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From vino...@apache.org
Subject svn commit: r1508189 - in /hadoop/common/branches/YARN-321/hadoop-yarn-project: ./ hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-applicationhistoryservice/src/main/java/org/apache/hadoop/yarn/server/applicationhistoryservice/
Date Mon, 29 Jul 2013 19:33:15 GMT
Author: vinodkv
Date: Mon Jul 29 19:33:14 2013
New Revision: 1508189

URL: http://svn.apache.org/r1508189
Log:
YARN-934. Defined a Writer Interface for HistoryStorage. Contributed by Zhijie Shen.

Added:
    hadoop/common/branches/YARN-321/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-applicationhistoryservice/src/main/java/org/apache/hadoop/yarn/server/applicationhistoryservice/ApplicationHistoryWriter.java
Modified:
    hadoop/common/branches/YARN-321/hadoop-yarn-project/CHANGES.txt

Modified: hadoop/common/branches/YARN-321/hadoop-yarn-project/CHANGES.txt
URL: http://svn.apache.org/viewvc/hadoop/common/branches/YARN-321/hadoop-yarn-project/CHANGES.txt?rev=1508189&r1=1508188&r2=1508189&view=diff
==============================================================================
--- hadoop/common/branches/YARN-321/hadoop-yarn-project/CHANGES.txt (original)
+++ hadoop/common/branches/YARN-321/hadoop-yarn-project/CHANGES.txt Mon Jul 29 19:33:14 2013
@@ -40,6 +40,9 @@ Branch YARN-321: Generic ApplicationHist
   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 2.1.1-beta - UNRELEASED
 
   INCOMPATIBLE CHANGES

Added: hadoop/common/branches/YARN-321/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-applicationhistoryservice/src/main/java/org/apache/hadoop/yarn/server/applicationhistoryservice/ApplicationHistoryWriter.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/YARN-321/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-applicationhistoryservice/src/main/java/org/apache/hadoop/yarn/server/applicationhistoryservice/ApplicationHistoryWriter.java?rev=1508189&view=auto
==============================================================================
--- hadoop/common/branches/YARN-321/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-applicationhistoryservice/src/main/java/org/apache/hadoop/yarn/server/applicationhistoryservice/ApplicationHistoryWriter.java
(added)
+++ hadoop/common/branches/YARN-321/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-applicationhistoryservice/src/main/java/org/apache/hadoop/yarn/server/applicationhistoryservice/ApplicationHistoryWriter.java
Mon Jul 29 19:33:14 2013
@@ -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;
+
+}



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