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    • org.apache.parquet.format.RowGroup Maven / Gradle / Ivy

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    Parquet is a columnar storage format that supports nested data. This provides all generated metadata code.

    There is a newer version: 2.10.0
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    /**
 * Autogenerated by Thrift Compiler (0.9.3)
 *
 * DO NOT EDIT UNLESS YOU ARE SURE THAT YOU KNOW WHAT YOU ARE DOING
 *  @generated
 */
package org.apache.parquet.format;

import org.apache.thrift.scheme.IScheme;
import org.apache.thrift.scheme.SchemeFactory;
import org.apache.thrift.scheme.StandardScheme;

import org.apache.thrift.scheme.TupleScheme;
import org.apache.thrift.protocol.TTupleProtocol;
import org.apache.thrift.protocol.TProtocolException;
import org.apache.thrift.EncodingUtils;
import org.apache.thrift.TException;
import org.apache.thrift.async.AsyncMethodCallback;
import org.apache.thrift.server.AbstractNonblockingServer.*;
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 javax.annotation.Generated;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

@SuppressWarnings({"cast", "rawtypes", "serial", "unchecked"})
@Generated(value = "Autogenerated by Thrift Compiler (0.9.3)", date = "2017-10-17")
public class RowGroup implements org.apache.thrift.TBase, java.io.Serializable, Cloneable, Comparable {
  private static final org.apache.thrift.protocol.TStruct STRUCT_DESC = new org.apache.thrift.protocol.TStruct("RowGroup");

  private static final org.apache.thrift.protocol.TField COLUMNS_FIELD_DESC = new org.apache.thrift.protocol.TField("columns", org.apache.thrift.protocol.TType.LIST, (short)1);
  private static final org.apache.thrift.protocol.TField TOTAL_BYTE_SIZE_FIELD_DESC = new org.apache.thrift.protocol.TField("total_byte_size", org.apache.thrift.protocol.TType.I64, (short)2);
  private static final org.apache.thrift.protocol.TField NUM_ROWS_FIELD_DESC = new org.apache.thrift.protocol.TField("num_rows", org.apache.thrift.protocol.TType.I64, (short)3);
  private static final org.apache.thrift.protocol.TField SORTING_COLUMNS_FIELD_DESC = new org.apache.thrift.protocol.TField("sorting_columns", org.apache.thrift.protocol.TType.LIST, (short)4);

  private static final Map, SchemeFactory> schemes = new HashMap, SchemeFactory>();
  static {
    schemes.put(StandardScheme.class, new RowGroupStandardSchemeFactory());
    schemes.put(TupleScheme.class, new RowGroupTupleSchemeFactory());
  }

  /**
   * Metadata for each column chunk in this row group.
   * This list must have the same order as the SchemaElement list in FileMetaData.
   * 
   */
  public List columns; // required
  /**
   * Total byte size of all the uncompressed column data in this row group *
   */
  public long total_byte_size; // required
  /**
   * Number of rows in this row group *
   */
  public long num_rows; // required
  /**
   * If set, specifies a sort ordering of the rows in this RowGroup.
   * The sorting columns can be a subset of all the columns.
   */
  public List sorting_columns; // optional

  /** The set of fields this struct contains, along with convenience methods for finding and manipulating them. */
  public enum _Fields implements org.apache.thrift.TFieldIdEnum {
    /**
     * Metadata for each column chunk in this row group.
     * This list must have the same order as the SchemaElement list in FileMetaData.
     * 
     */
    COLUMNS((short)1, "columns"),
    /**
     * Total byte size of all the uncompressed column data in this row group *
     */
    TOTAL_BYTE_SIZE((short)2, "total_byte_size"),
    /**
     * Number of rows in this row group *
     */
    NUM_ROWS((short)3, "num_rows"),
    /**
     * If set, specifies a sort ordering of the rows in this RowGroup.
     * The sorting columns can be a subset of all the columns.
     */
    SORTING_COLUMNS((short)4, "sorting_columns");

