wt.epm.retriever.graph
Class GraphEdge

java.lang.Object
  wt.epm.retriever.graph.GraphEdge

Direct Known Subclasses:

ResultGraph.Link

public class GraphEdge

extends Object

Represents a link (edge) of a graph. Holds references to both incident nodes.

Field Summary

protected int	id
protected GraphNode	nodeA
protected GraphNode	nodeB
protected int	type

Constructor Summary

protected

GraphEdge(GraphNode nodeA, GraphNode nodeB)

Method Summary

GraphNode	getChildGraphNode()
int	getId() The number of this Link in the getLinks() array.
int	getLinkType() LNK_TREE, LNK_JOINT or LNK_INVERT (see AbstractGraph).
GraphNode	getParentGraphNode()
boolean	isTreeLink() Shortcut to getLinkType()==LNK_TREE

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

nodeA

protected GraphNode nodeA

nodeB

protected GraphNode nodeB

id

protected int id

type

protected int type

Constructor Detail

GraphEdge

protected GraphEdge(GraphNode nodeA,
                    GraphNode nodeB)

Method Detail

getParentGraphNode

public final GraphNode getParentGraphNode()

getChildGraphNode

public final GraphNode getChildGraphNode()

getId

public final int getId()

The number of this Link in the getLinks() array.

Returns:

int

getLinkType

public final int getLinkType()

LNK_TREE, LNK_JOINT or LNK_INVERT (see AbstractGraph).

Returns:

int

isTreeLink

public final boolean isTreeLink()

Shortcut to getLinkType()==LNK_TREE

Returns:

boolean