPageHeader(this);
}
@Override
public void clear() {
setNum_valuesIsSet(false);
this.num_values = 0;
this.encoding = null;
this.definition_level_encoding = null;
this.repetition_level_encoding = null;
this.statistics = null;
}
/**
* Number of values, including NULLs, in this data page. *
*/
public int getNum_values() {
return this.num_values;
}
/**
* Number of values, including NULLs, in this data page. *
*/
public DataPageHeader setNum_values(int num_values) {
this.num_values = num_values;
setNum_valuesIsSet(true);
return this;
}
public void unsetNum_values() {
__isset_bit_vector.clear(__NUM_VALUES_ISSET_ID);
}
/** Returns true if field num_values is set (has been assigned a value) and false otherwise */
public boolean isSetNum_values() {
return __isset_bit_vector.get(__NUM_VALUES_ISSET_ID);
}
public void setNum_valuesIsSet(boolean value) {
__isset_bit_vector.set(__NUM_VALUES_ISSET_ID, value);
}
/**
* Encoding used for this data page *
*
* @see Encoding
*/
public Encoding getEncoding() {
return this.encoding;
}
/**
* Encoding used for this data page *
*
* @see Encoding
*/
public DataPageHeader setEncoding(Encoding encoding) {
this.encoding = encoding;
return this;
}
public void unsetEncoding() {
this.encoding = null;
}
/** Returns true if field encoding is set (has been assigned a value) and false otherwise */
public boolean isSetEncoding() {
return this.encoding != null;
}
public void setEncodingIsSet(boolean value) {
if (!value) {
this.encoding = null;
}
}
/**
* Encoding used for definition levels *
*
* @see Encoding
*/
public Encoding getDefinition_level_encoding() {
return this.definition_level_encoding;
}
/**
* Encoding used for definition levels *
*
* @see Encoding
*/
public DataPageHeader setDefinition_level_encoding(Encoding definition_level_encoding) {
this.definition_level_encoding = definition_level_encoding;
return this;
}
public void unsetDefinition_level_encoding() {
this.definition_level_encoding = null;
}
/** Returns true if field definition_level_encoding is set (has been assigned a value) and false otherwise */
public boolean isSetDefinition_level_encoding() {
return this.definition_level_encoding != null;
}
public void setDefinition_level_encodingIsSet(boolean value) {
if (!value) {
this.definition_level_encoding = null;
}
}
/**
* Encoding used for repetition levels *
*
* @see Encoding
*/
public Encoding getRepetition_level_encoding() {
return this.repetition_level_encoding;
}
/**
* Encoding used for repetition levels *
*
* @see Encoding
*/
public DataPageHeader setRepetition_level_encoding(Encoding repetition_level_encoding) {
this.repetition_level_encoding = repetition_level_encoding;
return this;
}
public void unsetRepetition_level_encoding() {
this.repetition_level_encoding = null;
}
/** Returns true if field repetition_level_encoding is set (has been assigned a value) and false otherwise */
public boolean isSetRepetition_level_encoding() {
return this.repetition_level_encoding != null;
}
public void setRepetition_level_encodingIsSet(boolean value) {
if (!value) {
this.repetition_level_encoding = null;
}
}
/**
* Optional statistics for the data in this page*
*/
public Statistics getStatistics() {
return this.statistics;
}
/**
* Optional statistics for the data in this page*
*/
public DataPageHeader setStatistics(Statistics statistics) {
this.statistics = statistics;
return this;
}
public void unsetStatistics() {
this.statistics = null;
}
/** Returns true if field statistics is set (has been assigned a value) and false otherwise */
public boolean isSetStatistics() {
return this.statistics != null;
}
public void setStatisticsIsSet(boolean value) {
if (!value) {
this.statistics = null;
}
}
public void setFieldValue(_Fields field, Object value) {
switch (field) {
case NUM_VALUES:
if (value == null) {
unsetNum_values();
} else {
setNum_values((Integer)value);
}
break;
case ENCODING:
if (value == null) {
unsetEncoding();
} else {
setEncoding((Encoding)value);
