[38/51] [partial] hive git commit: HIVE-12442: Refactor/repackage HiveServer2's Thrift code so that it can be used in the tasks (Rohit Dholakia reviewed by Vaibhav Gumashta)

[vg...@apache.org]

http://git-wip-us.apache.org/repos/asf/hive/blob/2542f5cc/service-rpc/src/gen/thrift/gen-javabean/org/apache/hive/service/rpc/thrift/TGetCatalogsResp.java
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diff --git a/service-rpc/src/gen/thrift/gen-javabean/org/apache/hive/service/rpc/thrift/TGetCatalogsResp.java b/service-rpc/src/gen/thrift/gen-javabean/org/apache/hive/service/rpc/thrift/TGetCatalogsResp.java
new file mode 100644
index 0000000..adeb3ab
--- /dev/null
+++ b/service-rpc/src/gen/thrift/gen-javabean/org/apache/hive/service/rpc/thrift/TGetCatalogsResp.java
@@ -0,0 +1,509 @@
+/**
+ * Autogenerated by Thrift Compiler (0.9.2)
+ *
+ * DO NOT EDIT UNLESS YOU ARE SURE THAT YOU KNOW WHAT YOU ARE DOING
+ *  @generated
+ */
+package org.apache.hive.service.rpc.thrift;
+
+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 (0.9.2)", date = "2015-12-14")
+public class TGetCatalogsResp implements org.apache.thrift.TBase<TGetCatalogsResp, TGetCatalogsResp._Fields>, java.io.Serializable, Cloneable, Comparable<TGetCatalogsResp> {
+  private static final org.apache.thrift.protocol.TStruct STRUCT_DESC = new org.apache.thrift.protocol.TStruct("TGetCatalogsResp");
+
+  private static final org.apache.thrift.protocol.TField STATUS_FIELD_DESC = new org.apache.thrift.protocol.TField("status", org.apache.thrift.protocol.TType.STRUCT, (short)1);
+  private static final org.apache.thrift.protocol.TField OPERATION_HANDLE_FIELD_DESC = new org.apache.thrift.protocol.TField("operationHandle", org.apache.thrift.protocol.TType.STRUCT, (short)2);
+
+  private static final Map<Class<? extends IScheme>, SchemeFactory> schemes = new HashMap<Class<? extends IScheme>, SchemeFactory>();
+  static {
+    schemes.put(StandardScheme.class, new TGetCatalogsRespStandardSchemeFactory());
+    schemes.put(TupleScheme.class, new TGetCatalogsRespTupleSchemeFactory());
+  }
+
+  private TStatus status; // required
+  private TOperationHandle operationHandle; // 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 {
+    STATUS((short)1, "status"),
+    OPERATION_HANDLE((short)2, "operationHandle");
+
+    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: // STATUS
+          return STATUS;
+        case 2: // OPERATION_HANDLE
+          return OPERATION_HANDLE;
+        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 _Fields optionals[] = {_Fields.OPERATION_HANDLE};
+  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.STATUS, new org.apache.thrift.meta_data.FieldMetaData("status", org.apache.thrift.TFieldRequirementType.REQUIRED, 
+        new org.apache.thrift.meta_data.StructMetaData(org.apache.thrift.protocol.TType.STRUCT, TStatus.class)));
+    tmpMap.put(_Fields.OPERATION_HANDLE, new org.apache.thrift.meta_data.FieldMetaData("operationHandle", org.apache.thrift.TFieldRequirementType.OPTIONAL, 
+        new org.apache.thrift.meta_data.StructMetaData(org.apache.thrift.protocol.TType.STRUCT, TOperationHandle.class)));
+    metaDataMap = Collections.unmodifiableMap(tmpMap);
+    org.apache.thrift.meta_data.FieldMetaData.addStructMetaDataMap(TGetCatalogsResp.class, metaDataMap);
+  }
+
+  public TGetCatalogsResp() {
+  }
+
+  public TGetCatalogsResp(
+    TStatus status)
+  {
+    this();
+    this.status = status;
+  }
+
+  /**
+   * Performs a deep copy on <i>other</i>.
