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
019 package org.apache.hadoop.yarn.api.protocolrecords;
020
021 import org.apache.hadoop.classification.InterfaceAudience.Private;
022 import org.apache.hadoop.classification.InterfaceAudience.Public;
023 import org.apache.hadoop.classification.InterfaceStability.Unstable;
024 import org.apache.hadoop.yarn.api.records.ReservationDefinition;
025 import 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
038 public 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 }