/**
 * Autogenerated by Thrift Compiler (0.9.0)
 *
 * DO NOT EDIT UNLESS YOU ARE SURE THAT YOU KNOW WHAT YOU ARE DOING
 *  @generated
 */
package org.apache.hive.service.cli.thrift;

import org.apache.commons.lang.builder.HashCodeBuilder;
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 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;

public class TGetColumnsReq implements org.apache.thrift.TBase<TGetColumnsReq, TGetColumnsReq._Fields>, java.io.Serializable, Cloneable {
  private static final org.apache.thrift.protocol.TStruct STRUCT_DESC = new org.apache.thrift.protocol.TStruct("TGetColumnsReq");

  private static final org.apache.thrift.protocol.TField SESSION_HANDLE_FIELD_DESC = new org.apache.thrift.protocol.TField("sessionHandle", org.apache.thrift.protocol.TType.STRUCT, (short)1);
  private static final org.apache.thrift.protocol.TField CATALOG_NAME_FIELD_DESC = new org.apache.thrift.protocol.TField("catalogName", org.apache.thrift.protocol.TType.STRING, (short)2);
  private static final org.apache.thrift.protocol.TField SCHEMA_NAME_FIELD_DESC = new org.apache.thrift.protocol.TField("schemaName", org.apache.thrift.protocol.TType.STRING, (short)3);
  private static final org.apache.thrift.protocol.TField TABLE_NAME_FIELD_DESC = new org.apache.thrift.protocol.TField("tableName", org.apache.thrift.protocol.TType.STRING, (short)4);
  private static final org.apache.thrift.protocol.TField COLUMN_NAME_FIELD_DESC = new org.apache.thrift.protocol.TField("columnName", org.apache.thrift.protocol.TType.STRING, (short)5);

  private static final Map<Class<? extends IScheme>, SchemeFactory> schemes = new HashMap<Class<? extends IScheme>, SchemeFactory>();
  static {
    schemes.put(StandardScheme.class, new TGetColumnsReqStandardSchemeFactory());
    schemes.put(TupleScheme.class, new TGetColumnsReqTupleSchemeFactory());
  }

  private TSessionHandle sessionHandle; // required
  private String catalogName; // optional
  private String schemaName; // optional
  private String tableName; // optional
  private String columnName; // 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 {
    SESSION_HANDLE((short)1, "sessionHandle"),
    CATALOG_NAME((short)2, "catalogName"),
    SCHEMA_NAME((short)3, "schemaName"),
    TABLE_NAME((short)4, "tableName"),
    COLUMN_NAME((short)5, "columnName");

    private static final Map<String, _Fields> byName = new HashMap<String, _Fields>();

    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: // SESSION_HANDLE
          return SESSION_HANDLE;
        case 2: // CATALOG_NAME
          return CATALOG_NAME;
        case 3: // SCHEMA_NAME
          return SCHEMA_NAME;
        case 4: // TABLE_NAME
          return TABLE_NAME;
        case 5: // COLUMN_NAME
          return COLUMN_NAME;
        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 _Fields optionals[] = {_Fields.CATALOG_NAME,_Fields.SCHEMA_NAME,_Fields.TABLE_NAME,_Fields.COLUMN_NAME};
  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.SESSION_HANDLE, new org.apache.thrift.meta_data.FieldMetaData("sessionHandle", org.apache.thrift.TFieldRequirementType.REQUIRED, 
        new org.apache.thrift.meta_data.StructMetaData(org.apache.thrift.protocol.TType.STRUCT, TSessionHandle.class)));
    tmpMap.put(_Fields.CATALOG_NAME, new org.apache.thrift.meta_data.FieldMetaData("catalogName", org.apache.thrift.TFieldRequirementType.OPTIONAL, 
        new org.apache.thrift.meta_data.FieldValueMetaData(org.apache.thrift.protocol.TType.STRING        , "TIdentifier")));
    tmpMap.put(_Fields.SCHEMA_NAME, new org.apache.thrift.meta_data.FieldMetaData("schemaName", org.apache.thrift.TFieldRequirementType.OPTIONAL, 
        new org.apache.thrift.meta_data.FieldValueMetaData(org.apache.thrift.protocol.TType.STRING        , "TPatternOrIdentifier")));
    tmpMap.put(_Fields.TABLE_NAME, new org.apache.thrift.meta_data.FieldMetaData("tableName", org.apache.thrift.TFieldRequirementType.OPTIONAL, 
        new org.apache.thrift.meta_data.FieldValueMetaData(org.apache.thrift.protocol.TType.STRING        , "TPatternOrIdentifier")));
    tmpMap.put(_Fields.COLUMN_NAME, new org.apache.thrift.meta_data.FieldMetaData("columnName", org.apache.thrift.TFieldRequirementType.OPTIONAL, 
        new org.apache.thrift.meta_data.FieldValueMetaData(org.apache.thrift.protocol.TType.STRING        , "TPatternOrIdentifier")));
    metaDataMap = Collections.unmodifiableMap(tmpMap);
    org.apache.thrift.meta_data.FieldMetaData.addStructMetaDataMap(TGetColumnsReq.class, metaDataMap);
  }