    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: // COLUMNS
          return COLUMNS;
        case 2: // TOTAL_BYTE_SIZE
          return TOTAL_BYTE_SIZE;
        case 3: // NUM_ROWS
          return NUM_ROWS;
        case 4: // SORTING_COLUMNS
          return SORTING_COLUMNS;
        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 __TOTAL_BYTE_SIZE_ISSET_ID = 0;
  private static final int __NUM_ROWS_ISSET_ID = 1;
  private byte __isset_bitfield = 0;
  private static final _Fields optionals[] = {_Fields.SORTING_COLUMNS};
  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.COLUMNS, new org.apache.thrift.meta_data.FieldMetaData("columns", org.apache.thrift.TFieldRequirementType.REQUIRED, 
        new org.apache.thrift.meta_data.ListMetaData(org.apache.thrift.protocol.TType.LIST, 
            new org.apache.thrift.meta_data.StructMetaData(org.apache.thrift.protocol.TType.STRUCT, ColumnChunk.class))));
    tmpMap.put(_Fields.TOTAL_BYTE_SIZE, new org.apache.thrift.meta_data.FieldMetaData("total_byte_size", org.apache.thrift.TFieldRequirementType.REQUIRED, 
        new org.apache.thrift.meta_data.FieldValueMetaData(org.apache.thrift.protocol.TType.I64)));
    tmpMap.put(_Fields.NUM_ROWS, new org.apache.thrift.meta_data.FieldMetaData("num_rows", org.apache.thrift.TFieldRequirementType.REQUIRED, 
        new org.apache.thrift.meta_data.FieldValueMetaData(org.apache.thrift.protocol.TType.I64)));
    tmpMap.put(_Fields.SORTING_COLUMNS, new org.apache.thrift.meta_data.FieldMetaData("sorting_columns", org.apache.thrift.TFieldRequirementType.OPTIONAL, 
        new org.apache.thrift.meta_data.ListMetaData(org.apache.thrift.protocol.TType.LIST, 
            new org.apache.thrift.meta_data.StructMetaData(org.apache.thrift.protocol.TType.STRUCT, SortingColumn.class))));
    metaDataMap = Collections.unmodifiableMap(tmpMap);
    org.apache.thrift.meta_data.FieldMetaData.addStructMetaDataMap(RowGroup.class, metaDataMap);
  }

  public RowGroup() {
  }

  public RowGroup(
    List columns,
    long total_byte_size,
    long num_rows)
  {
    this();
    this.columns = columns;
    this.total_byte_size = total_byte_size;
    setTotal_byte_sizeIsSet(true);
    this.num_rows = num_rows;
    setNum_rowsIsSet(true);
  }

  /**
   * Performs a deep copy on other.
   */
  public RowGroup(RowGroup other) {
    __isset_bitfield = other.__isset_bitfield;
    if (other.isSetColumns()) {
      List __this__columns = new ArrayList(other.columns.size());
      for (ColumnChunk other_element : other.columns) {
        __this__columns.add(new ColumnChunk(other_element));
      }
      this.columns = __this__columns;
    }
    this.total_byte_size = other.total_byte_size;
    this.num_rows = other.num_rows;
    if (other.isSetSorting_columns()) {
      List __this__sorting_columns = new ArrayList(other.sorting_columns.size());
      for (SortingColumn other_element : other.sorting_columns) {
        __this__sorting_columns.add(new SortingColumn(other_element));
      }
      this.sorting_columns = __this__sorting_columns;
    }
  }

  public RowGroup deepCopy() {
    return new RowGroup(this);
  }

  @Override
  public void clear() {
    this.columns = null;
    setTotal_byte_sizeIsSet(false);
    this.total_byte_size = 0;
    setNum_rowsIsSet(false);
    this.num_rows = 0;
    this.sorting_columns = null;
  }

  public int getColumnsSize() {
    return (this.columns == null) ? 0 : this.columns.size();
  }

  public java.util.Iterator getColumnsIterator() {
    return (this.columns == null) ? null : this.columns.iterator();
  }

  public void addToColumns(ColumnChunk elem) {
    if (this.columns == null) {
      this.columns = new ArrayList();
    }
    this.columns.add(elem);
  }

  /**
   * Metadata for each column chunk in this row group.
   * This list must have the same order as the SchemaElement list in FileMetaData.
   * 
   */
  public List getColumns() {
    return this.columns;
  }

  /**
   * Metadata for each column chunk in this row group.
   * This list must have the same order as the SchemaElement list in FileMetaData.
   * 
   */
  public RowGroup setColumns(List columns) {
    this.columns = columns;
    return this;
  }

  public void unsetColumns() {
    this.columns = null;
  }

  /** Returns true if field columns is set (has been assigned a value) and false otherwise */
  public boolean isSetColumns() {
    return this.columns != null;
  }

  public void setColumnsIsSet(boolean value) {
    if (!value) {
      this.columns = null;
    }
  }

