http://git-wip-us.apache.org/repos/asf/sentry/blob/68949951/sentry-provider/sentry-provider-db/src/gen/thrift/gen-javabean/org/apache/sentry/provider/db/service/thrift/TAlterSentryRoleAddUsersRequest.java
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diff --git 
a/sentry-provider/sentry-provider-db/src/gen/thrift/gen-javabean/org/apache/sentry/provider/db/service/thrift/TAlterSentryRoleAddUsersRequest.java
 
b/sentry-provider/sentry-provider-db/src/gen/thrift/gen-javabean/org/apache/sentry/provider/db/service/thrift/TAlterSentryRoleAddUsersRequest.java
new file mode 100644
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b/sentry-provider/sentry-provider-db/src/gen/thrift/gen-javabean/org/apache/sentry/provider/db/service/thrift/TAlterSentryRoleAddUsersRequest.java
@@ -0,0 +1,740 @@
+/**
+ * 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.sentry.provider.db.service.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 TAlterSentryRoleAddUsersRequest implements 
org.apache.thrift.TBase<TAlterSentryRoleAddUsersRequest, 
TAlterSentryRoleAddUsersRequest._Fields>, java.io.Serializable, Cloneable {
+  private static final org.apache.thrift.protocol.TStruct STRUCT_DESC = new 
org.apache.thrift.protocol.TStruct("TAlterSentryRoleAddUsersRequest");
+
+  private static final org.apache.thrift.protocol.TField 
PROTOCOL_VERSION_FIELD_DESC = new 
org.apache.thrift.protocol.TField("protocol_version", 
org.apache.thrift.protocol.TType.I32, (short)1);
+  private static final org.apache.thrift.protocol.TField 
REQUESTOR_USER_NAME_FIELD_DESC = new 
org.apache.thrift.protocol.TField("requestorUserName", 
org.apache.thrift.protocol.TType.STRING, (short)2);
+  private static final org.apache.thrift.protocol.TField ROLE_NAME_FIELD_DESC 
= new org.apache.thrift.protocol.TField("roleName", 
org.apache.thrift.protocol.TType.STRING, (short)3);
+  private static final org.apache.thrift.protocol.TField USERS_FIELD_DESC = 
new org.apache.thrift.protocol.TField("users", 
org.apache.thrift.protocol.TType.SET, (short)4);
+
+  private static final Map<Class<? extends IScheme>, SchemeFactory> schemes = 
new HashMap<Class<? extends IScheme>, SchemeFactory>();
+  static {
+    schemes.put(StandardScheme.class, new 
TAlterSentryRoleAddUsersRequestStandardSchemeFactory());
+    schemes.put(TupleScheme.class, new 
TAlterSentryRoleAddUsersRequestTupleSchemeFactory());
+  }
+
+  private int protocol_version; // required
+  private String requestorUserName; // required
+  private String roleName; // required
+  private Set<String> users; // 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 {
+    PROTOCOL_VERSION((short)1, "protocol_version"),
+    REQUESTOR_USER_NAME((short)2, "requestorUserName"),
+    ROLE_NAME((short)3, "roleName"),
+    USERS((short)4, "users");
+
+    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: // PROTOCOL_VERSION
+          return PROTOCOL_VERSION;
+        case 2: // REQUESTOR_USER_NAME
+          return REQUESTOR_USER_NAME;
+        case 3: // ROLE_NAME
+          return ROLE_NAME;
+        case 4: // USERS
+          return USERS;
+        default:
+          return null;
+      }
+    }
+
+    /**
+     * Find the _Fields constant that matches fieldId, throwing an exception
+     * if it is not found.
+     */
+    public static _Fields findByThriftIdOrThrow(int fieldId) {
+      _Fields fields = findByThriftId(fieldId);
+      if (fields == null) throw new IllegalArgumentException("Field " + 
fieldId + " doesn't exist!");
+      return fields;
+    }
+
+    /**
+     * Find the _Fields constant that matches name, or null if its not found.
+     */
+    public static _Fields findByName(String name) {
+      return byName.get(name);
+    }
+
+    private final short _thriftId;
+    private final String _fieldName;
+
+    _Fields(short thriftId, String fieldName) {
+      _thriftId = thriftId;
+      _fieldName = fieldName;
+    }
+
+    public short getThriftFieldId() {
+      return _thriftId;
+    }
+
+    public String getFieldName() {
+      return _fieldName;
+    }
+  }
+
+  // isset id assignments
+  private static final int __PROTOCOL_VERSION_ISSET_ID = 0;
+  private byte __isset_bitfield = 0;
+  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.PROTOCOL_VERSION, new 
org.apache.thrift.meta_data.FieldMetaData("protocol_version", 
org.apache.thrift.TFieldRequirementType.REQUIRED, 
+        new 
org.apache.thrift.meta_data.FieldValueMetaData(org.apache.thrift.protocol.TType.I32)));
+    tmpMap.put(_Fields.REQUESTOR_USER_NAME, new 
org.apache.thrift.meta_data.FieldMetaData("requestorUserName", 
org.apache.thrift.TFieldRequirementType.REQUIRED, 
+        new 
org.apache.thrift.meta_data.FieldValueMetaData(org.apache.thrift.protocol.TType.STRING)));
+    tmpMap.put(_Fields.ROLE_NAME, new 
org.apache.thrift.meta_data.FieldMetaData("roleName", 
org.apache.thrift.TFieldRequirementType.REQUIRED, 
+        new 
org.apache.thrift.meta_data.FieldValueMetaData(org.apache.thrift.protocol.TType.STRING)));
+    tmpMap.put(_Fields.USERS, new 
org.apache.thrift.meta_data.FieldMetaData("users", 
org.apache.thrift.TFieldRequirementType.REQUIRED, 
+        new 
org.apache.thrift.meta_data.SetMetaData(org.apache.thrift.protocol.TType.SET, 
+            new 
org.apache.thrift.meta_data.FieldValueMetaData(org.apache.thrift.protocol.TType.STRING))));
+    metaDataMap = Collections.unmodifiableMap(tmpMap);
+    
org.apache.thrift.meta_data.FieldMetaData.addStructMetaDataMap(TAlterSentryRoleAddUsersRequest.class,
 metaDataMap);
+  }
+
+  public TAlterSentryRoleAddUsersRequest() {
+    this.protocol_version = 1;
+
+  }
+
+  public TAlterSentryRoleAddUsersRequest(
+    int protocol_version,
+    String requestorUserName,
+    String roleName,
+    Set<String> users)
+  {
+    this();
+    this.protocol_version = protocol_version;
+    setProtocol_versionIsSet(true);
+    this.requestorUserName = requestorUserName;
+    this.roleName = roleName;
+    this.users = users;
+  }
+
+  /**
+   * Performs a deep copy on <i>other</i>.