}
break;
case DEFINITION_LEVEL_ENCODING:
if (value == null) {
unsetDefinition_level_encoding();
} else {
setDefinition_level_encoding((Encoding)value);
}
break;
case REPETITION_LEVEL_ENCODING:
if (value == null) {
unsetRepetition_level_encoding();
} else {
setRepetition_level_encoding((Encoding)value);
}
break;
case STATISTICS:
if (value == null) {
unsetStatistics();
} else {
setStatistics((Statistics)value);
}
break;
}
}
public Object getFieldValue(_Fields field) {
switch (field) {
case NUM_VALUES:
return Integer.valueOf(getNum_values());
case ENCODING:
return getEncoding();
case DEFINITION_LEVEL_ENCODING:
return getDefinition_level_encoding();
case REPETITION_LEVEL_ENCODING:
return getRepetition_level_encoding();
case STATISTICS:
return getStatistics();
}
throw new IllegalStateException();
}
/** Returns true if field corresponding to fieldID is set (has been assigned a value) and false otherwise */
public boolean isSet(_Fields field) {
if (field == null) {
throw new IllegalArgumentException();
}
switch (field) {
case NUM_VALUES:
return isSetNum_values();
case ENCODING:
return isSetEncoding();
case DEFINITION_LEVEL_ENCODING:
return isSetDefinition_level_encoding();
case REPETITION_LEVEL_ENCODING:
return isSetRepetition_level_encoding();
case STATISTICS:
return isSetStatistics();
}
throw new IllegalStateException();
}
@Override
public boolean equals(Object that) {
if (that == null)
return false;
if (that instanceof DataPageHeader)
return this.equals((DataPageHeader)that);
return false;
}
public boolean equals(DataPageHeader that) {
if (that == null)
return false;
boolean this_present_num_values = true;
boolean that_present_num_values = true;
if (this_present_num_values || that_present_num_values) {
if (!(this_present_num_values && that_present_num_values))
return false;
if (this.num_values != that.num_values)
return false;
}
boolean this_present_encoding = true && this.isSetEncoding();
boolean that_present_encoding = true && that.isSetEncoding();
if (this_present_encoding || that_present_encoding) {
if (!(this_present_encoding && that_present_encoding))
return false;
if (!this.encoding.equals(that.encoding))
return false;
}
boolean this_present_definition_level_encoding = true && this.isSetDefinition_level_encoding();
boolean that_present_definition_level_encoding = true && that.isSetDefinition_level_encoding();
if (this_present_definition_level_encoding || that_present_definition_level_encoding) {
if (!(this_present_definition_level_encoding && that_present_definition_level_encoding))
return false;
if (!this.definition_level_encoding.equals(that.definition_level_encoding))
return false;
}
boolean this_present_repetition_level_encoding = true && this.isSetRepetition_level_encoding();
boolean that_present_repetition_level_encoding = true && that.isSetRepetition_level_encoding();
if (this_present_repetition_level_encoding || that_present_repetition_level_encoding) {
if (!(this_present_repetition_level_encoding && that_present_repetition_level_encoding))
return false;
if (!this.repetition_level_encoding.equals(that.repetition_level_encoding))
return false;
}
boolean this_present_statistics = true && this.isSetStatistics();
boolean that_present_statistics = true && that.isSetStatistics();
if (this_present_statistics || that_present_statistics) {
if (!(this_present_statistics && that_present_statistics))
return false;
if (!this.statistics.equals(that.statistics))
return false;
}
return true;
}
@Override
public int hashCode() {
HashCodeBuilder builder = new HashCodeBuilder();
boolean present_num_values = true;
builder.append(present_num_values);
if (present_num_values)
builder.append(num_values);
boolean present_encoding = true && (isSetEncoding());
builder.append(present_encoding);
if (present_encoding)
builder.append(encoding.getValue());
boolean present_definition_level_encoding = true && (isSetDefinition_level_encoding());
builder.append(present_definition_level_encoding);
