/*
* Copyright (c) 2008-2013, Hazelcast, Inc. All Rights Reserved.
*
* 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 tutorials.impl;
import com.hazelcast.mapreduce.Reducer;
import com.hazelcast.mapreduce.ReducerFactory;
public class CountReducerFactory implements ReducerFactory<String, Integer, Integer> {
@Override
public Reducer<Integer, Integer> newReducer(String key) {
return new CountReducer();
}
private static class CountReducer extends Reducer<Integer, Integer> {
private volatile int count;
@Override
public void reduce(Integer value) {
count += value;
}
@Override
public Integer finalizeReduce() {
return count;
}
}
}