+   */
+  public TAlterSentryRoleAddUsersRequest(TAlterSentryRoleAddUsersRequest 
other) {
+    __isset_bitfield = other.__isset_bitfield;
+    this.protocol_version = other.protocol_version;
+    if (other.isSetRequestorUserName()) {
+      this.requestorUserName = other.requestorUserName;
+    }
+    if (other.isSetRoleName()) {
+      this.roleName = other.roleName;
+    }
+    if (other.isSetUsers()) {
+      Set<String> __this__users = new HashSet<String>();
+      for (String other_element : other.users) {
+        __this__users.add(other_element);
+      }
+      this.users = __this__users;
+    }
+  }
+
+  public TAlterSentryRoleAddUsersRequest deepCopy() {
+    return new TAlterSentryRoleAddUsersRequest(this);
+  }
+
+  @Override
+  public void clear() {
+    this.protocol_version = 1;
+
+    this.requestorUserName = null;
+    this.roleName = null;
+    this.users = null;
+  }
+
+  public int getProtocol_version() {
+    return this.protocol_version;
+  }
+
+  public void setProtocol_version(int protocol_version) {
+    this.protocol_version = protocol_version;
+    setProtocol_versionIsSet(true);
+  }
+
+  public void unsetProtocol_version() {
+    __isset_bitfield = EncodingUtils.clearBit(__isset_bitfield, 
__PROTOCOL_VERSION_ISSET_ID);
+  }
+
+  /** Returns true if field protocol_version is set (has been assigned a 
value) and false otherwise */
+  public boolean isSetProtocol_version() {
+    return EncodingUtils.testBit(__isset_bitfield, 
__PROTOCOL_VERSION_ISSET_ID);
+  }
+
+  public void setProtocol_versionIsSet(boolean value) {
+    __isset_bitfield = EncodingUtils.setBit(__isset_bitfield, 
__PROTOCOL_VERSION_ISSET_ID, value);
+  }
+
+  public String getRequestorUserName() {
+    return this.requestorUserName;
+  }
+
+  public void setRequestorUserName(String requestorUserName) {
+    this.requestorUserName = requestorUserName;
+  }
+
+  public void unsetRequestorUserName() {
+    this.requestorUserName = null;
+  }
+
+  /** Returns true if field requestorUserName is set (has been assigned a 
value) and false otherwise */
+  public boolean isSetRequestorUserName() {
+    return this.requestorUserName != null;
+  }
+
+  public void setRequestorUserNameIsSet(boolean value) {
+    if (!value) {
+      this.requestorUserName = null;
+    }
+  }
+
+  public String getRoleName() {
+    return this.roleName;
+  }
+
+  public void setRoleName(String roleName) {
+    this.roleName = roleName;
+  }
+
+  public void unsetRoleName() {
+    this.roleName = null;
+  }
+
+  /** Returns true if field roleName is set (has been assigned a value) and 
false otherwise */
+  public boolean isSetRoleName() {
+    return this.roleName != null;
+  }
+
+  public void setRoleNameIsSet(boolean value) {
+    if (!value) {
+      this.roleName = null;
+    }
+  }
+
+  public int getUsersSize() {
+    return (this.users == null) ? 0 : this.users.size();
+  }
+
+  public java.util.Iterator<String> getUsersIterator() {
+    return (this.users == null) ? null : this.users.iterator();
+  }
+
+  public void addToUsers(String elem) {
+    if (this.users == null) {
+      this.users = new HashSet<String>();
+    }
+    this.users.add(elem);
+  }
+
+  public Set<String> getUsers() {
+    return this.users;
+  }
+
+  public void setUsers(Set<String> users) {
+    this.users = users;
+  }
+
+  public void unsetUsers() {
+    this.users = null;
+  }
+
+  /** Returns true if field users is set (has been assigned a value) and false 
otherwise */
+  public boolean isSetUsers() {
+    return this.users != null;
+  }
+
+  public void setUsersIsSet(boolean value) {
+    if (!value) {
+      this.users = null;
+    }
+  }
+
+  public void setFieldValue(_Fields field, Object value) {
+    switch (field) {
+    case PROTOCOL_VERSION:
+      if (value == null) {
+        unsetProtocol_version();
+      } else {
+        setProtocol_version((Integer)value);
+      }
+      break;
+
+    case REQUESTOR_USER_NAME:
+      if (value == null) {
+        unsetRequestorUserName();
+      } else {
+        setRequestorUserName((String)value);
+      }
+      break;
+
+    case ROLE_NAME:
+      if (value == null) {
+        unsetRoleName();
+      } else {
+        setRoleName((String)value);
+      }
+      break;
+
+    case USERS:
+      if (value == null) {
+        unsetUsers();
+      } else {
+        setUsers((Set<String>)value);
+      }
+      break;
+
+    }
+  }
+
+  public Object getFieldValue(_Fields field) {
+    switch (field) {
+    case PROTOCOL_VERSION:
+      return Integer.valueOf(getProtocol_version());
+
+    case REQUESTOR_USER_NAME:
+      return getRequestorUserName();
+
+    case ROLE_NAME:
+      return getRoleName();
+
+    case USERS:
+      return getUsers();
+
+    }
+    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 PROTOCOL_VERSION:
+      return isSetProtocol_version();
+    case REQUESTOR_USER_NAME:
+      return isSetRequestorUserName();
+    case ROLE_NAME:
+      return isSetRoleName();
+    case USERS:
+      return isSetUsers();
+    }
+    throw new IllegalStateException();
+  }
+
+  @Override
+  public boolean equals(Object that) {
+    if (that == null)
+      return false;
+    if (that instanceof TAlterSentryRoleAddUsersRequest)
+      return this.equals((TAlterSentryRoleAddUsersRequest)that);
+    return false;
+  }
+
+  public boolean equals(TAlterSentryRoleAddUsersRequest that) {
+    if (that == null)
+      return false;
+
+    boolean this_present_protocol_version = true;
+    boolean that_present_protocol_version = true;
+    if (this_present_protocol_version || that_present_protocol_version) {
+      if (!(this_present_protocol_version && that_present_protocol_version))
+        return false;
+      if (this.protocol_version != that.protocol_version)
+        return false;
+    }
+
+    boolean this_present_requestorUserName = true && 
this.isSetRequestorUserName();
+    boolean that_present_requestorUserName = true && 
that.isSetRequestorUserName();
+    if (this_present_requestorUserName || that_present_requestorUserName) {
+      if (!(this_present_requestorUserName && that_present_requestorUserName))
+        return false;
+      if (!this.requestorUserName.equals(that.requestorUserName))
+        return false;
+    }
+
+    boolean this_present_roleName = true && this.isSetRoleName();
+    boolean that_present_roleName = true && that.isSetRoleName();
+    if (this_present_roleName || that_present_roleName) {
+      if (!(this_present_roleName && that_present_roleName))
+        return false;
+      if (!this.roleName.equals(that.roleName))
+        return false;
+    }
+
+    boolean this_present_users = true && this.isSetUsers();
+    boolean that_present_users = true && that.isSetUsers();
+    if (this_present_users || that_present_users) {
+      if (!(this_present_users && that_present_users))
+        return false;
+      if (!this.users.equals(that.users))
+        return false;
+    }
+
+    return true;
+  }
+
+  @Override
+  public int hashCode() {
+    HashCodeBuilder builder = new HashCodeBuilder();
+
+    boolean present_protocol_version = true;
+    builder.append(present_protocol_version);
+    if (present_protocol_version)
+      builder.append(protocol_version);
+
+    boolean present_requestorUserName = true && (isSetRequestorUserName());
+    builder.append(present_requestorUserName);
+    if (present_requestorUserName)
+      builder.append(requestorUserName);
+
+    boolean present_roleName = true && (isSetRoleName());
+    builder.append(present_roleName);
+    if (present_roleName)
+      builder.append(roleName);
+
+    boolean present_users = true && (isSetUsers());
+    builder.append(present_users);
+    if (present_users)
+      builder.append(users);
+
+    return builder.toHashCode();
+  }
+
+  public int compareTo(TAlterSentryRoleAddUsersRequest other) {
+    if (!getClass().equals(other.getClass())) {
+      return getClass().getName().compareTo(other.getClass().getName());
+    }
+
+    int lastComparison = 0;
+    TAlterSentryRoleAddUsersRequest typedOther = 
(TAlterSentryRoleAddUsersRequest)other;
+
+    lastComparison = 
Boolean.valueOf(isSetProtocol_version()).compareTo(typedOther.isSetProtocol_version());
+    if (lastComparison != 0) {
+      return lastComparison;
+    }
+    if (isSetProtocol_version()) {
+      lastComparison = 
org.apache.thrift.TBaseHelper.compareTo(this.protocol_version, 
typedOther.protocol_version);
+      if (lastComparison != 0) {
+        return lastComparison;
+      }
+    }
+    lastComparison = 
Boolean.valueOf(isSetRequestorUserName()).compareTo(typedOther.isSetRequestorUserName());
+    if (lastComparison != 0) {
+      return lastComparison;
+    }
+    if (isSetRequestorUserName()) {
+      lastComparison = 
org.apache.thrift.TBaseHelper.compareTo(this.requestorUserName, 
typedOther.requestorUserName);
+      if (lastComparison != 0) {
+        return lastComparison;
+      }
+    }
+    lastComparison = 
Boolean.valueOf(isSetRoleName()).compareTo(typedOther.isSetRoleName());
+    if (lastComparison != 0) {
+      return lastComparison;
+    }
+    if (isSetRoleName()) {
+      lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.roleName, 
typedOther.roleName);
+      if (lastComparison != 0) {
+        return lastComparison;
+      }
+    }
+    lastComparison = 
Boolean.valueOf(isSetUsers()).compareTo(typedOther.isSetUsers());
+    if (lastComparison != 0) {
+      return lastComparison;
+    }
+    if (isSetUsers()) {
+      lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.users, 
typedOther.users);
+      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("TAlterSentryRoleAddUsersRequest(");
+    boolean first = true;
+
+    sb.append("protocol_version:");
+    sb.append(this.protocol_version);
+    first = false;
+    if (!first) sb.append(", ");
+    sb.append("requestorUserName:");
+    if (this.requestorUserName == null) {
+      sb.append("null");
+    } else {
+      sb.append(this.requestorUserName);
+    }
+    first = false;
+    if (!first) sb.append(", ");
+    sb.append("roleName:");
+    if (this.roleName == null) {
+      sb.append("null");
+    } else {
+      sb.append(this.roleName);
+    }
+    first = false;
+    if (!first) sb.append(", ");
+    sb.append("users:");
+    if (this.users == null) {
+      sb.append("null");
+    } else {
+      sb.append(this.users);
+    }
+    first = false;
+    sb.append(")");
+    return sb.toString();
+  }
+
+  public void validate() throws org.apache.thrift.TException {
+    // check for required fields
+    if (!isSetProtocol_version()) {
+      throw new org.apache.thrift.protocol.TProtocolException("Required field 
'protocol_version' is unset! Struct:" + toString());
+    }
+
+    if (!isSetRequestorUserName()) {
+      throw new org.apache.thrift.protocol.TProtocolException("Required field 
'requestorUserName' is unset! Struct:" + toString());
+    }
+
+    if (!isSetRoleName()) {
+      throw new org.apache.thrift.protocol.TProtocolException("Required field 
'roleName' is unset! Struct:" + toString());
+    }
+
+    if (!isSetUsers()) {
+      throw new org.apache.thrift.protocol.TProtocolException("Required field 
'users' is unset! Struct:" + toString());
+    }
+
+    // check for sub-struct validity
+  }
+
+  private void writeObject(java.io.ObjectOutputStream out) throws 
java.io.IOException {
+    try {
+      write(new org.apache.thrift.protocol.TCompactProtocol(new 
org.apache.thrift.transport.TIOStreamTransport(out)));
+    } catch (org.apache.thrift.TException te) {
+      throw new java.io.IOException(te);
+    }
+  }
+
+  private void readObject(java.io.ObjectInputStream in) throws 
java.io.IOException, ClassNotFoundException {
+    try {
+      // it doesn't seem like you should have to do this, but java 
serialization is wacky, and doesn't call the default constructor.