  public TGetColumnsReq() {
  }

  public TGetColumnsReq(
    TSessionHandle sessionHandle)
  {
    this();
    this.sessionHandle = sessionHandle;
  }

  /**
   * Performs a deep copy on <i>other</i>.
   */
  public TGetColumnsReq(TGetColumnsReq other) {
    if (other.isSetSessionHandle()) {
      this.sessionHandle = new TSessionHandle(other.sessionHandle);
    }
    if (other.isSetCatalogName()) {
      this.catalogName = other.catalogName;
    }
    if (other.isSetSchemaName()) {
      this.schemaName = other.schemaName;
    }
    if (other.isSetTableName()) {
      this.tableName = other.tableName;
    }
    if (other.isSetColumnName()) {
      this.columnName = other.columnName;
    }
  }

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

  @Override
  public void clear() {
    this.sessionHandle = null;
    this.catalogName = null;
    this.schemaName = null;
    this.tableName = null;
    this.columnName = null;
  }

  public TSessionHandle getSessionHandle() {
    return this.sessionHandle;
  }

  public void setSessionHandle(TSessionHandle sessionHandle) {
    this.sessionHandle = sessionHandle;
  }

  public void unsetSessionHandle() {
    this.sessionHandle = null;
  }

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

  public void setSessionHandleIsSet(boolean value) {
    if (!value) {
      this.sessionHandle = null;
    }
  }

  public String getCatalogName() {
    return this.catalogName;
  }

  public void setCatalogName(String catalogName) {
    this.catalogName = catalogName;
  }

  public void unsetCatalogName() {
    this.catalogName = null;
  }

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

  public void setCatalogNameIsSet(boolean value) {
    if (!value) {
      this.catalogName = null;
    }
  }

  public String getSchemaName() {
    return this.schemaName;
  }

  public void setSchemaName(String schemaName) {
    this.schemaName = schemaName;
  }

  public void unsetSchemaName() {
    this.schemaName = null;
  }

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

  public void setSchemaNameIsSet(boolean value) {
    if (!value) {
      this.schemaName = null;
    }
  }

  public String getTableName() {
    return this.tableName;
  }

  public void setTableName(String tableName) {
    this.tableName = tableName;
  }

  public void unsetTableName() {
    this.tableName = null;
  }

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

  public void setTableNameIsSet(boolean value) {
    if (!value) {
      this.tableName = null;
    }
  }

  public String getColumnName() {
    return this.columnName;
  }

  public void setColumnName(String columnName) {
    this.columnName = columnName;
  }

  public void unsetColumnName() {
    this.columnName = null;
  }

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

  public void setColumnNameIsSet(boolean value) {
    if (!value) {
      this.columnName = null;
    }
  }

  public void setFieldValue(_Fields field, Object value) {
    switch (field) {
    case SESSION_HANDLE:
      if (value == null) {
        unsetSessionHandle();
      } else {
        setSessionHandle((TSessionHandle)value);
      }
      break;

    case CATALOG_NAME:
      if (value == null) {
        unsetCatalogName();
      } else {
        setCatalogName((String)value);
      }
      break;

    case SCHEMA_NAME:
      if (value == null) {
        unsetSchemaName();
      } else {
        setSchemaName((String)value);
      }
      break;

    case TABLE_NAME:
      if (value == null) {
        unsetTableName();
      } else {
        setTableName((String)value);
      }
      break;

    case COLUMN_NAME:
      if (value == null) {
        unsetColumnName();
      } else {
        setColumnName((String)value);
      }
      break;

