001 /* 002 * Copyright (c) 2007-2014 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 */ 020 021 package cascading.tuple.hadoop.util; 022 023 import cascading.tuple.io.TuplePair; 024 025 /** Class ReverseTuplePairComparator is an implementation of {@link org.apache.hadoop.io.RawComparator}. */ 026 public 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 }