  /**
   * Total byte size of all the uncompressed column data in this row group *
   */
  public long getTotal_byte_size() {
    return this.total_byte_size;
  }

  /**
   * Total byte size of all the uncompressed column data in this row group *
   */
  public RowGroup setTotal_byte_size(long total_byte_size) {
    this.total_byte_size = total_byte_size;
    setTotal_byte_sizeIsSet(true);
    return this;
  }

  public void unsetTotal_byte_size() {
    __isset_bitfield = EncodingUtils.clearBit(__isset_bitfield, __TOTAL_BYTE_SIZE_ISSET_ID);
  }

  /** Returns true if field total_byte_size is set (has been assigned a value) and false otherwise */
  public boolean isSetTotal_byte_size() {
    return EncodingUtils.testBit(__isset_bitfield, __TOTAL_BYTE_SIZE_ISSET_ID);
  }

  public void setTotal_byte_sizeIsSet(boolean value) {
    __isset_bitfield = EncodingUtils.setBit(__isset_bitfield, __TOTAL_BYTE_SIZE_ISSET_ID, value);
  }

  /**
   * Number of rows in this row group *
   */
  public long getNum_rows() {
    return this.num_rows;
  }

  /**
   * Number of rows in this row group *
   */
  public RowGroup setNum_rows(long num_rows) {
    this.num_rows = num_rows;
    setNum_rowsIsSet(true);
    return this;
  }

  public void unsetNum_rows() {
    __isset_bitfield = EncodingUtils.clearBit(__isset_bitfield, __NUM_ROWS_ISSET_ID);
  }

  /** Returns true if field num_rows is set (has been assigned a value) and false otherwise */
  public boolean isSetNum_rows() {
    return EncodingUtils.testBit(__isset_bitfield, __NUM_ROWS_ISSET_ID);
  }

  public void setNum_rowsIsSet(boolean value) {
    __isset_bitfield = EncodingUtils.setBit(__isset_bitfield, __NUM_ROWS_ISSET_ID, value);
  }

  public int getSorting_columnsSize() {
    return (this.sorting_columns == null) ? 0 : this.sorting_columns.size();
  }

  public java.util.Iterator getSorting_columnsIterator() {
    return (this.sorting_columns == null) ? null : this.sorting_columns.iterator();
  }

  public void addToSorting_columns(SortingColumn elem) {
    if (this.sorting_columns == null) {
      this.sorting_columns = new ArrayList();
    }
    this.sorting_columns.add(elem);
  }

  /**
   * If set, specifies a sort ordering of the rows in this RowGroup.
   * The sorting columns can be a subset of all the columns.
   */
  public List getSorting_columns() {
    return this.sorting_columns;
  }

  /**
   * If set, specifies a sort ordering of the rows in this RowGroup.
   * The sorting columns can be a subset of all the columns.
   */
  public RowGroup setSorting_columns(List sorting_columns) {
    this.sorting_columns = sorting_columns;
    return this;
  }

  public void unsetSorting_columns() {
    this.sorting_columns = null;
  }

  /** Returns true if field sorting_columns is set (has been assigned a value) and false otherwise */
  public boolean isSetSorting_columns() {
    return this.sorting_columns != null;
  }

  public void setSorting_columnsIsSet(boolean value) {
    if (!value) {
      this.sorting_columns = null;
    }
  }

  public void setFieldValue(_Fields field, Object value) {
    switch (field) {
    case COLUMNS:
      if (value == null) {
        unsetColumns();
      } else {
        setColumns((List)value);
      }
      break;

    case TOTAL_BYTE_SIZE:
      if (value == null) {
        unsetTotal_byte_size();
      } else {
        setTotal_byte_size((Long)value);
      }
      break;

    case NUM_ROWS:
      if (value == null) {
        unsetNum_rows();
      } else {
        setNum_rows((Long)value);
      }
      break;

    case SORTING_COLUMNS:
      if (value == null) {
        unsetSorting_columns();
      } else {
        setSorting_columns((List)value);
      }
      break;

    }
  }

  public Object getFieldValue(_Fields field) {
    switch (field) {
    case COLUMNS:
      return getColumns();

    case TOTAL_BYTE_SIZE:
      return getTotal_byte_size();

    case NUM_ROWS:
      return getNum_rows();

    case SORTING_COLUMNS:
      return getSorting_columns();

