001    /**
002     * Licensed to the Apache Software Foundation (ASF) under one
003     * or more contributor license agreements.  See the NOTICE file
004     * distributed with this work for additional information
005     * regarding copyright ownership.  The ASF licenses this file
006     * to you under the Apache License, Version 2.0 (the
007     * "License"); you may not use this file except in compliance
008     * with the License.  You may obtain a copy of the License at
009     *
010     *     http://www.apache.org/licenses/LICENSE-2.0
011     *
012     * Unless required by applicable law or agreed to in writing, software
013     * distributed under the License is distributed on an "AS IS" BASIS,
014     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015     * See the License for the specific language governing permissions and
016     * limitations under the License.
017     */
018    
019    package org.apache.hadoop.mapred.lib;
020    
021    
022    import org.apache.hadoop.classification.InterfaceAudience;
023    import org.apache.hadoop.classification.InterfaceStability;
024    import org.apache.hadoop.io.WritableComparable;
025    import org.apache.hadoop.mapred.JobConf;
026    import org.apache.hadoop.mapred.Partitioner;
027    
028    /**
029     * Partitioner effecting a total order by reading split points from
030     * an externally generated source.
031     */
032    @InterfaceAudience.Public
033    @InterfaceStability.Stable
034    public class TotalOrderPartitioner<K extends WritableComparable<?>,V>
035        extends org.apache.hadoop.mapreduce.lib.partition.TotalOrderPartitioner<K, V>
036        implements Partitioner<K,V> {
037    
038      public TotalOrderPartitioner() { }
039    
040      public void configure(JobConf job) {
041        super.setConf(job);
042      }
043    
044    }