if (present_definition_level_encoding)
builder.append(definition_level_encoding.getValue());
boolean present_repetition_level_encoding = true && (isSetRepetition_level_encoding());
builder.append(present_repetition_level_encoding);
if (present_repetition_level_encoding)
builder.append(repetition_level_encoding.getValue());
boolean present_statistics = true && (isSetStatistics());
builder.append(present_statistics);
if (present_statistics)
builder.append(statistics);
return builder.toHashCode();
}
public int compareTo(DataPageHeader other) {
if (!getClass().equals(other.getClass())) {
return getClass().getName().compareTo(other.getClass().getName());
}
int lastComparison = 0;
DataPageHeader typedOther = (DataPageHeader)other;
lastComparison = Boolean.valueOf(isSetNum_values()).compareTo(typedOther.isSetNum_values());
if (lastComparison != 0) {
return lastComparison;
}
if (isSetNum_values()) {
lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.num_values, typedOther.num_values);
if (lastComparison != 0) {
return lastComparison;
}
}
lastComparison = Boolean.valueOf(isSetEncoding()).compareTo(typedOther.isSetEncoding());
if (lastComparison != 0) {
return lastComparison;
}
if (isSetEncoding()) {
lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.encoding, typedOther.encoding);
if (lastComparison != 0) {
return lastComparison;
}
}
lastComparison = Boolean.valueOf(isSetDefinition_level_encoding()).compareTo(typedOther.isSetDefinition_level_encoding());
if (lastComparison != 0) {
return lastComparison;
}
if (isSetDefinition_level_encoding()) {
lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.definition_level_encoding, typedOther.definition_level_encoding);
if (lastComparison != 0) {
return lastComparison;
}
}
lastComparison = Boolean.valueOf(isSetRepetition_level_encoding()).compareTo(typedOther.isSetRepetition_level_encoding());
if (lastComparison != 0) {
return lastComparison;
}
if (isSetRepetition_level_encoding()) {
lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.repetition_level_encoding, typedOther.repetition_level_encoding);
if (lastComparison != 0) {
return lastComparison;
}
}
lastComparison = Boolean.valueOf(isSetStatistics()).compareTo(typedOther.isSetStatistics());
if (lastComparison != 0) {
return lastComparison;
}
if (isSetStatistics()) {
lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.statistics, typedOther.statistics);
if (lastComparison != 0) {
return lastComparison;
}
}
return 0;
}
public _Fields fieldForId(int fieldId) {
return _Fields.findByThriftId(fieldId);
}
public void read(org.apache.thrift.protocol.TProtocol iprot) throws org.apache.thrift.TException {
org.apache.thrift.protocol.TField field;
iprot.readStructBegin();
while (true)
{
field = iprot.readFieldBegin();
if (field.type == org.apache.thrift.protocol.TType.STOP) {
break;
}
switch (field.id) {
case 1: // NUM_VALUES
if (field.type == org.apache.thrift.protocol.TType.I32) {
this.num_values = iprot.readI32();
setNum_valuesIsSet(true);
} else {
org.apache.thrift.protocol.TProtocolUtil.skip(iprot, field.type);
}
break;
case 2: // ENCODING
if (field.type == org.apache.thrift.protocol.TType.I32) {
this.encoding = Encoding.findByValue(iprot.readI32());
} else {
org.apache.thrift.protocol.TProtocolUtil.skip(iprot, field.type);
}
break;
case 3: // DEFINITION_LEVEL_ENCODING
if (field.type == org.apache.thrift.protocol.TType.I32) {
this.definition_level_encoding = Encoding.findByValue(iprot.readI32());
} else {
org.apache.thrift.protocol.TProtocolUtil.skip(iprot, field.type);
}
break;
case 4: // REPETITION_LEVEL_ENCODING
if (field.type == org.apache.thrift.protocol.TType.I32) {
this.repetition_level_encoding = Encoding.findByValue(iprot.readI32());
} else {
org.apache.thrift.protocol.TProtocolUtil.skip(iprot, field.type);
}
break;
case 5: // STATISTICS
if (field.type == org.apache.thrift.protocol.TType.STRUCT) {
this.statistics = new Statistics();
this.statistics.read(iprot);
} else {