    }
  }

  public Object getFieldValue(_Fields field) {
    switch (field) {
    case SESSION_HANDLE:
      return getSessionHandle();

    case CATALOG_NAME:
      return getCatalogName();

    case SCHEMA_NAME:
      return getSchemaName();

    case TABLE_NAME:
      return getTableName();

    case COLUMN_NAME:
      return getColumnName();

    }
    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 SESSION_HANDLE:
      return isSetSessionHandle();
    case CATALOG_NAME:
      return isSetCatalogName();
    case SCHEMA_NAME:
      return isSetSchemaName();
    case TABLE_NAME:
      return isSetTableName();
    case COLUMN_NAME:
      return isSetColumnName();
    }
    throw new IllegalStateException();
  }

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

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

    boolean this_present_sessionHandle = true && this.isSetSessionHandle();
    boolean that_present_sessionHandle = true && that.isSetSessionHandle();
    if (this_present_sessionHandle || that_present_sessionHandle) {
      if (!(this_present_sessionHandle && that_present_sessionHandle))
        return false;
      if (!this.sessionHandle.equals(that.sessionHandle))
        return false;
    }

    boolean this_present_catalogName = true && this.isSetCatalogName();
    boolean that_present_catalogName = true && that.isSetCatalogName();
    if (this_present_catalogName || that_present_catalogName) {
      if (!(this_present_catalogName && that_present_catalogName))
        return false;
      if (!this.catalogName.equals(that.catalogName))
        return false;
    }

    boolean this_present_schemaName = true && this.isSetSchemaName();
    boolean that_present_schemaName = true && that.isSetSchemaName();
    if (this_present_schemaName || that_present_schemaName) {
      if (!(this_present_schemaName && that_present_schemaName))
        return false;
      if (!this.schemaName.equals(that.schemaName))
        return false;
    }

    boolean this_present_tableName = true && this.isSetTableName();
    boolean that_present_tableName = true && that.isSetTableName();
    if (this_present_tableName || that_present_tableName) {
      if (!(this_present_tableName && that_present_tableName))
        return false;
      if (!this.tableName.equals(that.tableName))
        return false;
    }

    boolean this_present_columnName = true && this.isSetColumnName();
    boolean that_present_columnName = true && that.isSetColumnName();
    if (this_present_columnName || that_present_columnName) {
      if (!(this_present_columnName && that_present_columnName))
        return false;
      if (!this.columnName.equals(that.columnName))
        return false;
    }

    return true;
  }

  @Override
  public int hashCode() {
    HashCodeBuilder builder = new HashCodeBuilder();

    boolean present_sessionHandle = true && (isSetSessionHandle());
    builder.append(present_sessionHandle);
    if (present_sessionHandle)
      builder.append(sessionHandle);

    boolean present_catalogName = true && (isSetCatalogName());
    builder.append(present_catalogName);
    if (present_catalogName)
      builder.append(catalogName);

    boolean present_schemaName = true && (isSetSchemaName());
    builder.append(present_schemaName);
    if (present_schemaName)
      builder.append(schemaName);

    boolean present_tableName = true && (isSetTableName());
    builder.append(present_tableName);
    if (present_tableName)
      builder.append(tableName);

    boolean present_columnName = true && (isSetColumnName());
    builder.append(present_columnName);
    if (present_columnName)
      builder.append(columnName);

    return builder.toHashCode();
  }

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

    int lastComparison = 0;
    TGetColumnsReq typedOther = (TGetColumnsReq)other;

