com.microsoft.reef.io.storage.util.TupleKeyComparator Maven / Gradle / Ivy

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/**
 * Copyright (C) 2013 Microsoft Corporation
 *
 * 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 com.microsoft.reef.io.storage.util;

import com.microsoft.reef.io.Tuple;

import java.util.Comparator;

public final class TupleKeyComparator implements
    Comparator> {
  private final Comparator c;

  public TupleKeyComparator(Comparator c) {
    this.c = c;
  }

  @Override
  public int compare(Tuple o1, Tuple o2) {
    return c.compare(o1.getKey(), o2.getKey());
  }
}