org.apache.catalina.manager.util.ReverseComparator Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.apache.catalina.manager.util;
import java.util.Comparator;
import org.apache.catalina.Session;
/**
* Comparator which reverse the sort order
* @author Cédrik LIME
*/
public class ReverseComparator implements Comparator {
protected final Comparator comparator;
/**
*
*/
public ReverseComparator(Comparator comparator) {
super();
this.comparator = comparator;
}
/* (non-Javadoc)
* @see java.util.Comparator#compare(java.lang.Object, java.lang.Object)
*/
@Override
public int compare(Session o1, Session o2) {
int returnValue = comparator.compare(o1, o2);
return (- returnValue);
}
}