com.datasalt.pangool.tuplemr.IdentityTupleReducer.java Source code

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Here is the source code for com.datasalt.pangool.tuplemr.IdentityTupleReducer.java

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/**
 * Copyright [2012] [Datasalt Systems S.L.]
 *
 * Licensed 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 com.datasalt.pangool.tuplemr;

import java.io.IOException;

import org.apache.hadoop.io.NullWritable;

import com.datasalt.pangool.io.ITuple;

@SuppressWarnings("serial")
public class IdentityTupleReducer extends TupleReducer<ITuple, NullWritable> {

    @Override
    public void reduce(ITuple group, Iterable<ITuple> tuples, TupleMRContext context, Collector collector)
            throws IOException, InterruptedException, TupleMRException {

        for (ITuple tuple : tuples) {
            collector.write(tuple, NullWritable.get());
        }
    }
}