+      __isset_bitfield = 0;
+      read(new org.apache.thrift.protocol.TCompactProtocol(new 
org.apache.thrift.transport.TIOStreamTransport(in)));
+    } catch (org.apache.thrift.TException te) {
+      throw new java.io.IOException(te);
+    }
+  }
+
+  private static class TAlterSentryRoleAddUsersRequestStandardSchemeFactory 
implements SchemeFactory {
+    public TAlterSentryRoleAddUsersRequestStandardScheme getScheme() {
+      return new TAlterSentryRoleAddUsersRequestStandardScheme();
+    }
+  }
+
+  private static class TAlterSentryRoleAddUsersRequestStandardScheme extends 
StandardScheme<TAlterSentryRoleAddUsersRequest> {
+
+    public void read(org.apache.thrift.protocol.TProtocol iprot, 
TAlterSentryRoleAddUsersRequest 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: // PROTOCOL_VERSION
+            if (schemeField.type == org.apache.thrift.protocol.TType.I32) {
+              struct.protocol_version = iprot.readI32();
+              struct.setProtocol_versionIsSet(true);
+            } else { 
+              org.apache.thrift.protocol.TProtocolUtil.skip(iprot, 
schemeField.type);
+            }
+            break;
+          case 2: // REQUESTOR_USER_NAME
+            if (schemeField.type == org.apache.thrift.protocol.TType.STRING) {
+              struct.requestorUserName = iprot.readString();
+              struct.setRequestorUserNameIsSet(true);
+            } else { 
+              org.apache.thrift.protocol.TProtocolUtil.skip(iprot, 
schemeField.type);
+            }
+            break;
+          case 3: // ROLE_NAME
+            if (schemeField.type == org.apache.thrift.protocol.TType.STRING) {
+              struct.roleName = iprot.readString();
+              struct.setRoleNameIsSet(true);
+            } else { 
+              org.apache.thrift.protocol.TProtocolUtil.skip(iprot, 
schemeField.type);
+            }
+            break;
+          case 4: // USERS
+            if (schemeField.type == org.apache.thrift.protocol.TType.SET) {
+              {
+                org.apache.thrift.protocol.TSet _set8 = iprot.readSetBegin();
+                struct.users = new HashSet<String>(2*_set8.size);
+                for (int _i9 = 0; _i9 < _set8.size; ++_i9)
+                {
+                  String _elem10; // required
+                  _elem10 = iprot.readString();
+                  struct.users.add(_elem10);
+                }
+                iprot.readSetEnd();
+              }
+              struct.setUsersIsSet(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, 
TAlterSentryRoleAddUsersRequest struct) throws org.apache.thrift.TException {
+      struct.validate();
+
+      oprot.writeStructBegin(STRUCT_DESC);
+      oprot.writeFieldBegin(PROTOCOL_VERSION_FIELD_DESC);
+      oprot.writeI32(struct.protocol_version);
+      oprot.writeFieldEnd();
+      if (struct.requestorUserName != null) {
+        oprot.writeFieldBegin(REQUESTOR_USER_NAME_FIELD_DESC);
+        oprot.writeString(struct.requestorUserName);
+        oprot.writeFieldEnd();
+      }
+      if (struct.roleName != null) {
+        oprot.writeFieldBegin(ROLE_NAME_FIELD_DESC);
+        oprot.writeString(struct.roleName);
+        oprot.writeFieldEnd();
+      }
+      if (struct.users != null) {
+        oprot.writeFieldBegin(USERS_FIELD_DESC);
+        {
+          oprot.writeSetBegin(new 
org.apache.thrift.protocol.TSet(org.apache.thrift.protocol.TType.STRING, 
struct.users.size()));
+          for (String _iter11 : struct.users)
+          {
+            oprot.writeString(_iter11);
+          }
+          oprot.writeSetEnd();
+        }
+        oprot.writeFieldEnd();
+      }
+      oprot.writeFieldStop();
+      oprot.writeStructEnd();
+    }
+
+  }
+
+  private static class TAlterSentryRoleAddUsersRequestTupleSchemeFactory 
implements SchemeFactory {
+    public TAlterSentryRoleAddUsersRequestTupleScheme getScheme() {
+      return new TAlterSentryRoleAddUsersRequestTupleScheme();
+    }
+  }
+
+  private static class TAlterSentryRoleAddUsersRequestTupleScheme extends 
TupleScheme<TAlterSentryRoleAddUsersRequest> {
+
+    @Override
+    public void write(org.apache.thrift.protocol.TProtocol prot, 
TAlterSentryRoleAddUsersRequest struct) throws org.apache.thrift.TException {
+      TTupleProtocol oprot = (TTupleProtocol) prot;
+      oprot.writeI32(struct.protocol_version);
+      oprot.writeString(struct.requestorUserName);
+      oprot.writeString(struct.roleName);
+      {
+        oprot.writeI32(struct.users.size());
+        for (String _iter12 : struct.users)
+        {
+          oprot.writeString(_iter12);
+        }
+      }
+    }
+
+    @Override
+    public void read(org.apache.thrift.protocol.TProtocol prot, 
TAlterSentryRoleAddUsersRequest struct) throws org.apache.thrift.TException {
+      TTupleProtocol iprot = (TTupleProtocol) prot;
+      struct.protocol_version = iprot.readI32();
+      struct.setProtocol_versionIsSet(true);
+      struct.requestorUserName = iprot.readString();
+      struct.setRequestorUserNameIsSet(true);
+      struct.roleName = iprot.readString();
+      struct.setRoleNameIsSet(true);
+      {
+        org.apache.thrift.protocol.TSet _set13 = new 
org.apache.thrift.protocol.TSet(org.apache.thrift.protocol.TType.STRING, 
iprot.readI32());
+        struct.users = new HashSet<String>(2*_set13.size);
+        for (int _i14 = 0; _i14 < _set13.size; ++_i14)
+        {
+          String _elem15; // required
+          _elem15 = iprot.readString();
+          struct.users.add(_elem15);
+        }
+      }
+      struct.setUsersIsSet(true);
+    }
+  }
+
+}
+

http://git-wip-us.apache.org/repos/asf/sentry/blob/68949951/sentry-provider/sentry-provider-db/src/gen/thrift/gen-javabean/org/apache/sentry/provider/db/service/thrift/TAlterSentryRoleAddUsersResponse.java
----------------------------------------------------------------------
diff --git 
a/sentry-provider/sentry-provider-db/src/gen/thrift/gen-javabean/org/apache/sentry/provider/db/service/thrift/TAlterSentryRoleAddUsersResponse.java
 
b/sentry-provider/sentry-provider-db/src/gen/thrift/gen-javabean/org/apache/sentry/provider/db/service/thrift/TAlterSentryRoleAddUsersResponse.java
new file mode 100644
index 0000000..d94a72b
--- /dev/null
+++ 
b/sentry-provider/sentry-provider-db/src/gen/thrift/gen-javabean/org/apache/sentry/provider/db/service/thrift/TAlterSentryRoleAddUsersResponse.java
@@ -0,0 +1,390 @@
+/**
+ * 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.sentry.provider.db.service.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 TAlterSentryRoleAddUsersResponse implements 
org.apache.thrift.TBase<TAlterSentryRoleAddUsersResponse, 
TAlterSentryRoleAddUsersResponse._Fields>, java.io.Serializable, Cloneable {
+  private static final org.apache.thrift.protocol.TStruct STRUCT_DESC = new 
org.apache.thrift.protocol.TStruct("TAlterSentryRoleAddUsersResponse");
+
+  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 Map<Class<? extends IScheme>, SchemeFactory> schemes = 
new HashMap<Class<? extends IScheme>, SchemeFactory>();
+  static {
+    schemes.put(StandardScheme.class, new 
TAlterSentryRoleAddUsersResponseStandardSchemeFactory());
+    schemes.put(TupleScheme.class, new 
TAlterSentryRoleAddUsersResponseTupleSchemeFactory());
+  }
+
+  private org.apache.sentry.service.thrift.TSentryResponseStatus status; // 
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 {
+    STATUS((short)1, "status");
+
+    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;
+        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.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,
 org.apache.sentry.service.thrift.TSentryResponseStatus.class)));
+    metaDataMap = Collections.unmodifiableMap(tmpMap);
+    
org.apache.thrift.meta_data.FieldMetaData.addStructMetaDataMap(TAlterSentryRoleAddUsersResponse.class,
 metaDataMap);
+  }
+
+  public TAlterSentryRoleAddUsersResponse() {
+  }
+
+  public TAlterSentryRoleAddUsersResponse(
+    org.apache.sentry.service.thrift.TSentryResponseStatus status)
+  {
+    this();
+    this.status = status;
+  }
+
+  /**
+   * Performs a deep copy on <i>other</i>.
