org.springframework.util.comparator.ComparableComparator Maven / Gradle / Ivy
/*
* 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.springframework.util.comparator;
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 the type of comparable objects that may be compared by this comparator
* @see Comparable
*/
public class ComparableComparator> implements Comparator {
/**
* 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);
}
}