+   */
+  public TGetCatalogsResp(TGetCatalogsResp other) {
+    if (other.isSetStatus()) {
+      this.status = new TStatus(other.status);
+    }
+    if (other.isSetOperationHandle()) {
+      this.operationHandle = new TOperationHandle(other.operationHandle);
+    }
+  }
+
+  public TGetCatalogsResp deepCopy() {
+    return new TGetCatalogsResp(this);
+  }
+
+  @Override
+  public void clear() {
+    this.status = null;
+    this.operationHandle = null;
+  }
+
+  public TStatus getStatus() {
+    return this.status;
+  }
+
+  public void setStatus(TStatus status) {
+    this.status = status;
+  }
+
+  public void unsetStatus() {
+    this.status = null;
+  }
+
+  /** Returns true if field status is set (has been assigned a value) and false otherwise */
+  public boolean isSetStatus() {
+    return this.status != null;
+  }
+
+  public void setStatusIsSet(boolean value) {
+    if (!value) {
+      this.status = null;
+    }
+  }
+
+  public TOperationHandle getOperationHandle() {
+    return this.operationHandle;
+  }
+
+  public void setOperationHandle(TOperationHandle operationHandle) {
+    this.operationHandle = operationHandle;
+  }
+
+  public void unsetOperationHandle() {
+    this.operationHandle = null;
+  }
+
+  /** Returns true if field operationHandle is set (has been assigned a value) and false otherwise */
+  public boolean isSetOperationHandle() {
+    return this.operationHandle != null;
+  }
+
+  public void setOperationHandleIsSet(boolean value) {
+    if (!value) {
+      this.operationHandle = null;
+    }
+  }
+
+  public void setFieldValue(_Fields field, Object value) {
+    switch (field) {
+    case STATUS:
+      if (value == null) {
+        unsetStatus();
+      } else {
+        setStatus((TStatus)value);
+      }
+      break;
+
+    case OPERATION_HANDLE:
+      if (value == null) {
+        unsetOperationHandle();
+      } else {
+        setOperationHandle((TOperationHandle)value);
+      }
+      break;
+
+    }
+  }
+
+  public Object getFieldValue(_Fields field) {
+    switch (field) {
+    case STATUS:
+      return getStatus();
+
+    case OPERATION_HANDLE:
+      return getOperationHandle();
+
+    }
+    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 STATUS:
+      return isSetStatus();
+    case OPERATION_HANDLE:
+      return isSetOperationHandle();
+    }
+    throw new IllegalStateException();
+  }
+
+  @Override
+  public boolean equals(Object that) {
+    if (that == null)
+      return false;
+    if (that instanceof TGetCatalogsResp)
+      return this.equals((TGetCatalogsResp)that);
+    return false;
+  }
+
+  public boolean equals(TGetCatalogsResp that) {
+    if (that == null)
+      return false;
+
+    boolean this_present_status = true && this.isSetStatus();
+    boolean that_present_status = true && that.isSetStatus();
+    if (this_present_status || that_present_status) {
+      if (!(this_present_status && that_present_status))
+        return false;
+      if (!this.status.equals(that.status))
+        return false;
+    }
+
+    boolean this_present_operationHandle = true && this.isSetOperationHandle();
+    boolean that_present_operationHandle = true && that.isSetOperationHandle();
+    if (this_present_operationHandle || that_present_operationHandle) {
+      if (!(this_present_operationHandle && that_present_operationHandle))
+        return false;
+      if (!this.operationHandle.equals(that.operationHandle))
+        return false;
+    }
+
+    return true;
+  }
+
+  @Override
+  public int hashCode() {
+    List<Object> list = new ArrayList<Object>();
+
+    boolean present_status = true && (isSetStatus());
+    list.add(present_status);
+    if (present_status)
+      list.add(status);
+
+    boolean present_operationHandle = true && (isSetOperationHandle());
+    list.add(present_operationHandle);
+    if (present_operationHandle)
+      list.add(operationHandle);
+
+    return list.hashCode();
+  }
+
+  @Override
+  public int compareTo(TGetCatalogsResp other) {
+    if (!getClass().equals(other.getClass())) {
+      return getClass().getName().compareTo(other.getClass().getName());
+    }
+
+    int lastComparison = 0;
+
+    lastComparison = Boolean.valueOf(isSetStatus()).compareTo(other.isSetStatus());
+    if (lastComparison != 0) {
+      return lastComparison;
+    }
+    if (isSetStatus()) {
+      lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.status, other.status);
+      if (lastComparison != 0) {
+        return lastComparison;
+      }
+    }
+    lastComparison = Boolean.valueOf(isSetOperationHandle()).compareTo(other.isSetOperationHandle());
+    if (lastComparison != 0) {
+      return lastComparison;
+    }
+    if (isSetOperationHandle()) {
+      lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.operationHandle, other.operationHandle);
+      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("TGetCatalogsResp(");
+    boolean first = true;
+
+    sb.append("status:");
+    if (this.status == null) {
+      sb.append("null");
+    } else {
+      sb.append(this.status);
+    }
+    first = false;
+    if (isSetOperationHandle()) {
+      if (!first) sb.append(", ");
+      sb.append("operationHandle:");
+      if (this.operationHandle == null) {
+        sb.append("null");
+      } else {
+        sb.append(this.operationHandle);
+      }
+      first = false;
+    }
+    sb.append(")");
+    return sb.toString();
+  }
+
+  public void validate() throws org.apache.thrift.TException {
