001/*
002 * Copyright (c) 2007-2017 Xplenty, 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  }