hadoop GetReservationHomeSubClusterResponse 源码

  • 2022-10-20
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haddop GetReservationHomeSubClusterResponse 代码

文件路径:/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/federation/store/records/GetReservationHomeSubClusterResponse.java

/**
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with this
 * work for additional information regarding copyright ownership.  The ASF
 * licenses this file to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * <p>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p>
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */

package org.apache.hadoop.yarn.server.federation.store.records;

import org.apache.hadoop.classification.InterfaceAudience.Private;
import org.apache.hadoop.classification.InterfaceAudience.Public;
import org.apache.hadoop.classification.InterfaceStability.Unstable;
import org.apache.hadoop.yarn.util.Records;

/**
 * <p>
 * The response sent by <code>Federation state
 * store</code> to a query for the home subcluster of a newly submitted
 * reservation.
 *
 * <p>
 * The request includes the mapping details, i.e.:
 * <ul>
 * <li>{@code ReservationId}</li>
 * <li>{@code SubClusterId}</li>
 * </ul>
 */
@Private
@Unstable
public abstract class GetReservationHomeSubClusterResponse {

  @Private
  @Unstable
  public static GetReservationHomeSubClusterResponse newInstance(
      ReservationHomeSubCluster reservationHomeSubCluster) {
    GetReservationHomeSubClusterResponse mapResponse =
        Records.newRecord(GetReservationHomeSubClusterResponse.class);
    mapResponse.setReservationHomeSubCluster(reservationHomeSubCluster);
    return mapResponse;
  }

  /**
   * Get the {@link ReservationHomeSubCluster} representing the mapping of the
   * Reservation to it's home sub-cluster.
   *
   * @return the mapping of the reservation to it's home sub-cluster.
   */
  @Public
  @Unstable
  public abstract ReservationHomeSubCluster getReservationHomeSubCluster();

  /**
   * Set the {@link ReservationHomeSubCluster} representing the mapping of the
   * Reservation to it's home sub-cluster.
   *
   * @param reservationHomeSubCluster the mapping of the reservation to it's home sub-cluster.
   */
  @Private
  @Unstable
  public abstract void setReservationHomeSubCluster(
      ReservationHomeSubCluster reservationHomeSubCluster);
}

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