com.jgraph.layout.hierarchical.model

Class JGraphHierarchyEdge

java.lang.Object

com.jgraph.layout.hierarchical.model.JGraphAbstractHierarchyCell

com.jgraph.layout.hierarchical.model.JGraphHierarchyEdge

public class JGraphHierarchyEdge
extends JGraphAbstractHierarchyCell

An abstraction of a hierarchical edge for the hierarchy layout

Field Summary

Fields

Modifier and Type	Field and Description
java.util.List	edges The graph edge(s) this object represents.
protected boolean	isReversed Whether or not the direction of this edge has been reversed internally to create a DAG for the hierarchical layout
JGraphHierarchyNode	source The node this edge is sourced at
JGraphHierarchyNode	target The node this edge targets

Fields inherited from class com.jgraph.layout.hierarchical.model.JGraphAbstractHierarchyCell

height, maxRank, minRank, nextLayerConnectedCells, previousLayerConnectedCells, temp, width, x, y

Constructor Summary

Constructors

Constructor and Description
JGraphHierarchyEdge(java.util.List edges) Constructs a hierarchy edge

Method Summary

Modifier and Type	Method and Description
int	getGeneralPurposeVariable(int layer) Gets the value of temp for the specified layer
java.util.List	getNextLayerConnectedCells(int layer) Returns the cells this cell connects to on the next layer up
java.util.List	getPreviousLayerConnectedCells(int layer) Returns the cells this cell connects to on the next layer down
void	invert() Inverts the direction of this internal edge(s)
boolean	isEdge()
boolean	isReversed()
boolean	isVertex()
void	setGeneralPurposeVariable(int layer, int value) Set the value of temp for the specified layer
void	setReversed(boolean isReversed)

Methods inherited from class com.jgraph.layout.hierarchical.model.JGraphAbstractHierarchyCell

getX, setX, setY

Methods inherited from class java.lang.Object

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

Field Detail

edges

public java.util.List edges

The graph edge(s) this object represents. Parallels edge are all grouped together within one hierarchy edge.

source

public JGraphHierarchyNode source

The node this edge is sourced at

target

public JGraphHierarchyNode target

The node this edge targets

isReversed

protected boolean isReversed

Whether or not the direction of this edge has been reversed internally to create a DAG for the hierarchical layout

Constructor Detail

JGraphHierarchyEdge

public JGraphHierarchyEdge(java.util.List edges)

Constructs a hierarchy edge

Parameters:

edges - a list of real graph edges this abstraction represents

Method Detail

invert

public void invert()

Inverts the direction of this internal edge(s)

isReversed

public boolean isReversed()

Returns:

Returns the isReversed.

setReversed

public void setReversed(boolean isReversed)

Parameters:

isReversed - The isReversed to set.

getNextLayerConnectedCells

public java.util.List getNextLayerConnectedCells(int layer)

Returns the cells this cell connects to on the next layer up

Specified by:

getNextLayerConnectedCells in class JGraphAbstractHierarchyCell

Parameters:

layer - the layer this cell is on

Returns:

the cells this cell connects to on the next layer up

getPreviousLayerConnectedCells

public java.util.List getPreviousLayerConnectedCells(int layer)

Returns the cells this cell connects to on the next layer down

Specified by:

getPreviousLayerConnectedCells in class JGraphAbstractHierarchyCell

Parameters:

layer - the layer this cell is on

Returns:

the cells this cell connects to on the next layer down

isEdge

public boolean isEdge()

Specified by:

isEdge in class JGraphAbstractHierarchyCell

Returns:

whether or not this cell is an edge

isVertex

public boolean isVertex()

Specified by:

isVertex in class JGraphAbstractHierarchyCell

Returns:

whether or not this cell is a node

getGeneralPurposeVariable

public int getGeneralPurposeVariable(int layer)

Gets the value of temp for the specified layer

Specified by:

getGeneralPurposeVariable in class JGraphAbstractHierarchyCell

Parameters:

layer - the layer relating to a specific entry into temp

Returns:

the value for that layer

setGeneralPurposeVariable

public void setGeneralPurposeVariable(int layer,
                                      int value)

Set the value of temp for the specified layer

Specified by:

setGeneralPurposeVariable in class JGraphAbstractHierarchyCell

Parameters:

layer - the layer relating to a specific entry into temp

value - the value for that layer