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https://issues.apache.org/jira/browse/YARN-11236?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17576333#comment-17576333
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ASF GitHub Bot commented on YARN-11236:
---------------------------------------
slfan1989 commented on code in PR #4711:
URL: https://github.com/apache/hadoop/pull/4711#discussion_r939620389
##########
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/federation/store/records/ReservationHomeSubCluster.java:
##########
@@ -0,0 +1,124 @@
+/**
+ * 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.api.records.ReservationId;
+import org.apache.hadoop.yarn.util.Records;
+
+/**
+ * <p>
+ * ReservationHomeSubCluster is a report of the runtime information of the
+ * reservation that is running in the federated cluster.
+ *
+ * <p>
+ * It includes information such as:
+ * <ul>
+ * <li>{@link ReservationId}</li>
+ * <li>{@link SubClusterId}</li>
+ * </ul>
+ *
+ */
+@Private
+@Unstable
+public abstract class ReservationHomeSubCluster {
+
+ @Private
+ @Unstable
+ public static ReservationHomeSubCluster newInstance(ReservationId appId,
+ SubClusterId homeSubCluster) {
+ ReservationHomeSubCluster appMapping =
+ Records.newRecord(ReservationHomeSubCluster.class);
+ appMapping.setReservationId(appId);
+ appMapping.setHomeSubCluster(homeSubCluster);
+ return appMapping;
+ }
+
+ /**
+ * Get the {@link ReservationId} representing the unique identifier of the
+ * Reservation.
+ *
+ * @return the reservation identifier
+ */
+ @Public
+ @Unstable
+ public abstract ReservationId getReservationId();
+
+ /**
+ * Set the {@link ReservationId} representing the unique identifier of the
+ * Reservation.
+ *
+ * @param reservationId the reservation identifier
+ */
+ @Private
+ @Unstable
+ public abstract void setReservationId(ReservationId reservationId);
+
+ /**
+ * Get the {@link SubClusterId} representing the unique identifier of the
home
+ * subcluster in which the reservation is mapped to.
+ *
+ * @return the home subcluster identifier
+ */
+ @Public
+ @Unstable
+ public abstract SubClusterId getHomeSubCluster();
+
+ /**
+ * Set the {@link SubClusterId} representing the unique identifier of the
home
+ * subcluster in which the ReservationMaster of the reservation is running.
+ *
+ * @param homeSubCluster the home subcluster identifier
+ */
+ @Private
+ @Unstable
+ public abstract void setHomeSubCluster(SubClusterId homeSubCluster);
+
+ @Override
+ public boolean equals(Object obj) {
+ if (this == obj) {
Review Comment:
I will refactor the code using EqualsBuilder and HashBuilder.
> Implement FederationReservationHomeSubClusterStore With MemoryStore
> -------------------------------------------------------------------
>
> Key: YARN-11236
> URL: https://issues.apache.org/jira/browse/YARN-11236
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: federation
> Affects Versions: 3.4.0
> Reporter: fanshilun
> Assignee: fanshilun
> Priority: Major
> Labels: pull-request-available
>
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