+    // check for required fields
+    if (!isSetStatus()) {
+      throw new org.apache.thrift.protocol.TProtocolException("Required field 'status' is unset! Struct:" + toString());
+    }
+
+    // check for sub-struct validity
+    if (status != null) {
+      status.validate();
+    }
+    if (operationHandle != null) {
+      operationHandle.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 TGetCatalogsRespStandardSchemeFactory implements SchemeFactory {
+    public TGetCatalogsRespStandardScheme getScheme() {
+      return new TGetCatalogsRespStandardScheme();
+    }
+  }
+
+  private static class TGetCatalogsRespStandardScheme extends StandardScheme<TGetCatalogsResp> {
+
+    public void read(org.apache.thrift.protocol.TProtocol iprot, TGetCatalogsResp 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: // STATUS
+            if (schemeField.type == org.apache.thrift.protocol.TType.STRUCT) {
+              struct.status = new TStatus();
+              struct.status.read(iprot);
+              struct.setStatusIsSet(true);
+            } else { 
+              org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
+            }
+            break;
+          case 2: // OPERATION_HANDLE
+            if (schemeField.type == org.apache.thrift.protocol.TType.STRUCT) {
+              struct.operationHandle = new TOperationHandle();
+              struct.operationHandle.read(iprot);
+              struct.setOperationHandleIsSet(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, TGetCatalogsResp struct) throws org.apache.thrift.TException {
+      struct.validate();
+
+      oprot.writeStructBegin(STRUCT_DESC);
+      if (struct.status != null) {
+        oprot.writeFieldBegin(STATUS_FIELD_DESC);
+        struct.status.write(oprot);
+        oprot.writeFieldEnd();
+      }
+      if (struct.operationHandle != null) {
+        if (struct.isSetOperationHandle()) {
+          oprot.writeFieldBegin(OPERATION_HANDLE_FIELD_DESC);
+          struct.operationHandle.write(oprot);
+          oprot.writeFieldEnd();
+        }
+      }
+      oprot.writeFieldStop();
+      oprot.writeStructEnd();
+    }
+
+  }
+
+  private static class TGetCatalogsRespTupleSchemeFactory implements SchemeFactory {
+    public TGetCatalogsRespTupleScheme getScheme() {
+      return new TGetCatalogsRespTupleScheme();
+    }
+  }
+
+  private static class TGetCatalogsRespTupleScheme extends TupleScheme<TGetCatalogsResp> {
+
+    @Override
+    public void write(org.apache.thrift.protocol.TProtocol prot, TGetCatalogsResp struct) throws org.apache.thrift.TException {
+      TTupleProtocol oprot = (TTupleProtocol) prot;
+      struct.status.write(oprot);
+      BitSet optionals = new BitSet();
+      if (struct.isSetOperationHandle()) {
+        optionals.set(0);
+      }
+      oprot.writeBitSet(optionals, 1);
+      if (struct.isSetOperationHandle()) {
+        struct.operationHandle.write(oprot);
+      }
+    }
+
+    @Override
+    public void read(org.apache.thrift.protocol.TProtocol prot, TGetCatalogsResp struct) throws org.apache.thrift.TException {
+      TTupleProtocol iprot = (TTupleProtocol) prot;
+      struct.status = new TStatus();
+      struct.status.read(iprot);
+      struct.setStatusIsSet(true);
+      BitSet incoming = iprot.readBitSet(1);
+      if (incoming.get(0)) {
+        struct.operationHandle = new TOperationHandle();
+        struct.operationHandle.read(iprot);
+        struct.setOperationHandleIsSet(true);
+      }
+    }
+  }
+
+}
+

http://git-wip-us.apache.org/repos/asf/hive/blob/2542f5cc/service-rpc/src/gen/thrift/gen-javabean/org/apache/hive/service/rpc/thrift/TGetColumnsReq.java
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diff --git a/service-rpc/src/gen/thrift/gen-javabean/org/apache/hive/service/rpc/thrift/TGetColumnsReq.java b/service-rpc/src/gen/thrift/gen-javabean/org/apache/hive/service/rpc/thrift/TGetColumnsReq.java
new file mode 100644
index 0000000..a9b2495
--- /dev/null
+++ b/service-rpc/src/gen/thrift/gen-javabean/org/apache/hive/service/rpc/thrift/TGetColumnsReq.java
@@ -0,0 +1,822 @@
+/**
+ * Autogenerated by Thrift Compiler (0.9.2)
+ *
+ * DO NOT EDIT UNLESS YOU ARE SURE THAT YOU KNOW WHAT YOU ARE DOING
+ *  @generated
+ */
+package org.apache.hive.service.rpc.thrift;
+
+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 (0.9.2)", date = "2015-12-14")
+public class TGetColumnsReq implements org.apache.thrift.TBase<TGetColumnsReq, TGetColumnsReq._Fields>, java.io.Serializable, Cloneable, Comparable<TGetColumnsReq> {
+  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 static final _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() {
+    List<Object> list = new ArrayList<Object>();
+
+    boolean present_sessionHandle = true && (isSetSessionHandle());
+    list.add(present_sessionHandle);
+    if (present_sessionHandle)
+      list.add(sessionHandle);
+
+    boolean present_catalogName = true && (isSetCatalogName());
+    list.add(present_catalogName);
+    if (present_catalogName)
+      list.add(catalogName);
+
+    boolean present_schemaName = true && (isSetSchemaName());
+    list.add(present_schemaName);
+    if (present_schemaName)
+      list.add(schemaName);
+
+    boolean present_tableName = true && (isSetTableName());
+    list.add(present_tableName);
+    if (present_tableName)
+      list.add(tableName);
+
+    boolean present_columnName = true && (isSetColumnName());
+    list.add(present_columnName);
