hadoop SubApplicationRowKeyPrefix 源码
haddop SubApplicationRowKeyPrefix 代码
文件路径：/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase/hadoop-yarn-server-timelineservice-hbase-common/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/subapplication/SubApplicationRowKeyPrefix.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
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* 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.timelineservice.storage.subapplication;
import org.apache.hadoop.yarn.server.timelineservice.storage.common.RowKeyPrefix;
/**
* Represents a partial rowkey without the entityId or without entityType and
* entityId for the sub application table.
*
*/
public class SubApplicationRowKeyPrefix extends SubApplicationRowKey
implements RowKeyPrefix<SubApplicationRowKey> {
/**
* Creates a prefix which generates the following rowKeyPrefixes for the sub
* application table:
* {@code subAppUserId!clusterId!entityType!entityPrefix!userId}.
*
* @param subAppUserId
* identifying the subApp User
* @param clusterId
* identifying the cluster
* @param entityType
* which entity type
* @param entityIdPrefix
* for entityId
* @param entityId
* for an entity
* @param userId
* for the user who runs the AM
*
* subAppUserId is usually the doAsUser.
* userId is the yarn user that the AM runs as.
*
*/
public SubApplicationRowKeyPrefix(String subAppUserId, String clusterId,
String entityType, Long entityIdPrefix, String entityId,
String userId) {
super(subAppUserId, clusterId, entityType, entityIdPrefix, entityId,
userId);
}
/*
* (non-Javadoc)
*
* @see org.apache.hadoop.yarn.server.timelineservice.storage.subapplication.
* RowKeyPrefix#getRowKeyPrefix()
*/
public byte[] getRowKeyPrefix() {
return super.getRowKey();
}
}
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