/*
 * Copyright (c) 2007-2017 Xplenty, Inc. All Rights Reserved.
 *
 * Project and contact information: http://www.cascading.org/
 *
 * This file is part of the Cascading project.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package cascading.tuple.hadoop.util;

import static org.apache.hadoop.io.WritableComparator.compareBytes;

// compare bytes is only Hadoop2
public class TupleComparator extends BaseTupleComparator
  {
  static RawComparison BYTE_COMPARISON = new ByteComparison();

  @Override
  protected RawComparison getByteComparison()
    {
    return BYTE_COMPARISON;
    }

  static class ByteComparison implements RawComparison
    {
    @Override
    public int compare( byte[] buffer1, int offset1, int length1, byte[] buffer2, int offset2, int length2 )
      {
      return compareBytes( buffer1, offset1, length1, buffer2, offset2, length2 );
      }
    }
  }