+   */
+  public TAlterSentryRoleAddUsersResponse(TAlterSentryRoleAddUsersResponse 
other) {
+    if (other.isSetStatus()) {
+      this.status = new 
org.apache.sentry.service.thrift.TSentryResponseStatus(other.status);
+    }
+  }
+
+  public TAlterSentryRoleAddUsersResponse deepCopy() {
+    return new TAlterSentryRoleAddUsersResponse(this);
+  }
+
+  @Override
+  public void clear() {
+    this.status = null;
+  }
+
+  public org.apache.sentry.service.thrift.TSentryResponseStatus getStatus() {
+    return this.status;
+  }
+
+  public void setStatus(org.apache.sentry.service.thrift.TSentryResponseStatus 
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 void setFieldValue(_Fields field, Object value) {
+    switch (field) {
+    case STATUS:
+      if (value == null) {
+        unsetStatus();
+      } else {
+        
setStatus((org.apache.sentry.service.thrift.TSentryResponseStatus)value);
+      }
+      break;
+
+    }
+  }
+
+  public Object getFieldValue(_Fields field) {
+    switch (field) {
+    case STATUS:
+      return getStatus();
+
+    }
+    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();
+    }
+    throw new IllegalStateException();
+  }
+
+  @Override
+  public boolean equals(Object that) {
+    if (that == null)
+      return false;
+    if (that instanceof TAlterSentryRoleAddUsersResponse)
+      return this.equals((TAlterSentryRoleAddUsersResponse)that);
+    return false;
+  }
+
+  public boolean equals(TAlterSentryRoleAddUsersResponse 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;
+    }
+
+    return true;
+  }
+
+  @Override
+  public int hashCode() {
+    HashCodeBuilder builder = new HashCodeBuilder();
+
+    boolean present_status = true && (isSetStatus());
+    builder.append(present_status);
+    if (present_status)
+      builder.append(status);
+
+    return builder.toHashCode();
+  }
+
+  public int compareTo(TAlterSentryRoleAddUsersResponse other) {
+    if (!getClass().equals(other.getClass())) {
+      return getClass().getName().compareTo(other.getClass().getName());
+    }
+
+    int lastComparison = 0;
+    TAlterSentryRoleAddUsersResponse typedOther = 
(TAlterSentryRoleAddUsersResponse)other;
+
+    lastComparison = 
Boolean.valueOf(isSetStatus()).compareTo(typedOther.isSetStatus());
+    if (lastComparison != 0) {
+      return lastComparison;
+    }
+    if (isSetStatus()) {
+      lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.status, 
typedOther.status);
+      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("TAlterSentryRoleAddUsersResponse(");
+    boolean first = true;
+
+    sb.append("status:");
+    if (this.status == null) {
+      sb.append("null");
+    } else {
+      sb.append(this.status);
+    }
+    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();
+    }
+  }
+
+  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 TAlterSentryRoleAddUsersResponseStandardSchemeFactory 
implements SchemeFactory {
+    public TAlterSentryRoleAddUsersResponseStandardScheme getScheme() {
+      return new TAlterSentryRoleAddUsersResponseStandardScheme();
+    }
+  }
+
+  private static class TAlterSentryRoleAddUsersResponseStandardScheme extends 
StandardScheme<TAlterSentryRoleAddUsersResponse> {
+
+    public void read(org.apache.thrift.protocol.TProtocol iprot, 
TAlterSentryRoleAddUsersResponse 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 
org.apache.sentry.service.thrift.TSentryResponseStatus();
+              struct.status.read(iprot);
+              struct.setStatusIsSet(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, 
TAlterSentryRoleAddUsersResponse 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();
+      }
+      oprot.writeFieldStop();
+      oprot.writeStructEnd();
+    }
+
+  }
+
+  private static class TAlterSentryRoleAddUsersResponseTupleSchemeFactory 
implements SchemeFactory {
+    public TAlterSentryRoleAddUsersResponseTupleScheme getScheme() {
+      return new TAlterSentryRoleAddUsersResponseTupleScheme();
+    }
+  }
+
+  private static class TAlterSentryRoleAddUsersResponseTupleScheme extends 
TupleScheme<TAlterSentryRoleAddUsersResponse> {
+
+    @Override
+    public void write(org.apache.thrift.protocol.TProtocol prot, 
TAlterSentryRoleAddUsersResponse struct) throws org.apache.thrift.TException {
+      TTupleProtocol oprot = (TTupleProtocol) prot;
+      struct.status.write(oprot);
+    }
+
+    @Override
+    public void read(org.apache.thrift.protocol.TProtocol prot, 
TAlterSentryRoleAddUsersResponse struct) throws org.apache.thrift.TException {
+      TTupleProtocol iprot = (TTupleProtocol) prot;
+      struct.status = new 
org.apache.sentry.service.thrift.TSentryResponseStatus();
+      struct.status.read(iprot);
+      struct.setStatusIsSet(true);
+    }
+  }
+
+}
+

http://git-wip-us.apache.org/repos/asf/sentry/blob/68949951/sentry-provider/sentry-provider-db/src/gen/thrift/gen-javabean/org/apache/sentry/provider/db/service/thrift/TAlterSentryRoleDeleteGroupsRequest.java
----------------------------------------------------------------------
diff --git 
a/sentry-provider/sentry-provider-db/src/gen/thrift/gen-javabean/org/apache/sentry/provider/db/service/thrift/TAlterSentryRoleDeleteGroupsRequest.java
 
b/sentry-provider/sentry-provider-db/src/gen/thrift/gen-javabean/org/apache/sentry/provider/db/service/thrift/TAlterSentryRoleDeleteGroupsRequest.java
index da4d76c..fce68e5 100644
--- 
a/sentry-provider/sentry-provider-db/src/gen/thrift/gen-javabean/org/apache/sentry/provider/db/service/thrift/TAlterSentryRoleDeleteGroupsRequest.java
+++ 
b/sentry-provider/sentry-provider-db/src/gen/thrift/gen-javabean/org/apache/sentry/provider/db/service/thrift/TAlterSentryRoleDeleteGroupsRequest.java
@@ -631,14 +631,14 @@ public class TAlterSentryRoleDeleteGroupsRequest 
implements org.apache.thrift.TB
           case 5: // GROUPS
             if (schemeField.type == org.apache.thrift.protocol.TType.SET) {
               {
-                org.apache.thrift.protocol.TSet _set8 = iprot.readSetBegin();
-                struct.groups = new HashSet<TSentryGroup>(2*_set8.size);
-                for (int _i9 = 0; _i9 < _set8.size; ++_i9)
+                org.apache.thrift.protocol.TSet _set16 = iprot.readSetBegin();
+                struct.groups = new HashSet<TSentryGroup>(2*_set16.size);
+                for (int _i17 = 0; _i17 < _set16.size; ++_i17)
                 {
-                  TSentryGroup _elem10; // required
-                  _elem10 = new TSentryGroup();
-                  _elem10.read(iprot);
-                  struct.groups.add(_elem10);
+                  TSentryGroup _elem18; // required
+                  _elem18 = new TSentryGroup();
+                  _elem18.read(iprot);
+                  struct.groups.add(_elem18);
                 }
                 iprot.readSetEnd();
               }
@@ -677,9 +677,9 @@ public class TAlterSentryRoleDeleteGroupsRequest implements 
org.apache.thrift.TB
         oprot.writeFieldBegin(GROUPS_FIELD_DESC);
         {
           oprot.writeSetBegin(new 
org.apache.thrift.protocol.TSet(org.apache.thrift.protocol.TType.STRUCT, 
struct.groups.size()));
-          for (TSentryGroup _iter11 : struct.groups)
+          for (TSentryGroup _iter19 : struct.groups)
           {
-            _iter11.write(oprot);
+            _iter19.write(oprot);
           }
           oprot.writeSetEnd();
         }
@@ -707,9 +707,9 @@ public class TAlterSentryRoleDeleteGroupsRequest implements 
org.apache.thrift.TB
