    001/*
    002 * Copyright (c) 2007-2016 Concurrent, Inc. All Rights Reserved.
    003 *
    004 * Project and contact information: http://www.cascading.org/
    005 *
    006 * This file is part of the Cascading project.
    007 *
    008 * Licensed under the Apache License, Version 2.0 (the "License");
    009 * you may not use this file except in compliance with the License.
    010 * You may obtain a copy of the License at
    011 *
    012 *     http://www.apache.org/licenses/LICENSE-2.0
    013 *
    014 * Unless required by applicable law or agreed to in writing, software
    015 * distributed under the License is distributed on an "AS IS" BASIS,
    016 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    017 * See the License for the specific language governing permissions and
    018 * limitations under the License.
    019 */
    020
    021package cascading.tuple.hadoop.util;
    022
    023import cascading.tuple.io.TuplePair;
    024
    025/** Class ReverseTuplePairComparator is an implementation of {@link org.apache.hadoop.io.RawComparator}. */
    026public class ReverseGroupingSortingComparator extends GroupingSortingComparator
    027  {
    028  @Override
    029  public int compare( byte[] b1, int s1, int l1, byte[] b2, int s2, int l2 )
    030    {
    031    return -1 * super.compare( b1, s1, l1, b2, s2, l2 );
    032    }
    033
    034  @Override
    035  public int compare( TuplePair lhs, TuplePair rhs )
    036    {
    037    return super.compare( rhs, lhs );
    038    }
    039  }