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From d...@apache.org
Subject svn commit: r725910 - /hadoop/core/trunk/src/contrib/streaming/src/java/org/apache/hadoop/streaming/PipeMapRunner.java
Date Fri, 12 Dec 2008 05:24:29 GMT
Author: ddas
Date: Thu Dec 11 21:24:29 2008
New Revision: 725910

URL: http://svn.apache.org/viewvc?rev=725910&view=rev
Log:
HADOOP-4620. Adding PipeMapRunner.java that I missed earlier.

Added:
    hadoop/core/trunk/src/contrib/streaming/src/java/org/apache/hadoop/streaming/PipeMapRunner.java

Added: hadoop/core/trunk/src/contrib/streaming/src/java/org/apache/hadoop/streaming/PipeMapRunner.java
URL: http://svn.apache.org/viewvc/hadoop/core/trunk/src/contrib/streaming/src/java/org/apache/hadoop/streaming/PipeMapRunner.java?rev=725910&view=auto
==============================================================================
--- hadoop/core/trunk/src/contrib/streaming/src/java/org/apache/hadoop/streaming/PipeMapRunner.java
(added)
+++ hadoop/core/trunk/src/contrib/streaming/src/java/org/apache/hadoop/streaming/PipeMapRunner.java
Thu Dec 11 21:24:29 2008
@@ -0,0 +1,38 @@
+/**
+ * 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.streaming;
+
+import org.apache.hadoop.mapred.MapRunner;
+import org.apache.hadoop.mapred.Reporter;
+import org.apache.hadoop.mapred.RecordReader;
+import org.apache.hadoop.mapred.OutputCollector;
+
+import java.io.IOException;
+
+import org.apache.hadoop.util.ReflectionUtils;
+
+public class PipeMapRunner<K1, V1, K2, V2> extends MapRunner<K1, V1, K2, V2>
{
+  public void run(RecordReader<K1, V1> input, OutputCollector<K2, V2> output,
+                  Reporter reporter)
+         throws IOException {
+    PipeMapper pipeMapper = (PipeMapper)getMapper();
+    pipeMapper.startOutputThreads(output, reporter);
+    super.run(input, output, reporter);
+  }
+}



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