       oprot.writeString(struct.roleName);
       {
         oprot.writeI32(struct.groups.size());
-        for (TSentryGroup _iter12 : struct.groups)
+        for (TSentryGroup _iter20 : struct.groups)
         {
-          _iter12.write(oprot);
+          _iter20.write(oprot);
         }
       }
     }
@@ -724,14 +724,14 @@ public class TAlterSentryRoleDeleteGroupsRequest 
implements org.apache.thrift.TB
       struct.roleName = iprot.readString();
       struct.setRoleNameIsSet(true);
       {
-        org.apache.thrift.protocol.TSet _set13 = new 
org.apache.thrift.protocol.TSet(org.apache.thrift.protocol.TType.STRUCT, 
iprot.readI32());
-        struct.groups = new HashSet<TSentryGroup>(2*_set13.size);
-        for (int _i14 = 0; _i14 < _set13.size; ++_i14)
+        org.apache.thrift.protocol.TSet _set21 = new 
org.apache.thrift.protocol.TSet(org.apache.thrift.protocol.TType.STRUCT, 
iprot.readI32());
+        struct.groups = new HashSet<TSentryGroup>(2*_set21.size);
+        for (int _i22 = 0; _i22 < _set21.size; ++_i22)
         {
-          TSentryGroup _elem15; // required
-          _elem15 = new TSentryGroup();
-          _elem15.read(iprot);
-          struct.groups.add(_elem15);
+          TSentryGroup _elem23; // required
+          _elem23 = new TSentryGroup();
+          _elem23.read(iprot);
+          struct.groups.add(_elem23);
         }
       }
       struct.setGroupsIsSet(true);

http://git-wip-us.apache.org/repos/asf/sentry/blob/68949951/sentry-provider/sentry-provider-db/src/gen/thrift/gen-javabean/org/apache/sentry/provider/db/service/thrift/TAlterSentryRoleDeleteUsersRequest.java
----------------------------------------------------------------------
diff --git 
a/sentry-provider/sentry-provider-db/src/gen/thrift/gen-javabean/org/apache/sentry/provider/db/service/thrift/TAlterSentryRoleDeleteUsersRequest.java
 
b/sentry-provider/sentry-provider-db/src/gen/thrift/gen-javabean/org/apache/sentry/provider/db/service/thrift/TAlterSentryRoleDeleteUsersRequest.java
new file mode 100644
index 0000000..cb8be6d
--- /dev/null
+++ 
b/sentry-provider/sentry-provider-db/src/gen/thrift/gen-javabean/org/apache/sentry/provider/db/service/thrift/TAlterSentryRoleDeleteUsersRequest.java
@@ -0,0 +1,740 @@
+/**
+ * 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.sentry.provider.db.service.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 TAlterSentryRoleDeleteUsersRequest implements 
org.apache.thrift.TBase<TAlterSentryRoleDeleteUsersRequest, 
TAlterSentryRoleDeleteUsersRequest._Fields>, java.io.Serializable, Cloneable {
+  private static final org.apache.thrift.protocol.TStruct STRUCT_DESC = new 
org.apache.thrift.protocol.TStruct("TAlterSentryRoleDeleteUsersRequest");
+
+  private static final org.apache.thrift.protocol.TField 
PROTOCOL_VERSION_FIELD_DESC = new 
org.apache.thrift.protocol.TField("protocol_version", 
org.apache.thrift.protocol.TType.I32, (short)1);
+  private static final org.apache.thrift.protocol.TField 
REQUESTOR_USER_NAME_FIELD_DESC = new 
org.apache.thrift.protocol.TField("requestorUserName", 
org.apache.thrift.protocol.TType.STRING, (short)2);
+  private static final org.apache.thrift.protocol.TField ROLE_NAME_FIELD_DESC 
= new org.apache.thrift.protocol.TField("roleName", 
org.apache.thrift.protocol.TType.STRING, (short)3);
+  private static final org.apache.thrift.protocol.TField USERS_FIELD_DESC = 
new org.apache.thrift.protocol.TField("users", 
org.apache.thrift.protocol.TType.SET, (short)4);
+
+  private static final Map<Class<? extends IScheme>, SchemeFactory> schemes = 
new HashMap<Class<? extends IScheme>, SchemeFactory>();
+  static {
+    schemes.put(StandardScheme.class, new 
TAlterSentryRoleDeleteUsersRequestStandardSchemeFactory());
+    schemes.put(TupleScheme.class, new 
TAlterSentryRoleDeleteUsersRequestTupleSchemeFactory());
+  }
+
+  private int protocol_version; // required
+  private String requestorUserName; // required
+  private String roleName; // required
+  private Set<String> users; // 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 {
+    PROTOCOL_VERSION((short)1, "protocol_version"),
+    REQUESTOR_USER_NAME((short)2, "requestorUserName"),
+    ROLE_NAME((short)3, "roleName"),
+    USERS((short)4, "users");
+
+    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: // PROTOCOL_VERSION
+          return PROTOCOL_VERSION;
+        case 2: // REQUESTOR_USER_NAME
+          return REQUESTOR_USER_NAME;
+        case 3: // ROLE_NAME
+          return ROLE_NAME;
+        case 4: // USERS
+          return USERS;
+        default:
+          return null;
+      }
+    }
+
+    /**
+     * Find the _Fields constant that matches fieldId, throwing an exception
+     * if it is not found.
+     */
+    public static _Fields findByThriftIdOrThrow(int fieldId) {
+      _Fields fields = findByThriftId(fieldId);
+      if (fields == null) throw new IllegalArgumentException("Field " + 
fieldId + " doesn't exist!");
+      return fields;
+    }
+
+    /**
+     * Find the _Fields constant that matches name, or null if its not found.
+     */
+    public static _Fields findByName(String name) {
+      return byName.get(name);
+    }
+
+    private final short _thriftId;
+    private final String _fieldName;
+
+    _Fields(short thriftId, String fieldName) {
+      _thriftId = thriftId;
+      _fieldName = fieldName;
+    }
+
+    public short getThriftFieldId() {
+      return _thriftId;
+    }
+
+    public String getFieldName() {
+      return _fieldName;
+    }
+  }
+
+  // isset id assignments
+  private static final int __PROTOCOL_VERSION_ISSET_ID = 0;
+  private byte __isset_bitfield = 0;
+  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.PROTOCOL_VERSION, new 
org.apache.thrift.meta_data.FieldMetaData("protocol_version", 
org.apache.thrift.TFieldRequirementType.REQUIRED, 
+        new 
org.apache.thrift.meta_data.FieldValueMetaData(org.apache.thrift.protocol.TType.I32)));
+    tmpMap.put(_Fields.REQUESTOR_USER_NAME, new 
org.apache.thrift.meta_data.FieldMetaData("requestorUserName", 
org.apache.thrift.TFieldRequirementType.REQUIRED, 
+        new 
org.apache.thrift.meta_data.FieldValueMetaData(org.apache.thrift.protocol.TType.STRING)));
+    tmpMap.put(_Fields.ROLE_NAME, new 
org.apache.thrift.meta_data.FieldMetaData("roleName", 
org.apache.thrift.TFieldRequirementType.REQUIRED, 
+        new 
org.apache.thrift.meta_data.FieldValueMetaData(org.apache.thrift.protocol.TType.STRING)));
+    tmpMap.put(_Fields.USERS, new 
org.apache.thrift.meta_data.FieldMetaData("users", 
org.apache.thrift.TFieldRequirementType.REQUIRED, 
+        new 
org.apache.thrift.meta_data.SetMetaData(org.apache.thrift.protocol.TType.SET, 
+            new 
org.apache.thrift.meta_data.FieldValueMetaData(org.apache.thrift.protocol.TType.STRING))));
+    metaDataMap = Collections.unmodifiableMap(tmpMap);
+    
org.apache.thrift.meta_data.FieldMetaData.addStructMetaDataMap(TAlterSentryRoleDeleteUsersRequest.class,
 metaDataMap);
+  }
+
+  public TAlterSentryRoleDeleteUsersRequest() {
+    this.protocol_version = 1;
+
+  }
+
+  public TAlterSentryRoleDeleteUsersRequest(
+    int protocol_version,
+    String requestorUserName,
+    String roleName,
+    Set<String> users)
+  {
+    this();
+    this.protocol_version = protocol_version;
+    setProtocol_versionIsSet(true);
+    this.requestorUserName = requestorUserName;
+    this.roleName = roleName;
+    this.users = users;
+  }
+
+  /**
+   * Performs a deep copy on <i>other</i>.
