/** * 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; 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); } }