org.apache.hadoop.hive.ql.exec.mr.ExecMapRunner Maven / Gradle / Ivy
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* 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
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package org.apache.hadoop.hive.ql.exec.mr;
import java.io.IOException;
import org.apache.hadoop.mapred.MapRunner;
import org.apache.hadoop.mapred.Mapper;
import org.apache.hadoop.mapred.OutputCollector;
import org.apache.hadoop.mapred.RecordReader;
import org.apache.hadoop.mapred.Reporter;
public class ExecMapRunner extends MapRunner {
@Override
public void run(RecordReader input, OutputCollector output, Reporter reporter) throws IOException {
Mapper mapper = getMapper();
if (mapper instanceof ExecMapper) {
ExecMapper execMapper = (ExecMapper) mapper;
execMapper.ensureOutputInitialize(output, reporter);
}
super.run(input, output, reporter);
}
}