    }
    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 COLUMNS:
      return isSetColumns();
    case TOTAL_BYTE_SIZE:
      return isSetTotal_byte_size();
    case NUM_ROWS:
      return isSetNum_rows();
    case SORTING_COLUMNS:
      return isSetSorting_columns();
    }
    throw new IllegalStateException();
  }

  @Override
  public boolean equals(Object that) {
    if (that == null)
      return false;
    if (that instanceof RowGroup)
      return this.equals((RowGroup)that);
    return false;
  }

  public boolean equals(RowGroup that) {
    if (that == null)
      return false;

    boolean this_present_columns = true && this.isSetColumns();
    boolean that_present_columns = true && that.isSetColumns();
    if (this_present_columns || that_present_columns) {
      if (!(this_present_columns && that_present_columns))
        return false;
      if (!this.columns.equals(that.columns))
        return false;
    }

    boolean this_present_total_byte_size = true;
    boolean that_present_total_byte_size = true;
    if (this_present_total_byte_size || that_present_total_byte_size) {
      if (!(this_present_total_byte_size && that_present_total_byte_size))
        return false;
      if (this.total_byte_size != that.total_byte_size)
        return false;
    }

    boolean this_present_num_rows = true;
    boolean that_present_num_rows = true;
    if (this_present_num_rows || that_present_num_rows) {
      if (!(this_present_num_rows && that_present_num_rows))
        return false;
      if (this.num_rows != that.num_rows)
        return false;
    }

    boolean this_present_sorting_columns = true && this.isSetSorting_columns();
    boolean that_present_sorting_columns = true && that.isSetSorting_columns();
    if (this_present_sorting_columns || that_present_sorting_columns) {
      if (!(this_present_sorting_columns && that_present_sorting_columns))
        return false;
      if (!this.sorting_columns.equals(that.sorting_columns))
        return false;
    }

    return true;
  }

  @Override
  public int hashCode() {
    List list = new ArrayList();

    boolean present_columns = true && (isSetColumns());
    list.add(present_columns);
    if (present_columns)
      list.add(columns);

    boolean present_total_byte_size = true;
    list.add(present_total_byte_size);
    if (present_total_byte_size)
      list.add(total_byte_size);

    boolean present_num_rows = true;
    list.add(present_num_rows);
    if (present_num_rows)
      list.add(num_rows);

    boolean present_sorting_columns = true && (isSetSorting_columns());
    list.add(present_sorting_columns);
    if (present_sorting_columns)
      list.add(sorting_columns);

    return list.hashCode();
  }

  @Override
  public int compareTo(RowGroup other) {
    if (!getClass().equals(other.getClass())) {
      return getClass().getName().compareTo(other.getClass().getName());
    }

    int lastComparison = 0;

    lastComparison = Boolean.valueOf(isSetColumns()).compareTo(other.isSetColumns());
    if (lastComparison != 0) {
      return lastComparison;
    }
    if (isSetColumns()) {
      lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.columns, other.columns);
      if (lastComparison != 0) {
        return lastComparison;
      }
    }
    lastComparison = Boolean.valueOf(isSetTotal_byte_size()).compareTo(other.isSetTotal_byte_size());
    if (lastComparison != 0) {
      return lastComparison;
    }
    if (isSetTotal_byte_size()) {
      lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.total_byte_size, other.total_byte_size);
      if (lastComparison != 0) {
        return lastComparison;
      }
    }
    lastComparison = Boolean.valueOf(isSetNum_rows()).compareTo(other.isSetNum_rows());
    if (lastComparison != 0) {
      return lastComparison;
    }
    if (isSetNum_rows()) {
      lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.num_rows, other.num_rows);
      if (lastComparison != 0) {
        return lastComparison;
      }
    }
    lastComparison = Boolean.valueOf(isSetSorting_columns()).compareTo(other.isSetSorting_columns());
    if (lastComparison != 0) {
      return lastComparison;
    }
    if (isSetSorting_columns()) {
      lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.sorting_columns, other.sorting_columns);
      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 {
    schemes.get(iprot.getScheme()).getScheme().read(iprot, this);
  }

  public void write(org.apache.thrift.protocol.TProtocol oprot) throws org.apache.thrift.TException {
    schemes.get(oprot.getScheme()).getScheme().write(oprot, this);
  }

