com.orientechnologies.common.comparator.ODefaultComparator Maven / Gradle / Ivy

/*
  *
  *  *  Copyright 2014 Orient Technologies LTD (info(at)orientechnologies.com)
  *  *
  *  *  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.
  *  *
  *  * For more information: http://www.orientechnologies.com
  *
  */
package com.orientechnologies.common.comparator;

import java.util.Comparator;

/**
 * Comparator that calls {@link Comparable#compareTo(Object)} methods for getting results for all {@link Comparable} types.
 * Otherwise result of {@link Comparator} that returned from {@link OComparatorFactory} will be used.
 * 
 * The special case is null values. Null is treated as smallest value against other values. If both arguments are null they are
 * treated as equal.
 * 
 * @author Andrey Lomakin
 * @since 03.07.12
 */
public class ODefaultComparator implements Comparator