    lastComparison = Boolean.valueOf(isSetSessionHandle()).compareTo(typedOther.isSetSessionHandle());
    if (lastComparison != 0) {
      return lastComparison;
    }
    if (isSetSessionHandle()) {
      lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.sessionHandle, typedOther.sessionHandle);
      if (lastComparison != 0) {
        return lastComparison;
      }
    }
    lastComparison = Boolean.valueOf(isSetCatalogName()).compareTo(typedOther.isSetCatalogName());
    if (lastComparison != 0) {
      return lastComparison;
    }
    if (isSetCatalogName()) {
      lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.catalogName, typedOther.catalogName);
      if (lastComparison != 0) {
        return lastComparison;
      }
    }
    lastComparison = Boolean.valueOf(isSetSchemaName()).compareTo(typedOther.isSetSchemaName());
    if (lastComparison != 0) {
      return lastComparison;
    }
    if (isSetSchemaName()) {
      lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.schemaName, typedOther.schemaName);
      if (lastComparison != 0) {
        return lastComparison;
      }
    }
    lastComparison = Boolean.valueOf(isSetTableName()).compareTo(typedOther.isSetTableName());
    if (lastComparison != 0) {
      return lastComparison;
    }
    if (isSetTableName()) {
      lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.tableName, typedOther.tableName);
      if (lastComparison != 0) {
        return lastComparison;
      }
    }
    lastComparison = Boolean.valueOf(isSetColumnName()).compareTo(typedOther.isSetColumnName());
    if (lastComparison != 0) {
      return lastComparison;
    }
    if (isSetColumnName()) {
      lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.columnName, typedOther.columnName);
      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("TGetColumnsReq(");
    boolean first = true;

    sb.append("sessionHandle:");
    if (this.sessionHandle == null) {
      sb.append("null");
    } else {
      sb.append(this.sessionHandle);
    }
    first = false;
    if (isSetCatalogName()) {
      if (!first) sb.append(", ");
      sb.append("catalogName:");
      if (this.catalogName == null) {
        sb.append("null");
      } else {
        sb.append(this.catalogName);
      }
      first = false;
    }
    if (isSetSchemaName()) {
      if (!first) sb.append(", ");
      sb.append("schemaName:");
      if (this.schemaName == null) {
        sb.append("null");
      } else {
        sb.append(this.schemaName);
      }
      first = false;
    }
    if (isSetTableName()) {
      if (!first) sb.append(", ");
      sb.append("tableName:");
      if (this.tableName == null) {
        sb.append("null");
      } else {
        sb.append(this.tableName);
      }
      first = false;
    }
    if (isSetColumnName()) {
      if (!first) sb.append(", ");
      sb.append("columnName:");
      if (this.columnName == null) {
        sb.append("null");
      } else {
        sb.append(this.columnName);
      }
      first = false;
    }
    sb.append(")");
    return sb.toString();
  }

  public void validate() throws org.apache.thrift.TException {
    // check for required fields
    if (!isSetSessionHandle()) {
      throw new org.apache.thrift.protocol.TProtocolException("Required field 'sessionHandle' is unset! Struct:" + toString());
    }

    // check for sub-struct validity
    if (sessionHandle != null) {
      sessionHandle.validate();
    }
  }

  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 {
      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 TGetColumnsReqStandardSchemeFactory implements SchemeFactory {
    public TGetColumnsReqStandardScheme getScheme() {
      return new TGetColumnsReqStandardScheme();
    }
  }

  private static class TGetColumnsReqStandardScheme extends StandardScheme<TGetColumnsReq> {

    public void read(org.apache.thrift.protocol.TProtocol iprot, TGetColumnsReq 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: // SESSION_HANDLE
            if (schemeField.type == org.apache.thrift.protocol.TType.STRUCT) {
              struct.sessionHandle = new TSessionHandle();
              struct.sessionHandle.read(iprot);
              struct.setSessionHandleIsSet(true);
            } else { 
              org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
            }
            break;
          case 2: // CATALOG_NAME
            if (schemeField.type == org.apache.thrift.protocol.TType.STRING) {
              struct.catalogName = iprot.readString();
              struct.setCatalogNameIsSet(true);
            } else { 
              org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
            }
            break;
          case 3: // SCHEMA_NAME
            if (schemeField.type == org.apache.thrift.protocol.TType.STRING) {
              struct.schemaName = iprot.readString();
              struct.setSchemaNameIsSet(true);
            } else { 
              org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
            }
            break;
          case 4: // TABLE_NAME
            if (schemeField.type == org.apache.thrift.protocol.TType.STRING) {
              struct.tableName = iprot.readString();
              struct.setTableNameIsSet(true);
            } else { 
              org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
            }
            break;
          case 5: // COLUMN_NAME
            if (schemeField.type == org.apache.thrift.protocol.TType.STRING) {
              struct.columnName = iprot.readString();
              struct.setColumnNameIsSet(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();
      struct.validate();
    }