+    if (present_columnName)
+      list.add(columnName);
+
+    return list.hashCode();
+  }
+
+  @Override
+  public int compareTo(TGetColumnsReq other) {
+    if (!getClass().equals(other.getClass())) {
+      return getClass().getName().compareTo(other.getClass().getName());
+    }
+
+    int lastComparison = 0;
+
+    lastComparison = Boolean.valueOf(isSetSessionHandle()).compareTo(other.isSetSessionHandle());
+    if (lastComparison != 0) {
+      return lastComparison;
+    }
+    if (isSetSessionHandle()) {
+      lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.sessionHandle, other.sessionHandle);
+      if (lastComparison != 0) {
+        return lastComparison;
+      }
+    }
+    lastComparison = Boolean.valueOf(isSetCatalogName()).compareTo(other.isSetCatalogName());
+    if (lastComparison != 0) {
+      return lastComparison;
+    }
+    if (isSetCatalogName()) {
+      lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.catalogName, other.catalogName);
+      if (lastComparison != 0) {
+        return lastComparison;
+      }
+    }
+    lastComparison = Boolean.valueOf(isSetSchemaName()).compareTo(other.isSetSchemaName());
+    if (lastComparison != 0) {
+      return lastComparison;
+    }
+    if (isSetSchemaName()) {
+      lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.schemaName, other.schemaName);
+      if (lastComparison != 0) {
+        return lastComparison;
+      }
+    }
+    lastComparison = Boolean.valueOf(isSetTableName()).compareTo(other.isSetTableName());
+    if (lastComparison != 0) {
+      return lastComparison;
+    }
+    if (isSetTableName()) {
+      lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.tableName, other.tableName);
+      if (lastComparison != 0) {
+        return lastComparison;
+      }
+    }
+    lastComparison = Boolean.valueOf(isSetColumnName()).compareTo(other.isSetColumnName());
+    if (lastComparison != 0) {
+      return lastComparison;
+    }
+    if (isSetColumnName()) {
+      lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.columnName, other.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);
+      }
+    }
+  }
+
+}
+

http://git-wip-us.apache.org/repos/asf/hive/blob/2542f5cc/service-rpc/src/gen/thrift/gen-javabean/org/apache/hive/service/rpc/thrift/TGetColumnsResp.java
----------------------------------------------------------------------
diff --git a/service-rpc/src/gen/thrift/gen-javabean/org/apache/hive/service/rpc/thrift/TGetColumnsResp.java b/service-rpc/src/gen/thrift/gen-javabean/org/apache/hive/service/rpc/thrift/TGetColumnsResp.java
new file mode 100644
index 0000000..600cadc
--- /dev/null
+++ b/service-rpc/src/gen/thrift/gen-javabean/org/apache/hive/service/rpc/thrift/TGetColumnsResp.java
@@ -0,0 +1,509 @@
+/**
+ * Autogenerated by Thrift Compiler (0.9.2)
+ *
+ * DO NOT EDIT UNLESS YOU ARE SURE THAT YOU KNOW WHAT YOU ARE DOING
+ *  @generated
+ */
+package org.apache.hive.service.rpc.thrift;
+
+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 (0.9.2)", date = "2015-12-14")
+public class TGetColumnsResp implements org.apache.thrift.TBase<TGetColumnsResp, TGetColumnsResp._Fields>, java.io.Serializable, Cloneable, Comparable<TGetColumnsResp> {
+  private static final org.apache.thrift.protocol.TStruct STRUCT_DESC = new org.apache.thrift.protocol.TStruct("TGetColumnsResp");
+
+  private static final org.apache.thrift.protocol.TField STATUS_FIELD_DESC = new org.apache.thrift.protocol.TField("status", org.apache.thrift.protocol.TType.STRUCT, (short)1);
+  private static final org.apache.thrift.protocol.TField OPERATION_HANDLE_FIELD_DESC = new org.apache.thrift.protocol.TField("operationHandle", org.apache.thrift.protocol.TType.STRUCT, (short)2);
+
+  private static final Map<Class<? extends IScheme>, SchemeFactory> schemes = new HashMap<Class<? extends IScheme>, SchemeFactory>();
+  static {
+    schemes.put(StandardScheme.class, new TGetColumnsRespStandardSchemeFactory());
+    schemes.put(TupleScheme.class, new TGetColumnsRespTupleSchemeFactory());
+  }
+
+  private TStatus status; // required
+  private TOperationHandle operationHandle; // 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 {
+    STATUS((short)1, "status"),
+    OPERATION_HANDLE((short)2, "operationHandle");
+
+    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: // STATUS
+          return STATUS;
+        case 2: // OPERATION_HANDLE
+          return OPERATION_HANDLE;
+        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 _Fields optionals[] = {_Fields.OPERATION_HANDLE};
+  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.STATUS, new org.apache.thrift.meta_data.FieldMetaData("status", org.apache.thrift.TFieldRequirementType.REQUIRED, 
+        new org.apache.thrift.meta_data.StructMetaData(org.apache.thrift.protocol.TType.STRUCT, TStatus.class)));
+    tmpMap.put(_Fields.OPERATION_HANDLE, new org.apache.thrift.meta_data.FieldMetaData("operationHandle", org.apache.thrift.TFieldRequirementType.OPTIONAL, 
+        new org.apache.thrift.meta_data.StructMetaData(org.apache.thrift.protocol.TType.STRUCT, TOperationHandle.class)));
+    metaDataMap = Collections.unmodifiableMap(tmpMap);
+    org.apache.thrift.meta_data.FieldMetaData.addStructMetaDataMap(TGetColumnsResp.class, metaDataMap);
+  }
+
+  public TGetColumnsResp() {
+  }
+
+  public TGetColumnsResp(
+    TStatus status)
+  {
+    this();
+    this.status = status;
+  }
+
+  /**
+   * Performs a deep copy on <i>other</i>.
