| /* |
| * 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. |
| */ |
| |
| /* $Id$ */ |
| |
| package org.apache.xmlgraphics.util.dijkstra; |
| |
| /** |
| * Represents a vertex to be used by {@link DijkstraAlgorithm}. If you want to represent a city, |
| * you can do "public class City implements Vertex". The purpose of this interface is to make |
| * sure the Vertex implementation implements the Comparable interface so the sorting order is |
| * well-defined even when two vertices have the same penalty/distance from an origin point. |
| * Therefore, make sure you implement the <code>compareTo(Object)</code> and |
| * <code>equals(Object)</code> methods. |
| */ |
| public interface Vertex extends Comparable { |
| |
| } |
