edge.java

发布/订阅系统路由重配算法,可应用于ad hoc环境

/*
 * project: RebecaSim
 * package: graph
 * file:    Edge.java
 * 
 * version: 0.1
 * date:    04.04.2005
 * 
 * This software is part of the diploma thesis "Ein adaptives Brokernetz 
 * für Publish/Subscribe Systeme".
 */
package graph;

/**
 * TODO Insert class description here.
 *
 * @version 04.04.2005
 * @author  parzy
 */
public class Edge extends Element {
	public final Vertex s;
	public final Vertex t;
	
	public Edge(Vertex s, Vertex t) {
		if (s == null || t == null) {
			throw new NullPointerException("Null is not a valid Vertex.");
		}	
		if(s.compareTo(t)<0){
			this.s = s;
			this.t = t;
		}else{
			this.s = t;
			this.t = s;
		}
	}
}