hadoop TimelineWriter 源码
haddop TimelineWriter 代码
文件路径：/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-applicationhistoryservice/src/main/java/org/apache/hadoop/yarn/server/timeline/TimelineWriter.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.timeline;
import java.io.IOException;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.classification.InterfaceStability;
import org.apache.hadoop.yarn.api.records.timeline.TimelineEntities;
import org.apache.hadoop.yarn.api.records.timeline.TimelineDomain;
import org.apache.hadoop.yarn.api.records.timeline.TimelinePutResponse;
/**
* This interface is for storing timeline information.
*/
@InterfaceAudience.Private
@InterfaceStability.Unstable
public interface TimelineWriter {
/**
* Stores entity information to the timeline store. Any errors occurring for
* individual put request objects will be reported in the response.
*
* @param data
* a {@link TimelineEntities} object.
* @return a {@link TimelinePutResponse} object.
* @throws IOException
*/
TimelinePutResponse put(TimelineEntities data) throws IOException;
/**
* Store domain information to the timeline store. If A domain of the
* same ID already exists in the timeline store, it will be COMPLETELY updated
* with the given domain.
*
* @param domain
* a {@link TimelineDomain} object
* @throws IOException
*/
void put(TimelineDomain domain) throws IOException;
}
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