Package org.apache.hadoop.hive.contrib.mr.example

Source Code of org.apache.hadoop.hive.contrib.mr.example.IdentityMapper

/**
* 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.hive.contrib.mr.example;

import org.apache.hadoop.hive.contrib.mr.GenericMR;
import org.apache.hadoop.hive.contrib.mr.Mapper;
import org.apache.hadoop.hive.contrib.mr.Output;

/**
* Example Mapper (Identity).
*/
public final class IdentityMapper {

  public static void main(final String[] args) throws Exception {
    new GenericMR().map(System.in, System.out, new Mapper() {
      @Override
      public void map(final String[] record, final Output output) throws Exception {
        output.collect(record);
      }
    });
  }

  private IdentityMapper() {
    // prevent instantiation
  }
}
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