    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 static org.apache.hadoop.io.WritableComparator.compareBytes;
    024
    025// compare bytes is only Hadoop2
    026public class TupleComparator extends BaseTupleComparator
    027  {
    028  static RawComparison BYTE_COMPARISON = new ByteComparison();
    029
    030  @Override
    031  protected RawComparison getByteComparison()
    032    {
    033    return BYTE_COMPARISON;
    034    }
    035
    036  static class ByteComparison implements RawComparison
    037    {
    038    @Override
    039    public int compare( byte[] buffer1, int offset1, int length1, byte[] buffer2, int offset2, int length2 )
    040      {
    041      return compareBytes( buffer1, offset1, length1, buffer2, offset2, length2 );
    042      }
    043    }
    044  }