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

      oprot.writeStructBegin(STRUCT_DESC);
      if (struct.sessionHandle != null) {
        oprot.writeFieldBegin(SESSION_HANDLE_FIELD_DESC);
        struct.sessionHandle.write(oprot);
        oprot.writeFieldEnd();
      }
      if (struct.catalogName != null) {
        if (struct.isSetCatalogName()) {
          oprot.writeFieldBegin(CATALOG_NAME_FIELD_DESC);
          oprot.writeString(struct.catalogName);
          oprot.writeFieldEnd();
        }
      }
      if (struct.schemaName != null) {
        if (struct.isSetSchemaName()) {
          oprot.writeFieldBegin(SCHEMA_NAME_FIELD_DESC);
          oprot.writeString(struct.schemaName);
          oprot.writeFieldEnd();
        }
      }
      if (struct.tableName != null) {
        if (struct.isSetTableName()) {
          oprot.writeFieldBegin(TABLE_NAME_FIELD_DESC);
          oprot.writeString(struct.tableName);
          oprot.writeFieldEnd();
        }
      }
      if (struct.columnName != null) {
        if (struct.isSetColumnName()) {
          oprot.writeFieldBegin(COLUMN_NAME_FIELD_DESC);
          oprot.writeString(struct.columnName);
          oprot.writeFieldEnd();
        }
      }
      oprot.writeFieldStop();
      oprot.writeStructEnd();
    }

  }

  private static class TGetColumnsReqTupleSchemeFactory implements SchemeFactory {
    public TGetColumnsReqTupleScheme getScheme() {
      return new TGetColumnsReqTupleScheme();
    }
  }

  private static class TGetColumnsReqTupleScheme extends TupleScheme<TGetColumnsReq> {

    @Override
    public void write(org.apache.thrift.protocol.TProtocol prot, TGetColumnsReq struct) throws org.apache.thrift.TException {
      TTupleProtocol oprot = (TTupleProtocol) prot;
      struct.sessionHandle.write(oprot);
      BitSet optionals = new BitSet();
      if (struct.isSetCatalogName()) {
        optionals.set(0);
      }
      if (struct.isSetSchemaName()) {
        optionals.set(1);
      }
      if (struct.isSetTableName()) {
        optionals.set(2);
      }
      if (struct.isSetColumnName()) {
        optionals.set(3);
      }
      oprot.writeBitSet(optionals, 4);
      if (struct.isSetCatalogName()) {
        oprot.writeString(struct.catalogName);
      }
      if (struct.isSetSchemaName()) {
        oprot.writeString(struct.schemaName);
      }
      if (struct.isSetTableName()) {
        oprot.writeString(struct.tableName);
      }
      if (struct.isSetColumnName()) {
        oprot.writeString(struct.columnName);
      }
    }

    @Override
    public void read(org.apache.thrift.protocol.TProtocol prot, TGetColumnsReq struct) throws org.apache.thrift.TException {
      TTupleProtocol iprot = (TTupleProtocol) prot;
      struct.sessionHandle = new TSessionHandle();
      struct.sessionHandle.read(iprot);
      struct.setSessionHandleIsSet(true);
      BitSet incoming = iprot.readBitSet(4);
      if (incoming.get(0)) {
        struct.catalogName = iprot.readString();
        struct.setCatalogNameIsSet(true);
      }
      if (incoming.get(1)) {
        struct.schemaName = iprot.readString();
        struct.setSchemaNameIsSet(true);
      }
      if (incoming.get(2)) {
        struct.tableName = iprot.readString();
        struct.setTableNameIsSet(true);
      }
      if (incoming.get(3)) {
        struct.columnName = iprot.readString();
        struct.setColumnNameIsSet(true);
      }
    }
  }

}

