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YARN-934. Defined a Writer Interface for HistoryStorage. Contributed by Zhijie Shen. 

svn merge --ignore-ancestry -c 1556711 ../YARN-321


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1562175 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Vinod Kumar Vavilapalli 2014-01-28 19:45:24 +00:00
parent 2135ca8623
commit 5682c9c945
2 changed files with 61 additions and 0 deletions
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3
hadoop-yarn-project/CHANGES.txt
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@ -463,6 +463,9 @@ Branch YARN-321: Generic ApplicationHistoryService
YARN-984. Renamed the incorrectly named applicationhistoryservice.records.pb.impl
package to be applicationhistoryservice.records.impl.pb. (Devaraj K via vinodkv)
YARN-934. Defined a Writer Interface for HistoryStorage. (Zhijie Shen via
vinodkv)
Release 2.2.0 - 2013-10-13
INCOMPATIBLE CHANGES

58
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-applicationhistoryservice/src/main/java/org/apache/hadoop/yarn/server/applicationhistoryservice/ApplicationHistoryWriter.java Normal file
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@ -0,0 +1,58 @@
/**
* 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.applicationhistoryservice;
import org.apache.hadoop.classification.InterfaceAudience.Private;
import org.apache.hadoop.classification.InterfaceStability.Unstable;
import org.apache.hadoop.yarn.server.applicationhistoryservice.records.ApplicationAttemptHistoryData;
import org.apache.hadoop.yarn.server.applicationhistoryservice.records.ApplicationHistoryData;
import org.apache.hadoop.yarn.server.applicationhistoryservice.records.ContainerHistoryData;
/**
* It is the interface of writing the application history, exposing the methods
* of writing {@link ApplicationHistoryData},
* {@link ApplicationAttemptHistoryData} and {@link ContainerHistoryData}.
*/
@Private
@Unstable
public interface ApplicationHistoryWriter {
/**
* This method persists an {@link ApplicationHistoryData} object.
* @param app the {@link ApplicationHistoryData} object
* @throws Throwable
*/
void writeApplication(ApplicationHistoryData app) throws Throwable;
/**
* This method persists an {@link ApplicationAttemptHistoryData} object.
* @param appAttempt the {@link ApplicationAttemptHistoryData} object
* @throws Throwable
*/
void writeApplicationAttempt(
ApplicationAttemptHistoryData appAttempt) throws Throwable;
/**
* This method persists a {@link ContainerHistoryData} object.
* @param container the {@link ContainerHistoryData} object
* @throws Throwable
*/
void writeContainer(ContainerHistoryData container) throws Throwable;
}