  @Override
  public String toString() {
    StringBuilder sb = new StringBuilder("RowGroup(");
    boolean first = true;

    sb.append("columns:");
    if (this.columns == null) {
      sb.append("null");
    } else {
      sb.append(this.columns);
    }
    first = false;
    if (!first) sb.append(", ");
    sb.append("total_byte_size:");
    sb.append(this.total_byte_size);
    first = false;
    if (!first) sb.append(", ");
    sb.append("num_rows:");
    sb.append(this.num_rows);
    first = false;
    if (isSetSorting_columns()) {
      if (!first) sb.append(", ");
      sb.append("sorting_columns:");
      if (this.sorting_columns == null) {
        sb.append("null");
      } else {
        sb.append(this.sorting_columns);
      }
      first = false;
    }
    sb.append(")");
    return sb.toString();
  }

  public void validate() throws org.apache.thrift.TException {
    // check for required fields
    if (columns == null) {
      throw new org.apache.thrift.protocol.TProtocolException("Required field 'columns' was not present! Struct: " + toString());
    }
    // alas, we cannot check 'total_byte_size' because it's a primitive and you chose the non-beans generator.
    // alas, we cannot check 'num_rows' because it's a primitive and you chose the non-beans generator.
    // check for sub-struct validity
  }

  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_bitfield = 0;
      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);
    }
  }

  private static class RowGroupStandardSchemeFactory implements SchemeFactory {
    public RowGroupStandardScheme getScheme() {
      return new RowGroupStandardScheme();
    }
  }

  private static class RowGroupStandardScheme extends StandardScheme {

    public void read(org.apache.thrift.protocol.TProtocol iprot, RowGroup struct) throws org.apache.thrift.TException {
      org.apache.thrift.protocol.TField schemeField;
      iprot.readStructBegin();
      while (true)
      {
        schemeField = iprot.readFieldBegin();
        if (schemeField.type == org.apache.thrift.protocol.TType.STOP) { 
          break;
        }
        switch (schemeField.id) {
          case 1: // COLUMNS
            if (schemeField.type == org.apache.thrift.protocol.TType.LIST) {
              {
                org.apache.thrift.protocol.TList _list32 = iprot.readListBegin();
                struct.columns = new ArrayList(_list32.size);
                ColumnChunk _elem33;
                for (int _i34 = 0; _i34 < _list32.size; ++_i34)
                {
                  _elem33 = new ColumnChunk();
                  _elem33.read(iprot);
                  struct.columns.add(_elem33);
                }
                iprot.readListEnd();
              }
              struct.setColumnsIsSet(true);
            } else { 
              org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
            }
            break;
          case 2: // TOTAL_BYTE_SIZE
            if (schemeField.type == org.apache.thrift.protocol.TType.I64) {
              struct.total_byte_size = iprot.readI64();
              struct.setTotal_byte_sizeIsSet(true);
            } else { 
              org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
            }
            break;
          case 3: // NUM_ROWS
            if (schemeField.type == org.apache.thrift.protocol.TType.I64) {
              struct.num_rows = iprot.readI64();
              struct.setNum_rowsIsSet(true);
            } else { 
              org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
            }
            break;
          case 4: // SORTING_COLUMNS
            if (schemeField.type == org.apache.thrift.protocol.TType.LIST) {
              {
                org.apache.thrift.protocol.TList _list35 = iprot.readListBegin();
                struct.sorting_columns = new ArrayList(_list35.size);
                SortingColumn _elem36;
                for (int _i37 = 0; _i37 < _list35.size; ++_i37)
                {
                  _elem36 = new SortingColumn();
                  _elem36.read(iprot);
                  struct.sorting_columns.add(_elem36);
                }
                iprot.readListEnd();
              }
              struct.setSorting_columnsIsSet(true);
            } else { 
              org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
            }
            break;
          default:
            org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
        }
        iprot.readFieldEnd();
      }
      iprot.readStructEnd();