org.apache.thrift.protocol.TProtocolUtil.skip(iprot, field.type);
}
break;
default:
org.apache.thrift.protocol.TProtocolUtil.skip(iprot, field.type);
}
iprot.readFieldEnd();
}
iprot.readStructEnd();
// check for required fields of primitive type, which can't be checked in the validate method
if (!isSetNum_values()) {
throw new org.apache.thrift.protocol.TProtocolException("Required field 'num_values' was not found in serialized data! Struct: " + toString());
}
validate();
}
public void write(org.apache.thrift.protocol.TProtocol oprot) throws org.apache.thrift.TException {
validate();
oprot.writeStructBegin(STRUCT_DESC);
oprot.writeFieldBegin(NUM_VALUES_FIELD_DESC);
oprot.writeI32(this.num_values);
oprot.writeFieldEnd();
if (this.encoding != null) {
oprot.writeFieldBegin(ENCODING_FIELD_DESC);
oprot.writeI32(this.encoding.getValue());
oprot.writeFieldEnd();
}
if (this.definition_level_encoding != null) {
oprot.writeFieldBegin(DEFINITION_LEVEL_ENCODING_FIELD_DESC);
oprot.writeI32(this.definition_level_encoding.getValue());
oprot.writeFieldEnd();
}
if (this.repetition_level_encoding != null) {
oprot.writeFieldBegin(REPETITION_LEVEL_ENCODING_FIELD_DESC);
oprot.writeI32(this.repetition_level_encoding.getValue());
oprot.writeFieldEnd();
}
if (this.statistics != null) {
if (isSetStatistics()) {
oprot.writeFieldBegin(STATISTICS_FIELD_DESC);
this.statistics.write(oprot);
oprot.writeFieldEnd();
}
}
oprot.writeFieldStop();
oprot.writeStructEnd();
}
@Override
public String toString() {
StringBuilder sb = new StringBuilder("DataPageHeader(");
boolean first = true;
sb.append("num_values:");
sb.append(this.num_values);
first = false;
if (!first) sb.append(", ");
sb.append("encoding:");
if (this.encoding == null) {
sb.append("null");
} else {
sb.append(this.encoding);
}
first = false;
if (!first) sb.append(", ");
sb.append("definition_level_encoding:");
if (this.definition_level_encoding == null) {
sb.append("null");
} else {
sb.append(this.definition_level_encoding);
}
first = false;
if (!first) sb.append(", ");
sb.append("repetition_level_encoding:");
if (this.repetition_level_encoding == null) {
sb.append("null");
} else {
sb.append(this.repetition_level_encoding);
}
first = false;
if (isSetStatistics()) {
if (!first) sb.append(", ");
sb.append("statistics:");
if (this.statistics == null) {
sb.append("null");
} else {
sb.append(this.statistics);
}
first = false;
}
sb.append(")");
return sb.toString();
}
public void validate() throws org.apache.thrift.TException {
// check for required fields
// alas, we cannot check 'num_values' because it's a primitive and you chose the non-beans generator.
if (encoding == null) {
throw new org.apache.thrift.protocol.TProtocolException("Required field 'encoding' was not present! Struct: " + toString());
}
if (definition_level_encoding == null) {
throw new org.apache.thrift.protocol.TProtocolException("Required field 'definition_level_encoding' was not present! Struct: " + toString());
}
if (repetition_level_encoding == null) {
throw new org.apache.thrift.protocol.TProtocolException("Required field 'repetition_level_encoding' was not present! Struct: " + toString());
}
}
private void writeObject(java.io.ObjectOutputStream out) throws java.io.IOException {
try {
write(new org.apache.thrift.protocol.TCompactProtocol(new org.apache.thrift.transport.TIOStreamTransport(out)));
} catch (org.apache.thrift.TException te) {
throw new java.io.IOException(te);
}
}
private void readObject(java.io.ObjectInputStream in) throws java.io.IOException, ClassNotFoundException {
try {
// it doesn't seem like you should have to do this, but java serialization is wacky, and doesn't call the default constructor.
__isset_bit_vector = new BitSet(1);
read(new org.apache.thrift.protocol.TCompactProtocol(new org.apache.thrift.transport.TIOStreamTransport(in)));
} catch (org.apache.thrift.TException te) {
throw new java.io.IOException(te);
}
}
}
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