+   */
+  public TGetColumnsResp(TGetColumnsResp other) {
+    if (other.isSetStatus()) {
+      this.status = new TStatus(other.status);
+    }
+    if (other.isSetOperationHandle()) {
+      this.operationHandle = new TOperationHandle(other.operationHandle);
+    }
+  }
+
+  public TGetColumnsResp deepCopy() {
+    return new TGetColumnsResp(this);
+  }
+
+  @Override
+  public void clear() {
+    this.status = null;
+    this.operationHandle = null;
+  }
+
+  public TStatus getStatus() {
+    return this.status;
+  }
+
+  public void setStatus(TStatus status) {
+    this.status = status;
+  }
+
+  public void unsetStatus() {
+    this.status = null;
+  }
+
+  /** Returns true if field status is set (has been assigned a value) and false otherwise */
+  public boolean isSetStatus() {
+    return this.status != null;
+  }
+
+  public void setStatusIsSet(boolean value) {
+    if (!value) {
+      this.status = null;
+    }
+  }
+
+  public TOperationHandle getOperationHandle() {
+    return this.operationHandle;
+  }
+
+  public void setOperationHandle(TOperationHandle operationHandle) {
+    this.operationHandle = operationHandle;
+  }
+
+  public void unsetOperationHandle() {
+    this.operationHandle = null;
+  }
+
+  /** Returns true if field operationHandle is set (has been assigned a value) and false otherwise */
+  public boolean isSetOperationHandle() {
+    return this.operationHandle != null;
+  }
+
+  public void setOperationHandleIsSet(boolean value) {
+    if (!value) {
+      this.operationHandle = null;
+    }
+  }
+
+  public void setFieldValue(_Fields field, Object value) {
+    switch (field) {
+    case STATUS:
+      if (value == null) {
+        unsetStatus();
+      } else {
+        setStatus((TStatus)value);
+      }
+      break;
+
+    case OPERATION_HANDLE:
+      if (value == null) {
+        unsetOperationHandle();
+      } else {
+        setOperationHandle((TOperationHandle)value);
+      }
+      break;
+
+    }
+  }
+
+  public Object getFieldValue(_Fields field) {
+    switch (field) {
+    case STATUS:
+      return getStatus();
+
+    case OPERATION_HANDLE:
+      return getOperationHandle();
+
+    }
+    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 STATUS:
+      return isSetStatus();
+    case OPERATION_HANDLE:
+      return isSetOperationHandle();
+    }
+    throw new IllegalStateException();
+  }
+
+  @Override
+  public boolean equals(Object that) {
+    if (that == null)
+      return false;
+    if (that instanceof TGetColumnsResp)
+      return this.equals((TGetColumnsResp)that);
+    return false;
+  }
+
+  public boolean equals(TGetColumnsResp that) {
+    if (that == null)
+      return false;
+
+    boolean this_present_status = true && this.isSetStatus();
+    boolean that_present_status = true && that.isSetStatus();
+    if (this_present_status || that_present_status) {
+      if (!(this_present_status && that_present_status))
+        return false;
+      if (!this.status.equals(that.status))
+        return false;
+    }
+
+    boolean this_present_operationHandle = true && this.isSetOperationHandle();
+    boolean that_present_operationHandle = true && that.isSetOperationHandle();
+    if (this_present_operationHandle || that_present_operationHandle) {
+      if (!(this_present_operationHandle && that_present_operationHandle))
+        return false;
+      if (!this.operationHandle.equals(that.operationHandle))
+        return false;
+    }
+
+    return true;
+  }
+
+  @Override
+  public int hashCode() {
+    List<Object> list = new ArrayList<Object>();
+
+    boolean present_status = true && (isSetStatus());
+    list.add(present_status);
+    if (present_status)
+      list.add(status);
+
+    boolean present_operationHandle = true && (isSetOperationHandle());
+    list.add(present_operationHandle);
+    if (present_operationHandle)
+      list.add(operationHandle);
+
+    return list.hashCode();
+  }
+
+  @Override
+  public int compareTo(TGetColumnsResp other) {
+    if (!getClass().equals(other.getClass())) {
+      return getClass().getName().compareTo(other.getClass().getName());
+    }
+
+    int lastComparison = 0;
+
+    lastComparison = Boolean.valueOf(isSetStatus()).compareTo(other.isSetStatus());
+    if (lastComparison != 0) {
+      return lastComparison;
+    }
+    if (isSetStatus()) {
+      lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.status, other.status);
+      if (lastComparison != 0) {
+        return lastComparison;
+      }
+    }
+    lastComparison = Boolean.valueOf(isSetOperationHandle()).compareTo(other.isSetOperationHandle());
+    if (lastComparison != 0) {
+      return lastComparison;
+    }
+    if (isSetOperationHandle()) {
+      lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.operationHandle, other.operationHandle);
+      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("TGetColumnsResp(");
+    boolean first = true;
+
+    sb.append("status:");
+    if (this.status == null) {
+      sb.append("null");
+    } else {
+      sb.append(this.status);
+    }
+    first = false;
+    if (isSetOperationHandle()) {
+      if (!first) sb.append(", ");
+      sb.append("operationHandle:");
+      if (this.operationHandle == null) {
+        sb.append("null");
+      } else {
+        sb.append(this.operationHandle);
+      }
+      first = false;
+    }
+    sb.append(")");
+    return sb.toString();
+  }
+
+  public void validate() throws org.apache.thrift.TException {
+    // check for required fields
+    if (!isSetStatus()) {
+      throw new org.apache.thrift.protocol.TProtocolException("Required field 'status' is unset! Struct:" + toString());
+    }
+
+    // check for sub-struct validity
+    if (status != null) {
+      status.validate();
+    }
+    if (operationHandle != null) {
+      operationHandle.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 TGetColumnsRespStandardSchemeFactory implements SchemeFactory {
+    public TGetColumnsRespStandardScheme getScheme() {
+      return new TGetColumnsRespStandardScheme();
+    }
+  }
+
+  private static class TGetColumnsRespStandardScheme extends StandardScheme<TGetColumnsResp> {
+