+   */
+  public TAlterSentryRoleDeleteUsersRequest(TAlterSentryRoleDeleteUsersRequest 
other) {
+    __isset_bitfield = other.__isset_bitfield;
+    this.protocol_version = other.protocol_version;
+    if (other.isSetRequestorUserName()) {
+      this.requestorUserName = other.requestorUserName;
+    }
+    if (other.isSetRoleName()) {
+      this.roleName = other.roleName;
+    }
+    if (other.isSetUsers()) {
+      Set<String> __this__users = new HashSet<String>();
+      for (String other_element : other.users) {
+        __this__users.add(other_element);
+      }
+      this.users = __this__users;
+    }
+  }
+
+  public TAlterSentryRoleDeleteUsersRequest deepCopy() {
+    return new TAlterSentryRoleDeleteUsersRequest(this);
+  }
+
+  @Override
+  public void clear() {
+    this.protocol_version = 1;
+
+    this.requestorUserName = null;
+    this.roleName = null;
+    this.users = null;
+  }
+
+  public int getProtocol_version() {
+    return this.protocol_version;
+  }
+
+  public void setProtocol_version(int protocol_version) {
+    this.protocol_version = protocol_version;
+    setProtocol_versionIsSet(true);
+  }
+
+  public void unsetProtocol_version() {
+    __isset_bitfield = EncodingUtils.clearBit(__isset_bitfield, 
__PROTOCOL_VERSION_ISSET_ID);
+  }
+
+  /** Returns true if field protocol_version is set (has been assigned a 
value) and false otherwise */
+  public boolean isSetProtocol_version() {
+    return EncodingUtils.testBit(__isset_bitfield, 
__PROTOCOL_VERSION_ISSET_ID);
+  }
+
+  public void setProtocol_versionIsSet(boolean value) {
+    __isset_bitfield = EncodingUtils.setBit(__isset_bitfield, 
__PROTOCOL_VERSION_ISSET_ID, value);
+  }
+
+  public String getRequestorUserName() {
+    return this.requestorUserName;
+  }
+
+  public void setRequestorUserName(String requestorUserName) {
+    this.requestorUserName = requestorUserName;
+  }
+
+  public void unsetRequestorUserName() {
+    this.requestorUserName = null;
+  }
+
+  /** Returns true if field requestorUserName is set (has been assigned a 
value) and false otherwise */
+  public boolean isSetRequestorUserName() {
+    return this.requestorUserName != null;
+  }
+
+  public void setRequestorUserNameIsSet(boolean value) {
+    if (!value) {
+      this.requestorUserName = null;
+    }
+  }
+
+  public String getRoleName() {
+    return this.roleName;
+  }
+
+  public void setRoleName(String roleName) {
+    this.roleName = roleName;
+  }
+
+  public void unsetRoleName() {
+    this.roleName = null;
+  }
+
+  /** Returns true if field roleName is set (has been assigned a value) and 
false otherwise */
+  public boolean isSetRoleName() {
+    return this.roleName != null;
+  }
+
+  public void setRoleNameIsSet(boolean value) {
+    if (!value) {
+      this.roleName = null;
+    }
+  }
+
+  public int getUsersSize() {
+    return (this.users == null) ? 0 : this.users.size();
+  }
+
+  public java.util.Iterator<String> getUsersIterator() {
+    return (this.users == null) ? null : this.users.iterator();
+  }
+
+  public void addToUsers(String elem) {
+    if (this.users == null) {
+      this.users = new HashSet<String>();
+    }
+    this.users.add(elem);
+  }
+
+  public Set<String> getUsers() {
+    return this.users;
+  }
+
+  public void setUsers(Set<String> users) {
+    this.users = users;
+  }
+
+  public void unsetUsers() {
+    this.users = null;
+  }
+
+  /** Returns true if field users is set (has been assigned a value) and false 
otherwise */
+  public boolean isSetUsers() {
+    return this.users != null;
+  }
+
+  public void setUsersIsSet(boolean value) {
+    if (!value) {
+      this.users = null;
+    }
+  }
+
+  public void setFieldValue(_Fields field, Object value) {
+    switch (field) {
+    case PROTOCOL_VERSION:
+      if (value == null) {
+        unsetProtocol_version();
+      } else {
+        setProtocol_version((Integer)value);
+      }
+      break;
+
+    case REQUESTOR_USER_NAME:
+      if (value == null) {
+        unsetRequestorUserName();
+      } else {
+        setRequestorUserName((String)value);
+      }
+      break;
+
+    case ROLE_NAME:
+      if (value == null) {
+        unsetRoleName();
+      } else {
+        setRoleName((String)value);
+      }
+      break;
+
+    case USERS:
+      if (value == null) {
+        unsetUsers();
+      } else {
+        setUsers((Set<String>)value);
+      }
+      break;
+
+    }
+  }
+
+  public Object getFieldValue(_Fields field) {
+    switch (field) {
+    case PROTOCOL_VERSION:
+      return Integer.valueOf(getProtocol_version());
+
+    case REQUESTOR_USER_NAME:
+      return getRequestorUserName();
+
+    case ROLE_NAME:
+      return getRoleName();
+
+    case USERS:
+      return getUsers();
+
+    }
+    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 PROTOCOL_VERSION:
+      return isSetProtocol_version();
+    case REQUESTOR_USER_NAME:
+      return isSetRequestorUserName();
+    case ROLE_NAME:
+      return isSetRoleName();
+    case USERS:
+      return isSetUsers();
+    }
+    throw new IllegalStateException();
+  }
+
+  @Override
+  public boolean equals(Object that) {
+    if (that == null)
+      return false;
+    if (that instanceof TAlterSentryRoleDeleteUsersRequest)
+      return this.equals((TAlterSentryRoleDeleteUsersRequest)that);
+    return false;
+  }
+
+  public boolean equals(TAlterSentryRoleDeleteUsersRequest that) {
+    if (that == null)
+      return false;
+
+    boolean this_present_protocol_version = true;
+    boolean that_present_protocol_version = true;
+    if (this_present_protocol_version || that_present_protocol_version) {
+      if (!(this_present_protocol_version && that_present_protocol_version))
+        return false;
+      if (this.protocol_version != that.protocol_version)
+        return false;
+    }
+
+    boolean this_present_requestorUserName = true && 
this.isSetRequestorUserName();
+    boolean that_present_requestorUserName = true && 
that.isSetRequestorUserName();
+    if (this_present_requestorUserName || that_present_requestorUserName) {
+      if (!(this_present_requestorUserName && that_present_requestorUserName))
+        return false;
+      if (!this.requestorUserName.equals(that.requestorUserName))
+        return false;
+    }
+
+    boolean this_present_roleName = true && this.isSetRoleName();
+    boolean that_present_roleName = true && that.isSetRoleName();
+    if (this_present_roleName || that_present_roleName) {
+      if (!(this_present_roleName && that_present_roleName))
+        return false;
+      if (!this.roleName.equals(that.roleName))
+        return false;
+    }
+
+    boolean this_present_users = true && this.isSetUsers();
+    boolean that_present_users = true && that.isSetUsers();
+    if (this_present_users || that_present_users) {
+      if (!(this_present_users && that_present_users))
+        return false;
+      if (!this.users.equals(that.users))
+        return false;
+    }
+
+    return true;
+  }
+
+  @Override
+  public int hashCode() {
+    HashCodeBuilder builder = new HashCodeBuilder();
+
+    boolean present_protocol_version = true;
+    builder.append(present_protocol_version);
+    if (present_protocol_version)
+      builder.append(protocol_version);
+
+    boolean present_requestorUserName = true && (isSetRequestorUserName());
+    builder.append(present_requestorUserName);
+    if (present_requestorUserName)
+      builder.append(requestorUserName);
+
+    boolean present_roleName = true && (isSetRoleName());
+    builder.append(present_roleName);
+    if (present_roleName)
+      builder.append(roleName);
+
+    boolean present_users = true && (isSetUsers());
+    builder.append(present_users);
+    if (present_users)
+      builder.append(users);
+
+    return builder.toHashCode();
+  }
+
+  public int compareTo(TAlterSentryRoleDeleteUsersRequest other) {
+    if (!getClass().equals(other.getClass())) {
+      return getClass().getName().compareTo(other.getClass().getName());
+    }
+
+    int lastComparison = 0;
+    TAlterSentryRoleDeleteUsersRequest typedOther = 
(TAlterSentryRoleDeleteUsersRequest)other;
+
+    lastComparison = 
Boolean.valueOf(isSetProtocol_version()).compareTo(typedOther.isSetProtocol_version());
+    if (lastComparison != 0) {
+      return lastComparison;
+    }
+    if (isSetProtocol_version()) {
+      lastComparison = 
org.apache.thrift.TBaseHelper.compareTo(this.protocol_version, 
typedOther.protocol_version);
+      if (lastComparison != 0) {
+        return lastComparison;
+      }
+    }
+    lastComparison = 
Boolean.valueOf(isSetRequestorUserName()).compareTo(typedOther.isSetRequestorUserName());
+    if (lastComparison != 0) {
+      return lastComparison;
+    }
+    if (isSetRequestorUserName()) {
+      lastComparison = 
org.apache.thrift.TBaseHelper.compareTo(this.requestorUserName, 
typedOther.requestorUserName);
+      if (lastComparison != 0) {
+        return lastComparison;
+      }
+    }
+    lastComparison = 
Boolean.valueOf(isSetRoleName()).compareTo(typedOther.isSetRoleName());
+    if (lastComparison != 0) {
+      return lastComparison;
+    }
+    if (isSetRoleName()) {
+      lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.roleName, 
typedOther.roleName);
+      if (lastComparison != 0) {
+        return lastComparison;
+      }
+    }
+    lastComparison = 
Boolean.valueOf(isSetUsers()).compareTo(typedOther.isSetUsers());
+    if (lastComparison != 0) {
+      return lastComparison;
+    }
+    if (isSetUsers()) {
+      lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.users, 
typedOther.users);
+      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("TAlterSentryRoleDeleteUsersRequest(");
+    boolean first = true;
+
+    sb.append("protocol_version:");
+    sb.append(this.protocol_version);
+    first = false;
+    if (!first) sb.append(", ");
+    sb.append("requestorUserName:");
+    if (this.requestorUserName == null) {
+      sb.append("null");
+    } else {
+      sb.append(this.requestorUserName);
+    }
+    first = false;
+    if (!first) sb.append(", ");
+    sb.append("roleName:");
+    if (this.roleName == null) {
+      sb.append("null");
+    } else {
+      sb.append(this.roleName);
+    }
+    first = false;
+    if (!first) sb.append(", ");
+    sb.append("users:");
+    if (this.users == null) {
+      sb.append("null");
+    } else {
+      sb.append(this.users);
+    }
+    first = false;
+    sb.append(")");
+    return sb.toString();
+  }
+
+  public void validate() throws org.apache.thrift.TException {
+    // check for required fields
+    if (!isSetProtocol_version()) {
+      throw new org.apache.thrift.protocol.TProtocolException("Required field 
'protocol_version' is unset! Struct:" + toString());
+    }
+
+    if (!isSetRequestorUserName()) {
+      throw new org.apache.thrift.protocol.TProtocolException("Required field 
'requestorUserName' is unset! Struct:" + toString());
+    }
+
+    if (!isSetRoleName()) {
+      throw new org.apache.thrift.protocol.TProtocolException("Required field 
'roleName' is unset! Struct:" + toString());
+    }
+
+    if (!isSetUsers()) {
+      throw new org.apache.thrift.protocol.TProtocolException("Required field 
'users' is unset! Struct:" + toString());
+    }
+
+    // check for sub-struct validity
+  }
+
+  private void writeObject(java.io.ObjectOutputStream out) throws 
java.io.IOException {
+    try {
+      write(new org.apache.thrift.protocol.TCompactProtocol(new 
org.apache.thrift.transport.TIOStreamTransport(out)));
+    } catch (org.apache.thrift.TException te) {
+      throw new java.io.IOException(te);
+    }
+  }
+
+  private void readObject(java.io.ObjectInputStream in) throws 
java.io.IOException, ClassNotFoundException {
+    try {
+      // it doesn't seem like you should have to do this, but java 
serialization is wacky, and doesn't call the default constructor.
