dk.deepthought.sidious.planner.graph
Class AStarEdge

java.lang.Object
  dk.deepthought.sidious.planner.graph.AStarEdge

All Implemented Interfaces:

Edge

public final class AStarEdge
extends java.lang.Object
implements Edge

This class represent an edge in an A*-graph.

Author:

Deepthought

Field Summary

private double	cost The cost of this edge.
private Vertex	endVertex The end vertex.
private Vertex	startVertex The start vertex.
private Step	step The step of to this edge.

Constructor Summary

AStarEdge(Vertex startVertex, Vertex endVertex, Step step, double cost)

Method Summary

boolean	equals(java.lang.Object obj)
double	getCost() Gets the weight of this Edge
Vertex	getEndVertex() Gets the endpoint of this Edge
Vertex	getStartVertex() Gets the startpoint of this Edge
Step	getStep() Gets the Step this Edge represents
int	hashCode()
java.lang.String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

startVertex

private final Vertex startVertex

The start vertex.

endVertex

private final Vertex endVertex

The end vertex.

cost

private final double cost

The cost of this edge.

step

private final Step step

The step of to this edge.

Constructor Detail

AStarEdge

public AStarEdge(Vertex startVertex,
                 Vertex endVertex,
                 Step step,
                 double cost)

Parameters:

startVertex - a vertex defining the startpoint of this edge

endVertex - a vertex defining the endpoint of this edge

step - the origin of this edge

cost - the weight of this edge

Method Detail

getCost

public double getCost()

Description copied from interface: Edge

Gets the weight of this Edge

Specified by:

getCost in interface Edge

Returns:

the cost

getEndVertex

public Vertex getEndVertex()

Description copied from interface: Edge

Gets the endpoint of this Edge

Specified by:

getEndVertex in interface Edge

Returns:

the endVertex

getStartVertex

public Vertex getStartVertex()

Description copied from interface: Edge

Gets the startpoint of this Edge

Specified by:

getStartVertex in interface Edge

Returns:

the startVertex

getStep

public Step getStep()

Description copied from interface: Edge

Gets the Step this Edge represents

Specified by:

getStep in interface Edge

Returns:

the step

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class java.lang.Object