+    public void read(org.apache.thrift.protocol.TProtocol iprot, TGetColumnsResp 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: // STATUS
+            if (schemeField.type == org.apache.thrift.protocol.TType.STRUCT) {
+              struct.status = new TStatus();
+              struct.status.read(iprot);
+              struct.setStatusIsSet(true);
+            } else { 
+              org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
+            }
+            break;
+          case 2: // OPERATION_HANDLE
+            if (schemeField.type == org.apache.thrift.protocol.TType.STRUCT) {
+              struct.operationHandle = new TOperationHandle();
+              struct.operationHandle.read(iprot);
+              struct.setOperationHandleIsSet(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, TGetColumnsResp struct) throws org.apache.thrift.TException {
+      struct.validate();
+
+      oprot.writeStructBegin(STRUCT_DESC);
+      if (struct.status != null) {
+        oprot.writeFieldBegin(STATUS_FIELD_DESC);
+        struct.status.write(oprot);
+        oprot.writeFieldEnd();
+      }
+      if (struct.operationHandle != null) {
+        if (struct.isSetOperationHandle()) {
+          oprot.writeFieldBegin(OPERATION_HANDLE_FIELD_DESC);
+          struct.operationHandle.write(oprot);
+          oprot.writeFieldEnd();
+        }
+      }
+      oprot.writeFieldStop();
+      oprot.writeStructEnd();
+    }
+
+  }
+
+  private static class TGetColumnsRespTupleSchemeFactory implements SchemeFactory {
+    public TGetColumnsRespTupleScheme getScheme() {
+      return new TGetColumnsRespTupleScheme();
+    }
+  }
+
+  private static class TGetColumnsRespTupleScheme extends TupleScheme<TGetColumnsResp> {
+
+    @Override
+    public void write(org.apache.thrift.protocol.TProtocol prot, TGetColumnsResp struct) throws org.apache.thrift.TException {
+      TTupleProtocol oprot = (TTupleProtocol) prot;
+      struct.status.write(oprot);
+      BitSet optionals = new BitSet();
+      if (struct.isSetOperationHandle()) {
+        optionals.set(0);
+      }
+      oprot.writeBitSet(optionals, 1);
+      if (struct.isSetOperationHandle()) {
+        struct.operationHandle.write(oprot);
+      }
+    }
+
+    @Override
+    public void read(org.apache.thrift.protocol.TProtocol prot, TGetColumnsResp struct) throws org.apache.thrift.TException {
+      TTupleProtocol iprot = (TTupleProtocol) prot;
+      struct.status = new TStatus();
+      struct.status.read(iprot);
+      struct.setStatusIsSet(true);
+      BitSet incoming = iprot.readBitSet(1);
+      if (incoming.get(0)) {
+        struct.operationHandle = new TOperationHandle();
+        struct.operationHandle.read(iprot);
+        struct.setOperationHandleIsSet(true);
+      }
+    }
+  }
+
+}
+

http://git-wip-us.apache.org/repos/asf/hive/blob/2542f5cc/service-rpc/src/gen/thrift/gen-javabean/org/apache/hive/service/rpc/thrift/TGetDelegationTokenReq.java
----------------------------------------------------------------------
diff --git a/service-rpc/src/gen/thrift/gen-javabean/org/apache/hive/service/rpc/thrift/TGetDelegationTokenReq.java b/service-rpc/src/gen/thrift/gen-javabean/org/apache/hive/service/rpc/thrift/TGetDelegationTokenReq.java
new file mode 100644
index 0000000..31bd595
--- /dev/null
+++ b/service-rpc/src/gen/thrift/gen-javabean/org/apache/hive/service/rpc/thrift/TGetDelegationTokenReq.java
@@ -0,0 +1,596 @@
+/**
+ * Autogenerated by Thrift Compiler (0.9.2)
+ *
+ * DO NOT EDIT UNLESS YOU ARE SURE THAT YOU KNOW WHAT YOU ARE DOING
+ *  @generated
+ */
+package org.apache.hive.service.rpc.thrift;
+
+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 (0.9.2)", date = "2015-12-14")
+public class TGetDelegationTokenReq implements org.apache.thrift.TBase<TGetDelegationTokenReq, TGetDelegationTokenReq._Fields>, java.io.Serializable, Cloneable, Comparable<TGetDelegationTokenReq> {
+  private static final org.apache.thrift.protocol.TStruct STRUCT_DESC = new org.apache.thrift.protocol.TStruct("TGetDelegationTokenReq");
+
+  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 OWNER_FIELD_DESC = new org.apache.thrift.protocol.TField("owner", org.apache.thrift.protocol.TType.STRING, (short)2);
+  private static final org.apache.thrift.protocol.TField RENEWER_FIELD_DESC = new org.apache.thrift.protocol.TField("renewer", org.apache.thrift.protocol.TType.STRING, (short)3);
+
+  private static final Map<Class<? extends IScheme>, SchemeFactory> schemes = new HashMap<Class<? extends IScheme>, SchemeFactory>();
+  static {
+    schemes.put(StandardScheme.class, new TGetDelegationTokenReqStandardSchemeFactory());
+    schemes.put(TupleScheme.class, new TGetDelegationTokenReqTupleSchemeFactory());
+  }
+
+  private TSessionHandle sessionHandle; // required
+  private String owner; // required
+  private String renewer; // 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 {
+    SESSION_HANDLE((short)1, "sessionHandle"),
+    OWNER((short)2, "owner"),
+    RENEWER((short)3, "renewer");
+
+    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: // OWNER
+          return OWNER;
+        case 3: // RENEWER
+          return RENEWER;
+        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
+  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.OWNER, new org.apache.thrift.meta_data.FieldMetaData("owner", org.apache.thrift.TFieldRequirementType.REQUIRED, 
+        new org.apache.thrift.meta_data.FieldValueMetaData(org.apache.thrift.protocol.TType.STRING)));
+    tmpMap.put(_Fields.RENEWER, new org.apache.thrift.meta_data.FieldMetaData("renewer", org.apache.thrift.TFieldRequirementType.REQUIRED, 
+        new org.apache.thrift.meta_data.FieldValueMetaData(org.apache.thrift.protocol.TType.STRING)));
+    metaDataMap = Collections.unmodifiableMap(tmpMap);
+    org.apache.thrift.meta_data.FieldMetaData.addStructMetaDataMap(TGetDelegationTokenReq.class, metaDataMap);
+  }
+
+  public TGetDelegationTokenReq() {
+  }
+
+  public TGetDelegationTokenReq(
+    TSessionHandle sessionHandle,
+    String owner,
+    String renewer)
+  {
+    this();
+    this.sessionHandle = sessionHandle;
+    this.owner = owner;
+    this.renewer = renewer;
+  }
+
+  /**
+   * Performs a deep copy on <i>other</i>.