+      __isset_bitfield = 0;
+      read(new org.apache.thrift.protocol.TCompactProtocol(new 
org.apache.thrift.transport.TIOStreamTransport(in)));
+    } catch (org.apache.thrift.TException te) {
+      throw new java.io.IOException(te);
+    }
+  }
+
+  private static class TAlterSentryRoleDeleteUsersRequestStandardSchemeFactory 
implements SchemeFactory {
+    public TAlterSentryRoleDeleteUsersRequestStandardScheme getScheme() {
+      return new TAlterSentryRoleDeleteUsersRequestStandardScheme();
+    }
+  }
+
+  private static class TAlterSentryRoleDeleteUsersRequestStandardScheme 
extends StandardScheme<TAlterSentryRoleDeleteUsersRequest> {
+
+    public void read(org.apache.thrift.protocol.TProtocol iprot, 
TAlterSentryRoleDeleteUsersRequest 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: // PROTOCOL_VERSION
+            if (schemeField.type == org.apache.thrift.protocol.TType.I32) {
+              struct.protocol_version = iprot.readI32();
+              struct.setProtocol_versionIsSet(true);
+            } else { 
+              org.apache.thrift.protocol.TProtocolUtil.skip(iprot, 
schemeField.type);
+            }
+            break;
+          case 2: // REQUESTOR_USER_NAME
+            if (schemeField.type == org.apache.thrift.protocol.TType.STRING) {
+              struct.requestorUserName = iprot.readString();
+              struct.setRequestorUserNameIsSet(true);
+            } else { 
+              org.apache.thrift.protocol.TProtocolUtil.skip(iprot, 
schemeField.type);
+            }
+            break;
+          case 3: // ROLE_NAME
+            if (schemeField.type == org.apache.thrift.protocol.TType.STRING) {
+              struct.roleName = iprot.readString();
+              struct.setRoleNameIsSet(true);
+            } else { 
+              org.apache.thrift.protocol.TProtocolUtil.skip(iprot, 
schemeField.type);
+            }
+            break;
+          case 4: // USERS
+            if (schemeField.type == org.apache.thrift.protocol.TType.SET) {
+              {
+                org.apache.thrift.protocol.TSet _set24 = iprot.readSetBegin();
+                struct.users = new HashSet<String>(2*_set24.size);
+                for (int _i25 = 0; _i25 < _set24.size; ++_i25)
+                {
+                  String _elem26; // required
+                  _elem26 = iprot.readString();
+                  struct.users.add(_elem26);
+                }
+                iprot.readSetEnd();
+              }
+              struct.setUsersIsSet(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, 
TAlterSentryRoleDeleteUsersRequest struct) throws org.apache.thrift.TException {
+      struct.validate();
+
+      oprot.writeStructBegin(STRUCT_DESC);
+      oprot.writeFieldBegin(PROTOCOL_VERSION_FIELD_DESC);
+      oprot.writeI32(struct.protocol_version);
+      oprot.writeFieldEnd();
+      if (struct.requestorUserName != null) {
+        oprot.writeFieldBegin(REQUESTOR_USER_NAME_FIELD_DESC);
+        oprot.writeString(struct.requestorUserName);
+        oprot.writeFieldEnd();
+      }
+      if (struct.roleName != null) {
+        oprot.writeFieldBegin(ROLE_NAME_FIELD_DESC);
+        oprot.writeString(struct.roleName);
+        oprot.writeFieldEnd();
+      }
+      if (struct.users != null) {
+        oprot.writeFieldBegin(USERS_FIELD_DESC);
+        {
+          oprot.writeSetBegin(new 
org.apache.thrift.protocol.TSet(org.apache.thrift.protocol.TType.STRING, 
struct.users.size()));
+          for (String _iter27 : struct.users)
+          {
+            oprot.writeString(_iter27);
+          }
+          oprot.writeSetEnd();
+        }
+        oprot.writeFieldEnd();
+      }
+      oprot.writeFieldStop();
+      oprot.writeStructEnd();
+    }
+
+  }
+
+  private static class TAlterSentryRoleDeleteUsersRequestTupleSchemeFactory 
implements SchemeFactory {
+    public TAlterSentryRoleDeleteUsersRequestTupleScheme getScheme() {
+      return new TAlterSentryRoleDeleteUsersRequestTupleScheme();
+    }
+  }
+
+  private static class TAlterSentryRoleDeleteUsersRequestTupleScheme extends 
TupleScheme<TAlterSentryRoleDeleteUsersRequest> {
+
+    @Override
+    public void write(org.apache.thrift.protocol.TProtocol prot, 
TAlterSentryRoleDeleteUsersRequest struct) throws org.apache.thrift.TException {
+      TTupleProtocol oprot = (TTupleProtocol) prot;
+      oprot.writeI32(struct.protocol_version);
+      oprot.writeString(struct.requestorUserName);
+      oprot.writeString(struct.roleName);
+      {
+        oprot.writeI32(struct.users.size());
+        for (String _iter28 : struct.users)
+        {
+          oprot.writeString(_iter28);
+        }
+      }
+    }
+
+    @Override
+    public void read(org.apache.thrift.protocol.TProtocol prot, 
TAlterSentryRoleDeleteUsersRequest struct) throws org.apache.thrift.TException {
+      TTupleProtocol iprot = (TTupleProtocol) prot;
+      struct.protocol_version = iprot.readI32();
+      struct.setProtocol_versionIsSet(true);
+      struct.requestorUserName = iprot.readString();
+      struct.setRequestorUserNameIsSet(true);
+      struct.roleName = iprot.readString();
+      struct.setRoleNameIsSet(true);
+      {
+        org.apache.thrift.protocol.TSet _set29 = new 
org.apache.thrift.protocol.TSet(org.apache.thrift.protocol.TType.STRING, 
iprot.readI32());
+        struct.users = new HashSet<String>(2*_set29.size);
+        for (int _i30 = 0; _i30 < _set29.size; ++_i30)
+        {
+          String _elem31; // required
+          _elem31 = iprot.readString();
+          struct.users.add(_elem31);
+        }
+      }
+      struct.setUsersIsSet(true);
+    }
+  }
+
+}
+

http://git-wip-us.apache.org/repos/asf/sentry/blob/68949951/sentry-provider/sentry-provider-db/src/gen/thrift/gen-javabean/org/apache/sentry/provider/db/service/thrift/TAlterSentryRoleDeleteUsersResponse.java
----------------------------------------------------------------------
diff --git 
a/sentry-provider/sentry-provider-db/src/gen/thrift/gen-javabean/org/apache/sentry/provider/db/service/thrift/TAlterSentryRoleDeleteUsersResponse.java
 
b/sentry-provider/sentry-provider-db/src/gen/thrift/gen-javabean/org/apache/sentry/provider/db/service/thrift/TAlterSentryRoleDeleteUsersResponse.java
new file mode 100644
index 0000000..449cd66
--- /dev/null
+++ 
b/sentry-provider/sentry-provider-db/src/gen/thrift/gen-javabean/org/apache/sentry/provider/db/service/thrift/TAlterSentryRoleDeleteUsersResponse.java
@@ -0,0 +1,390 @@
+/**
+ * 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.sentry.provider.db.service.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 TAlterSentryRoleDeleteUsersResponse implements 
org.apache.thrift.TBase<TAlterSentryRoleDeleteUsersResponse, 
TAlterSentryRoleDeleteUsersResponse._Fields>, java.io.Serializable, Cloneable {
+  private static final org.apache.thrift.protocol.TStruct STRUCT_DESC = new 
org.apache.thrift.protocol.TStruct("TAlterSentryRoleDeleteUsersResponse");
+
+  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 Map<Class<? extends IScheme>, SchemeFactory> schemes = 
new HashMap<Class<? extends IScheme>, SchemeFactory>();
+  static {
+    schemes.put(StandardScheme.class, new 
TAlterSentryRoleDeleteUsersResponseStandardSchemeFactory());
+    schemes.put(TupleScheme.class, new 
TAlterSentryRoleDeleteUsersResponseTupleSchemeFactory());
+  }
+
+  private org.apache.sentry.service.thrift.TSentryResponseStatus status; // 
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 {
+    STATUS((short)1, "status");
+
+    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;
+        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.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,
 org.apache.sentry.service.thrift.TSentryResponseStatus.class)));
+    metaDataMap = Collections.unmodifiableMap(tmpMap);
+    
org.apache.thrift.meta_data.FieldMetaData.addStructMetaDataMap(TAlterSentryRoleDeleteUsersResponse.class,
 metaDataMap);
+  }
+
+  public TAlterSentryRoleDeleteUsersResponse() {
+  }
+
+  public TAlterSentryRoleDeleteUsersResponse(
+    org.apache.sentry.service.thrift.TSentryResponseStatus status)
+  {
+    this();
+    this.status = status;
+  }
+
+  /**
+   * Performs a deep copy on <i>other</i>.
