hadoop FlowRunColumnFamily 源码
haddop FlowRunColumnFamily 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/FlowRunColumnFamily.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.hbase.util.Bytes;
import org.apache.hadoop.yarn.server.timelineservice.storage.common.ColumnFamily;
import org.apache.hadoop.yarn.server.timelineservice.storage.common.Separator;
/**
* Represents the flow run table column families.
*/
public enum FlowRunColumnFamily implements ColumnFamily<FlowRunTable> {
/**
* Info column family houses known columns, specifically ones included in
* columnfamily filters.
*/
INFO("i");
/**
* Byte representation of this column family.
*/
private final byte[] bytes;
/**
* @param value
* create a column family with this name. Must be lower case and
* without spaces.
*/
private FlowRunColumnFamily(String value) {
// column families should be lower case and not contain any spaces.
this.bytes = Bytes.toBytes(Separator.SPACE.encode(value));
}
public byte[] getBytes() {
return Bytes.copy(bytes);
}
}
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