hadoop FlowActivityRowKeyPrefix 源码
haddop FlowActivityRowKeyPrefix 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/flow/FlowActivityRowKeyPrefix.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.flow;
import org.apache.hadoop.yarn.server.timelineservice.storage.common.RowKeyPrefix;
/**
* A prefix partial rowkey for flow activities.
*/
public class FlowActivityRowKeyPrefix extends FlowActivityRowKey implements
RowKeyPrefix<FlowActivityRowKey> {
/**
* Constructs a row key prefix for the flow activity table as follows:
* {@code clusterId!dayTimestamp!}.
*
* @param clusterId Cluster Id.
* @param dayTs Start of the day timestamp.
*/
public FlowActivityRowKeyPrefix(String clusterId, Long dayTs) {
super(clusterId, dayTs, null, null, false);
}
/**
* Constructs a row key prefix for the flow activity table as follows:
* {@code clusterId!}.
*
* @param clusterId identifying the cluster
*/
public FlowActivityRowKeyPrefix(String clusterId) {
super(clusterId, null, null, null, false);
}
/*
* (non-Javadoc)
*
* @see
* org.apache.hadoop.yarn.server.timelineservice.storage.application.
* RowKeyPrefix#getRowKeyPrefix()
*/
public byte[] getRowKeyPrefix() {
return super.getRowKey();
}
}
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