lv.lumii.layoutengine.flowLayout.horizontalOrdering

Class LayeredGraph

java.lang.Object

lv.lumii.layoutengine.flowLayout.horizontalOrdering.LayeredGraph

public class LayeredGraph
extends java.lang.Object

This class implements an auxiliary layered graph needed for the horizontal ordering in the Flow Layout algorithm.

Constructor Summary

Constructors

Constructor and Description
LayeredGraph(int numberOfLevels) This method is the class constructor.

Method Summary

Modifier and Type	Method and Description
void	addEdge(LayeredNode sourceNode, LayeredNode targetNode) This method adds an edge to this layered graph.
void	addLevelNode(int level, LayeredNode node) This method adds the given node to the specified level.
java.util.ArrayList<LayeredNode>	getLevelNodeList(int level) This method returns the list of nodes of the specified level.
int	getNumberOfLevels() This method returns the number of levels.

Methods inherited from class java.lang.Object

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

Constructor Detail

LayeredGraph

public LayeredGraph(int numberOfLevels)

This method is the class constructor.

Parameters:

numberOfLevels - the number of levels nodes are grouped into.

Method Detail

getNumberOfLevels

public int getNumberOfLevels()

This method returns the number of levels.

Returns:

the number of levels.

addLevelNode

public void addLevelNode(int level,
                         LayeredNode node)

This method adds the given node to the specified level.

Parameters:

level - the level index.

node - the node to be added.

getLevelNodeList

public java.util.ArrayList<LayeredNode> getLevelNodeList(int level)

This method returns the list of nodes of the specified level.

Parameters:

level - the level index.

Returns:

the list of nodes.

addEdge

public void addEdge(LayeredNode sourceNode,
                    LayeredNode targetNode)

This method adds an edge to this layered graph.

Parameters:

sourceNode - the from node of the edge to be added.

targetNode - the to node of the edge to be added.