jlibs.core.util.VisitingComparator Maven / Gradle / Ivy
/**
* Copyright 2015 Santhosh Kumar Tekuri
*
* The JLibs authors license 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 jlibs.core.util;
import jlibs.core.graph.Visitor;
/**
* @author Santhosh Kumar T
*/
public class VisitingComparator extends DefaultComparator{
private Visitor visitor;
public VisitingComparator(Visitor visitor){
this.visitor = visitor;
}
@Override
@SuppressWarnings({"unchecked"})
protected int _compare(T o1, T o2) {
return visitor.visit(o1).compareTo(visitor.visit(o2));
}
}