+   */
+  public 
TAlterSentryRoleDeleteUsersResponse(TAlterSentryRoleDeleteUsersResponse other) {
+    if (other.isSetStatus()) {
+      this.status = new 
org.apache.sentry.service.thrift.TSentryResponseStatus(other.status);
+    }
+  }
+
+  public TAlterSentryRoleDeleteUsersResponse deepCopy() {
+    return new TAlterSentryRoleDeleteUsersResponse(this);
+  }
+
+  @Override
+  public void clear() {
+    this.status = null;
+  }
+
+  public org.apache.sentry.service.thrift.TSentryResponseStatus getStatus() {
+    return this.status;
+  }
+
+  public void setStatus(org.apache.sentry.service.thrift.TSentryResponseStatus 
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 void setFieldValue(_Fields field, Object value) {
+    switch (field) {
+    case STATUS:
+      if (value == null) {
+        unsetStatus();
+      } else {
+        
setStatus((org.apache.sentry.service.thrift.TSentryResponseStatus)value);
+      }
+      break;
+
+    }
+  }
+
+  public Object getFieldValue(_Fields field) {
+    switch (field) {
+    case STATUS:
+      return getStatus();
+
+    }
+    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();
+    }
+    throw new IllegalStateException();
+  }
+
+  @Override
+  public boolean equals(Object that) {
+    if (that == null)
+      return false;
+    if (that instanceof TAlterSentryRoleDeleteUsersResponse)
+      return this.equals((TAlterSentryRoleDeleteUsersResponse)that);
+    return false;
+  }
+
+  public boolean equals(TAlterSentryRoleDeleteUsersResponse 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;
+    }
+
+    return true;
+  }
+
+  @Override
+  public int hashCode() {
+    HashCodeBuilder builder = new HashCodeBuilder();
+
+    boolean present_status = true && (isSetStatus());
+    builder.append(present_status);
+    if (present_status)
+      builder.append(status);
+
+    return builder.toHashCode();
+  }
+
+  public int compareTo(TAlterSentryRoleDeleteUsersResponse other) {
+    if (!getClass().equals(other.getClass())) {
+      return getClass().getName().compareTo(other.getClass().getName());
+    }
+
+    int lastComparison = 0;
+    TAlterSentryRoleDeleteUsersResponse typedOther = 
(TAlterSentryRoleDeleteUsersResponse)other;
+
+    lastComparison = 
Boolean.valueOf(isSetStatus()).compareTo(typedOther.isSetStatus());
+    if (lastComparison != 0) {
+      return lastComparison;
+    }
+    if (isSetStatus()) {
+      lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.status, 
typedOther.status);
+      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("TAlterSentryRoleDeleteUsersResponse(");
+    boolean first = true;
+
+    sb.append("status:");
+    if (this.status == null) {
+      sb.append("null");
+    } else {
+      sb.append(this.status);
+    }
+    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();
+    }
+  }
+
+  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 
TAlterSentryRoleDeleteUsersResponseStandardSchemeFactory implements 
SchemeFactory {
+    public TAlterSentryRoleDeleteUsersResponseStandardScheme getScheme() {
+      return new TAlterSentryRoleDeleteUsersResponseStandardScheme();
+    }
+  }
+
+  private static class TAlterSentryRoleDeleteUsersResponseStandardScheme 
extends StandardScheme<TAlterSentryRoleDeleteUsersResponse> {
+
+    public void read(org.apache.thrift.protocol.TProtocol iprot, 
TAlterSentryRoleDeleteUsersResponse 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 
org.apache.sentry.service.thrift.TSentryResponseStatus();
+              struct.status.read(iprot);
+              struct.setStatusIsSet(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, 
TAlterSentryRoleDeleteUsersResponse 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();
+      }
+      oprot.writeFieldStop();
+      oprot.writeStructEnd();
+    }
+
+  }
+
+  private static class TAlterSentryRoleDeleteUsersResponseTupleSchemeFactory 
implements SchemeFactory {
+    public TAlterSentryRoleDeleteUsersResponseTupleScheme getScheme() {
+      return new TAlterSentryRoleDeleteUsersResponseTupleScheme();
+    }
+  }
+
+  private static class TAlterSentryRoleDeleteUsersResponseTupleScheme extends 
TupleScheme<TAlterSentryRoleDeleteUsersResponse> {
+
+    @Override
+    public void write(org.apache.thrift.protocol.TProtocol prot, 
TAlterSentryRoleDeleteUsersResponse struct) throws org.apache.thrift.TException 
{
+      TTupleProtocol oprot = (TTupleProtocol) prot;
+      struct.status.write(oprot);
+    }
+
+    @Override
+    public void read(org.apache.thrift.protocol.TProtocol prot, 
TAlterSentryRoleDeleteUsersResponse struct) throws org.apache.thrift.TException 
{
+      TTupleProtocol iprot = (TTupleProtocol) prot;
+      struct.status = new 
org.apache.sentry.service.thrift.TSentryResponseStatus();
+      struct.status.read(iprot);
+      struct.setStatusIsSet(true);
+    }
+  }
+
+}
+

http://git-wip-us.apache.org/repos/asf/sentry/blob/68949951/sentry-provider/sentry-provider-db/src/gen/thrift/gen-javabean/org/apache/sentry/provider/db/service/thrift/TAlterSentryRoleGrantPrivilegeRequest.java
----------------------------------------------------------------------
diff --git 
a/sentry-provider/sentry-provider-db/src/gen/thrift/gen-javabean/org/apache/sentry/provider/db/service/thrift/TAlterSentryRoleGrantPrivilegeRequest.java
 
b/sentry-provider/sentry-provider-db/src/gen/thrift/gen-javabean/org/apache/sentry/provider/db/service/thrift/TAlterSentryRoleGrantPrivilegeRequest.java
index aafa91e..d95752f 100644
--- 
a/sentry-provider/sentry-provider-db/src/gen/thrift/gen-javabean/org/apache/sentry/provider/db/service/thrift/TAlterSentryRoleGrantPrivilegeRequest.java
+++ 
b/sentry-provider/sentry-provider-db/src/gen/thrift/gen-javabean/org/apache/sentry/provider/db/service/thrift/TAlterSentryRoleGrantPrivilegeRequest.java
@@ -721,14 +721,14 @@ public class TAlterSentryRoleGrantPrivilegeRequest 
implements org.apache.thrift.
           case 6: // PRIVILEGES
             if (schemeField.type == org.apache.thrift.protocol.TType.SET) {
               {
-                org.apache.thrift.protocol.TSet _set16 = iprot.readSetBegin();
-                struct.privileges = new 
HashSet<TSentryPrivilege>(2*_set16.size);
-                for (int _i17 = 0; _i17 < _set16.size; ++_i17)
+                org.apache.thrift.protocol.TSet _set32 = iprot.readSetBegin();
+                struct.privileges = new 
HashSet<TSentryPrivilege>(2*_set32.size);
+                for (int _i33 = 0; _i33 < _set32.size; ++_i33)
                 {
-                  TSentryPrivilege _elem18; // required
-                  _elem18 = new TSentryPrivilege();
-                  _elem18.read(iprot);
-                  struct.privileges.add(_elem18);
+                  TSentryPrivilege _elem34; // required
+                  _elem34 = new TSentryPrivilege();
+                  _elem34.read(iprot);
+                  struct.privileges.add(_elem34);
                 }
                 iprot.readSetEnd();
               }
@@ -775,9 +775,9 @@ public class TAlterSentryRoleGrantPrivilegeRequest 
implements org.apache.thrift.
           oprot.writeFieldBegin(PRIVILEGES_FIELD_DESC);
           {
             oprot.writeSetBegin(new 
org.apache.thrift.protocol.TSet(org.apache.thrift.protocol.TType.STRUCT, 
struct.privileges.size()));
-            for (TSentryPrivilege _iter19 : struct.privileges)
+            for (TSentryPrivilege _iter35 : struct.privileges)
             {
-              _iter19.write(oprot);
+              _iter35.write(oprot);
             }
             oprot.writeSetEnd();
           }
@@ -818,9 +818,9 @@ public class TAlterSentryRoleGrantPrivilegeRequest 
implements org.apache.thrift.
       if (struct.isSetPrivileges()) {
         {
           oprot.writeI32(struct.privileges.size());
-          for (TSentryPrivilege _iter20 : struct.privileges)
+          for (TSentryPrivilege _iter36 : struct.privileges)
           {
-            _iter20.write(oprot);
+            _iter36.write(oprot);
           }
         }
       }
@@ -843,14 +843,14 @@ public class TAlterSentryRoleGrantPrivilegeRequest 
implements org.apache.thrift.
       }
       if (incoming.get(1)) {
         {
-          org.apache.thrift.protocol.TSet _set21 = new 
org.apache.thrift.protocol.TSet(org.apache.thrift.protocol.TType.STRUCT, 
iprot.readI32());
-          struct.privileges = new HashSet<TSentryPrivilege>(2*_set21.size);
-          for (int _i22 = 0; _i22 < _set21.size; ++_i22)
+          org.apache.thrift.protocol.TSet _set37 = new 
org.apache.thrift.protocol.TSet(org.apache.thrift.protocol.TType.STRUCT, 
iprot.readI32());
+          struct.privileges = new HashSet<TSentryPrivilege>(2*_set37.size);
+          for (int _i38 = 0; _i38 < _set37.size; ++_i38)
           {
-            TSentryPrivilege _elem23; // required
-            _elem23 = new TSentryPrivilege();
-            _elem23.read(iprot);
-            struct.privileges.add(_elem23);
+            TSentryPrivilege _elem39; // required
+            _elem39 = new TSentryPrivilege();
+            _elem39.read(iprot);
+            struct.privileges.add(_elem39);
           }
         }
         struct.setPrivilegesIsSet(true);

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