+   */
+  public TGetDelegationTokenReq(TGetDelegationTokenReq other) {
+    if (other.isSetSessionHandle()) {
+      this.sessionHandle = new TSessionHandle(other.sessionHandle);
+    }
+    if (other.isSetOwner()) {
+      this.owner = other.owner;
+    }
+    if (other.isSetRenewer()) {
+      this.renewer = other.renewer;
+    }
+  }
+
+  public TGetDelegationTokenReq deepCopy() {
+    return new TGetDelegationTokenReq(this);
+  }
+
+  @Override
+  public void clear() {
+    this.sessionHandle = null;
+    this.owner = null;
+    this.renewer = 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 getOwner() {
+    return this.owner;
+  }
+
+  public void setOwner(String owner) {
+    this.owner = owner;
+  }
+
+  public void unsetOwner() {
+    this.owner = null;
+  }
+
+  /** Returns true if field owner is set (has been assigned a value) and false otherwise */
+  public boolean isSetOwner() {
+    return this.owner != null;
+  }
+
+  public void setOwnerIsSet(boolean value) {
+    if (!value) {
+      this.owner = null;
+    }
+  }
+
+  public String getRenewer() {
+    return this.renewer;
+  }
+
+  public void setRenewer(String renewer) {
+    this.renewer = renewer;
+  }
+
+  public void unsetRenewer() {
+    this.renewer = null;
+  }
+
+  /** Returns true if field renewer is set (has been assigned a value) and false otherwise */
+  public boolean isSetRenewer() {
+    return this.renewer != null;
+  }
+
+  public void setRenewerIsSet(boolean value) {
+    if (!value) {
+      this.renewer = null;
+    }
+  }
+
+  public void setFieldValue(_Fields field, Object value) {
+    switch (field) {
+    case SESSION_HANDLE:
+      if (value == null) {
+        unsetSessionHandle();
+      } else {
+        setSessionHandle((TSessionHandle)value);
+      }
+      break;
+
+    case OWNER:
+      if (value == null) {
+        unsetOwner();
+      } else {
+        setOwner((String)value);
+      }
+      break;
+
+    case RENEWER:
+      if (value == null) {
+        unsetRenewer();
+      } else {
+        setRenewer((String)value);
+      }
+      break;
+
+    }
+  }
+
+  public Object getFieldValue(_Fields field) {
+    switch (field) {
+    case SESSION_HANDLE:
+      return getSessionHandle();
+
+    case OWNER:
+      return getOwner();
+
+    case RENEWER:
+      return getRenewer();
+
+    }
+    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 OWNER:
+      return isSetOwner();
+    case RENEWER:
+      return isSetRenewer();
+    }
+    throw new IllegalStateException();
+  }
+
+  @Override
+  public boolean equals(Object that) {
+    if (that == null)
+      return false;
+    if (that instanceof TGetDelegationTokenReq)
+      return this.equals((TGetDelegationTokenReq)that);
+    return false;
+  }
+
+  public boolean equals(TGetDelegationTokenReq 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_owner = true && this.isSetOwner();
+    boolean that_present_owner = true && that.isSetOwner();
+    if (this_present_owner || that_present_owner) {
+      if (!(this_present_owner && that_present_owner))
+        return false;
+      if (!this.owner.equals(that.owner))
+        return false;
+    }
+
+    boolean this_present_renewer = true && this.isSetRenewer();
+    boolean that_present_renewer = true && that.isSetRenewer();
+    if (this_present_renewer || that_present_renewer) {
+      if (!(this_present_renewer && that_present_renewer))
+        return false;
+      if (!this.renewer.equals(that.renewer))
+        return false;
+    }
+
+    return true;
+  }
+
+  @Override
+  public int hashCode() {
+    List<Object> list = new ArrayList<Object>();
+
+    boolean present_sessionHandle = true && (isSetSessionHandle());
+    list.add(present_sessionHandle);
+    if (present_sessionHandle)
+      list.add(sessionHandle);
+
+    boolean present_owner = true && (isSetOwner());
+    list.add(present_owner);
+    if (present_owner)
+      list.add(owner);
+
+    boolean present_renewer = true && (isSetRenewer());
+    list.add(present_renewer);
+    if (present_renewer)
+      list.add(renewer);
+
+    return list.hashCode();
+  }
+
+  @Override
+  public int compareTo(TGetDelegationTokenReq other) {
+    if (!getClass().equals(other.getClass())) {
+      return getClass().getName().compareTo(other.getClass().getName());
+    }
+
+    int lastComparison = 0;
+
+    lastComparison = Boolean.valueOf(isSetSessionHandle()).compareTo(other.isSetSessionHandle());
+    if (lastComparison != 0) {
+      return lastComparison;
+    }
+    if (isSetSessionHandle()) {
