/*
 * Copyright 2002-2018 the original author or authors.
 *
 * 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
 *
 *      https://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 org.apache.avro.util.springframework;

import java.util.Comparator;

/**
 * Comparator that adapts Comparables to the Comparator interface. Mainly for
 * internal use in other Comparators, when supposed to work on Comparables.
 *
 * @author Keith Donald
 * @since 1.2.2
 * @param <T> the type of comparable objects that may be compared by this
 *            comparator
 * @see Comparable
 */
class ComparableComparator<T extends Comparable<T>> implements Comparator<T> {

  /**
   * A shared instance of this default comparator. see Comparators#comparable()
   */
  @SuppressWarnings("rawtypes")
  public static final ComparableComparator INSTANCE = new ComparableComparator();

  @Override
  public int compare(T o1, T o2) {
    return o1.compareTo(o2);
  }

}
