org.opennms.features.topology.app.internal.jung

Class TopoFRLayout<V,E>

java.lang.Object

edu.uci.ics.jung.algorithms.layout.AbstractLayout<V,E>

org.opennms.features.topology.app.internal.jung.TopoFRLayout<V,E>

All Implemented Interfaces:

edu.uci.ics.jung.algorithms.layout.Layout<V,E>, edu.uci.ics.jung.algorithms.util.IterativeContext, org.apache.commons.collections15.Transformer<V,Point2D>

public class TopoFRLayout<V,E>
extends edu.uci.ics.jung.algorithms.layout.AbstractLayout<V,E>
implements edu.uci.ics.jung.algorithms.util.IterativeContext

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected static class	TopoFRLayout.FRVertexData

Field Summary

Fields inherited from class edu.uci.ics.jung.algorithms.layout.AbstractLayout

graph, initialized, locations, size

Constructor Summary

Constructors

Constructor and Description
TopoFRLayout(edu.uci.ics.jung.graph.Graph<V,E> g) Creates an instance for the specified graph.
TopoFRLayout(edu.uci.ics.jung.graph.Graph<V,E> g, Dimension d) Creates an instance of size d for the specified graph.

Method Summary

Methods

Modifier and Type	Method and Description
protected void	calcAttraction(E e)
protected void	calcPositions(V v)
protected void	calcRepulsion(V v1)
boolean	done() Returns true once the current iteration has passed the maximum count, MAX_ITERATIONS.
protected TopoFRLayout.FRVertexData	getFRData(V v)
void	initialize()
boolean	isIncremental() This one is an incremental visualization.
void	reset()
void	setAttractionMultiplier(double attraction) Sets the attraction multiplier.
void	setMaxIterations(int maxIterations) Sets the maximum number of iterations.
void	setRepulsionMultiplier(double repulsion) Sets the repulsion multiplier.
void	setSize(Dimension size)
void	step() Moves the iteration forward one notch, calculation attraction and repulsion between vertices and edges and cooling the temperature.

Methods inherited from class edu.uci.ics.jung.algorithms.layout.AbstractLayout

getGraph, getSize, getX, getY, isLocked, lock, lock, offsetVertex, setGraph, setInitializer, setLocation, setLocation, transform

Methods inherited from class java.lang.Object

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

Constructor Detail

TopoFRLayout

public TopoFRLayout(edu.uci.ics.jung.graph.Graph<V,E> g)

Creates an instance for the specified graph.

TopoFRLayout

public TopoFRLayout(edu.uci.ics.jung.graph.Graph<V,E> g,
            Dimension d)

Creates an instance of size d for the specified graph.

Method Detail

setSize

public void setSize(Dimension size)

Specified by:

setSize in interface edu.uci.ics.jung.algorithms.layout.Layout<V,E>

Overrides:

setSize in class edu.uci.ics.jung.algorithms.layout.AbstractLayout<V,E>

setAttractionMultiplier

public void setAttractionMultiplier(double attraction)

Sets the attraction multiplier.

setRepulsionMultiplier

public void setRepulsionMultiplier(double repulsion)

Sets the repulsion multiplier.

reset

public void reset()

Specified by:

reset in interface edu.uci.ics.jung.algorithms.layout.Layout<V,E>

initialize

public void initialize()

Specified by:

initialize in interface edu.uci.ics.jung.algorithms.layout.Layout<V,E>

step

public void step()

Moves the iteration forward one notch, calculation attraction and repulsion between vertices and edges and cooling the temperature.

Specified by:

step in interface edu.uci.ics.jung.algorithms.util.IterativeContext

calcPositions

protected void calcPositions(V v)

calcAttraction

protected void calcAttraction(E e)

calcRepulsion

protected void calcRepulsion(V v1)

setMaxIterations

public void setMaxIterations(int maxIterations)

Sets the maximum number of iterations.

getFRData

protected TopoFRLayout.FRVertexData getFRData(V v)

isIncremental

public boolean isIncremental()

This one is an incremental visualization.

done

public boolean done()

Returns true once the current iteration has passed the maximum count, MAX_ITERATIONS.

Specified by:

done in interface edu.uci.ics.jung.algorithms.util.IterativeContext