/*
* 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.ignite.internal.processors.hadoop.impl.v2;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.mapreduce.Partitioner;
import org.apache.hadoop.util.ReflectionUtils;
import org.apache.ignite.internal.processors.hadoop.HadoopPartitioner;
/**
* Hadoop partitioner adapter for v2 API.
*/
public class HadoopV2Partitioner implements HadoopPartitioner {
/** Partitioner instance. */
private Partitioner<Object, Object> part;
/**
* @param cls Hadoop partitioner class.
* @param conf Job configuration.
*/
public HadoopV2Partitioner(Class<? extends Partitioner<?, ?>> cls, Configuration conf) {
part = (Partitioner<Object, Object>) ReflectionUtils.newInstance(cls, conf);
}
/** {@inheritDoc} */
@Override public int partition(Object key, Object val, int parts) {
return part.getPartition(key, val, parts);
}
}