      // check for required fields of primitive type, which can't be checked in the validate method
      if (!struct.isSetTotal_byte_size()) {
        throw new org.apache.thrift.protocol.TProtocolException("Required field 'total_byte_size' was not found in serialized data! Struct: " + toString());
      }
      if (!struct.isSetNum_rows()) {
        throw new org.apache.thrift.protocol.TProtocolException("Required field 'num_rows' was not found in serialized data! Struct: " + toString());
      }
      struct.validate();
    }

    public void write(org.apache.thrift.protocol.TProtocol oprot, RowGroup struct) throws org.apache.thrift.TException {
      struct.validate();

      oprot.writeStructBegin(STRUCT_DESC);
      if (struct.columns != null) {
        oprot.writeFieldBegin(COLUMNS_FIELD_DESC);
        {
          oprot.writeListBegin(new org.apache.thrift.protocol.TList(org.apache.thrift.protocol.TType.STRUCT, struct.columns.size()));
          for (ColumnChunk _iter38 : struct.columns)
          {
            _iter38.write(oprot);
          }
          oprot.writeListEnd();
        }
        oprot.writeFieldEnd();
      }
      oprot.writeFieldBegin(TOTAL_BYTE_SIZE_FIELD_DESC);
      oprot.writeI64(struct.total_byte_size);
      oprot.writeFieldEnd();
      oprot.writeFieldBegin(NUM_ROWS_FIELD_DESC);
      oprot.writeI64(struct.num_rows);
      oprot.writeFieldEnd();
      if (struct.sorting_columns != null) {
        if (struct.isSetSorting_columns()) {
          oprot.writeFieldBegin(SORTING_COLUMNS_FIELD_DESC);
          {
            oprot.writeListBegin(new org.apache.thrift.protocol.TList(org.apache.thrift.protocol.TType.STRUCT, struct.sorting_columns.size()));
            for (SortingColumn _iter39 : struct.sorting_columns)
            {
              _iter39.write(oprot);
            }
            oprot.writeListEnd();
          }
          oprot.writeFieldEnd();
        }
      }
      oprot.writeFieldStop();
      oprot.writeStructEnd();
    }

  }

  private static class RowGroupTupleSchemeFactory implements SchemeFactory {
    public RowGroupTupleScheme getScheme() {
      return new RowGroupTupleScheme();
    }
  }

  private static class RowGroupTupleScheme extends TupleScheme {

    @Override
    public void write(org.apache.thrift.protocol.TProtocol prot, RowGroup struct) throws org.apache.thrift.TException {
      TTupleProtocol oprot = (TTupleProtocol) prot;
      {
        oprot.writeI32(struct.columns.size());
        for (ColumnChunk _iter40 : struct.columns)
        {
          _iter40.write(oprot);
        }
      }
      oprot.writeI64(struct.total_byte_size);
      oprot.writeI64(struct.num_rows);
      BitSet optionals = new BitSet();
      if (struct.isSetSorting_columns()) {
        optionals.set(0);
      }
      oprot.writeBitSet(optionals, 1);
      if (struct.isSetSorting_columns()) {
        {
          oprot.writeI32(struct.sorting_columns.size());
          for (SortingColumn _iter41 : struct.sorting_columns)
          {
            _iter41.write(oprot);
          }
        }
      }
    }

    @Override
    public void read(org.apache.thrift.protocol.TProtocol prot, RowGroup struct) throws org.apache.thrift.TException {
      TTupleProtocol iprot = (TTupleProtocol) prot;
      {
        org.apache.thrift.protocol.TList _list42 = new org.apache.thrift.protocol.TList(org.apache.thrift.protocol.TType.STRUCT, iprot.readI32());
        struct.columns = new ArrayList(_list42.size);
        ColumnChunk _elem43;
        for (int _i44 = 0; _i44 < _list42.size; ++_i44)
        {
          _elem43 = new ColumnChunk();
          _elem43.read(iprot);
          struct.columns.add(_elem43);
        }
      }
      struct.setColumnsIsSet(true);
      struct.total_byte_size = iprot.readI64();
      struct.setTotal_byte_sizeIsSet(true);
      struct.num_rows = iprot.readI64();
      struct.setNum_rowsIsSet(true);
      BitSet incoming = iprot.readBitSet(1);
      if (incoming.get(0)) {
        {
          org.apache.thrift.protocol.TList _list45 = new org.apache.thrift.protocol.TList(org.apache.thrift.protocol.TType.STRUCT, iprot.readI32());
          struct.sorting_columns = new ArrayList(_list45.size);
          SortingColumn _elem46;
          for (int _i47 = 0; _i47 < _list45.size; ++_i47)
          {
            _elem46 = new SortingColumn();
            _elem46.read(iprot);
            struct.sorting_columns.add(_elem46);
          }
        }
        struct.setSorting_columnsIsSet(true);
      }
    }
  }

}

    
    
    
    

    




    
    
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