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.Public;
022 import org.apache.hadoop.classification.InterfaceStability.Unstable;
023 import org.apache.hadoop.yarn.api.records.ReservationDefinition;
024 import org.apache.hadoop.yarn.api.records.ReservationId;
025 import org.apache.hadoop.yarn.util.Records;
026
027 /**
028 * {@link ReservationUpdateRequest} captures the set of requirements the user
029 * has to update an existing reservation.
030 *
031 * @see ReservationDefinition
032 *
033 */
034 @Public
035 @Unstable
036 public abstract class ReservationUpdateRequest {
037
038 @Public
039 @Unstable
040 public static ReservationUpdateRequest newInstance(
041 ReservationDefinition reservationDefinition, ReservationId reservationId) {
042 ReservationUpdateRequest request =
043 Records.newRecord(ReservationUpdateRequest.class);
044 request.setReservationDefinition(reservationDefinition);
045 request.setReservationId(reservationId);
046 return request;
047 }
048
049 /**
050 * Get the {@link ReservationDefinition} representing the updated user
051 * constraints for this reservation
052 *
053 * @return the reservation definition representing user constraints
054 */
055 @Public
056 @Unstable
057 public abstract ReservationDefinition getReservationDefinition();
058
059 /**
060 * Set the {@link ReservationDefinition} representing the updated user
061 * constraints for this reservation
062 *
063 * @param reservationDefinition the reservation request representing the
064 * reservation
065 */
066 @Public
067 @Unstable
068 public abstract void setReservationDefinition(
069 ReservationDefinition reservationDefinition);
070
071 /**
072 * Get the {@link ReservationId}, that corresponds to a valid resource
073 * allocation in the scheduler (between start and end time of this
074 * reservation)
075 *
076 * @return the {@link ReservationId} representing the unique id of the
077 * corresponding reserved resource allocation in the scheduler
078 */
079 @Public
080 @Unstable
081 public abstract ReservationId getReservationId();
082
083 /**
084 * Set the {@link ReservationId}, that correspond to a valid resource
085 * allocation in the scheduler (between start and end time of this
086 * reservation)
087 *
088 * @param reservationId the {@link ReservationId} representing the the unique
089 * id of the corresponding reserved resource allocation in the
090 * scheduler
091 */
092 @Public
093 @Unstable
094 public abstract void setReservationId(ReservationId reservationId);
095
096 }