HihoHashPartitioner.java

/**
 * Copyright 2011 Nube Technologies
 *
 * 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 co.nubetech.hiho.dedup;

import org.apache.hadoop.mapreduce.Partitioner;

public class HihoHashPartitioner<K extends HihoTuple, V> extends
		Partitioner<K, V> {

	@Override
	public int getPartition(K key, V value, int numPartitions) {

		return (key.getHash().hashCode() & Integer.MAX_VALUE) % numPartitions;
	}

}