001/**
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018
019package org.apache.hadoop.yarn.api.protocolrecords;
020
021import org.apache.hadoop.classification.InterfaceAudience.Private;
022import org.apache.hadoop.classification.InterfaceAudience.Public;
023import org.apache.hadoop.classification.InterfaceStability.Unstable;
024import org.apache.hadoop.yarn.api.records.ReservationDefinition;
025import org.apache.hadoop.yarn.util.Records;
026
027/**
028 * {@link ReservationUpdateResponse} contains the answer of the admission
029 * control system in the {@code ResourceManager} to a reservation update
030 * operation. Currently response is empty if the operation was successful, if
031 * not an exception reporting reason for a failure.
032 * 
033 * @see ReservationDefinition
034 * 
035 */
036@Public
037@Unstable
038public abstract class ReservationUpdateResponse {
039
040  @Private
041  @Unstable
042  public static ReservationUpdateResponse newInstance() {
043    ReservationUpdateResponse response =
044        Records.newRecord(ReservationUpdateResponse.class);
045    return response;
046  }
047
048}