Edge.java

// *************************************************************************

public class Edge implements EdgeIfc {
	private Vertex start;

	private Vertex end;

	public Edge(Vertex the_start, Vertex the_end, int aweight) {
		start = the_start;
		end = the_end;
		weight = aweight;
	}

	public void adjustAdorns(EdgeIfc the_edge) {
		setWeight(the_edge.getWeight());
	}

	private int weight;

	public void setWeight(int weight) {
		this.weight = weight;
	}

	public int getWeight() {
		return this.weight;
	}

	public Vertex getOtherVertex(Vertex vertex) {
		if (vertex == start)
			return end;
		else if (vertex == end)
			return start;
		else
			return null;
	}

	public Vertex getStart() {
		return start;
	}

	public Vertex getEnd() {
		return end;
	}

	public void display() {
		System.out.print(" Weight=" + weight);
		System.out.println(" start=" + start.getName() + " end="
				+ end.getName());
	}
}