+      lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.sessionHandle, other.sessionHandle);
+      if (lastComparison != 0) {
+        return lastComparison;
+      }
+    }
+    lastComparison = Boolean.valueOf(isSetOwner()).compareTo(other.isSetOwner());
+    if (lastComparison != 0) {
+      return lastComparison;
+    }
+    if (isSetOwner()) {
+      lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.owner, other.owner);
+      if (lastComparison != 0) {
+        return lastComparison;
+      }
+    }
+    lastComparison = Boolean.valueOf(isSetRenewer()).compareTo(other.isSetRenewer());
+    if (lastComparison != 0) {
+      return lastComparison;
+    }
+    if (isSetRenewer()) {
+      lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.renewer, other.renewer);
+      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("TGetDelegationTokenReq(");
+    boolean first = true;
+
+    sb.append("sessionHandle:");
+    if (this.sessionHandle == null) {
+      sb.append("null");
+    } else {
+      sb.append(this.sessionHandle);
+    }
+    first = false;
+    if (!first) sb.append(", ");
+    sb.append("owner:");
+    if (this.owner == null) {
+      sb.append("null");
+    } else {
+      sb.append(this.owner);
+    }
+    first = false;
+    if (!first) sb.append(", ");
+    sb.append("renewer:");
+    if (this.renewer == null) {
+      sb.append("null");
+    } else {
+      sb.append(this.renewer);
+    }
+    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());
+    }
+
+    if (!isSetOwner()) {
+      throw new org.apache.thrift.protocol.TProtocolException("Required field 'owner' is unset! Struct:" + toString());
+    }
+
+    if (!isSetRenewer()) {
+      throw new org.apache.thrift.protocol.TProtocolException("Required field 'renewer' 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 TGetDelegationTokenReqStandardSchemeFactory implements SchemeFactory {
+    public TGetDelegationTokenReqStandardScheme getScheme() {
+      return new TGetDelegationTokenReqStandardScheme();
+    }
+  }
+
+  private static class TGetDelegationTokenReqStandardScheme extends StandardScheme<TGetDelegationTokenReq> {
+
+    public void read(org.apache.thrift.protocol.TProtocol iprot, TGetDelegationTokenReq 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: // OWNER
+            if (schemeField.type == org.apache.thrift.protocol.TType.STRING) {
+              struct.owner = iprot.readString();
+              struct.setOwnerIsSet(true);
+            } else { 
+              org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
+            }
+            break;
+          case 3: // RENEWER
+            if (schemeField.type == org.apache.thrift.protocol.TType.STRING) {
+              struct.renewer = iprot.readString();
+              struct.setRenewerIsSet(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, TGetDelegationTokenReq 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.owner != null) {
+        oprot.writeFieldBegin(OWNER_FIELD_DESC);
+        oprot.writeString(struct.owner);
+        oprot.writeFieldEnd();
+      }
+      if (struct.renewer != null) {
+        oprot.writeFieldBegin(RENEWER_FIELD_DESC);
+        oprot.writeString(struct.renewer);
+        oprot.writeFieldEnd();
+      }
+      oprot.writeFieldStop();
+      oprot.writeStructEnd();
+    }
+
+  }
+
+  private static class TGetDelegationTokenReqTupleSchemeFactory implements SchemeFactory {
+    public TGetDelegationTokenReqTupleScheme getScheme() {
+      return new TGetDelegationTokenReqTupleScheme();
+    }
+  }
+
+  private static class TGetDelegationTokenReqTupleScheme extends TupleScheme<TGetDelegationTokenReq> {
+
+    @Override
+    public void write(org.apache.thrift.protocol.TProtocol prot, TGetDelegationTokenReq struct) throws org.apache.thrift.TException {
+      TTupleProtocol oprot = (TTupleProtocol) prot;
+      struct.sessionHandle.write(oprot);
+      oprot.writeString(struct.owner);
+      oprot.writeString(struct.renewer);
+    }
+
+    @Override
+    public void read(org.apache.thrift.protocol.TProtocol prot, TGetDelegationTokenReq struct) throws org.apache.thrift.TException {
+      TTupleProtocol iprot = (TTupleProtocol) prot;
+      struct.sessionHandle = new TSessionHandle();
+      struct.sessionHandle.read(iprot);
+      struct.setSessionHandleIsSet(true);
+      struct.owner = iprot.readString();
+      struct.setOwnerIsSet(true);
+      struct.renewer = iprot.readString();
+      struct.setRenewerIsSet(true);
+    }
+  }
+
+}
+