Package org.jungrapht.visualization.layout.algorithms.util

Class NetworkSimplex<V,E>

java.lang.Object

org.jungrapht.visualization.layout.algorithms.util.NetworkSimplex<V,E>

Type Parameters:

V - vertex type

E - edge type

public class NetworkSimplex<V,E>
extends Object

The NetworkSimplex algorithm

This class leverages a modified version of the NetworkSimplex class in

Microsoft Automatic Graph Layout,MSAGL

which is licensed as follows:

Copyright (c) Microsoft Corporation

All rights reserved.

MIT License

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the ""Software""), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

This file is re-licensed under the compatible BSD license.

See Also:

"A Technique for Drawing Directed Graphs. Emden R. Gansner, Eleftherios Koutsofios, Stephen C. North, and Gem-Phong Vo"

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	NetworkSimplex.Builder<V,E,T extends NetworkSimplex<V,E>,B extends NetworkSimplex.Builder<V,E,T,B>>

Field Summary

Fields

Modifier and Type	Field	Description
protected Map<LE<V,E>,Integer>	cutMap
protected Map<LE<V,E>,Integer>	cutValues
protected Map<LE<V,E>,Boolean>	edgeInTreeMap
protected List<List<LV<V>>>	layerList
protected Map<LV<V>,Integer>	layers
protected List<LV<V>>	leaves
protected Map<LV<V>,Integer>	lim
protected Map<LV<V>,Integer>	low
protected Map<LV<V>,LE<V,E>>	parent
protected Function<LE<V,E>,Integer>	separationFunction
protected org.jgrapht.Graph<LV<V>,LE<V,E>>	svGraph
protected List<LV<V>>	treeVertices
protected Map<LV<V>,Boolean>	vertexInTreeMap
protected Function<LE<V,E>,Integer>	weightFunction

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	NetworkSimplex(NetworkSimplex.Builder<V,E,?,?> builder)

Method Summary

Modifier and Type	Method	Description
static <V,E> NetworkSimplex.Builder<V,E,?,?>	builder(org.jgrapht.Graph<LV<V>,LE<V,E>> svGraph)
Map<LE<V,E>,Boolean>	getEdgeInTreeMap()
List<List<LV<V>>>	getLayerList()
List<LV<V>>	getTreeVertices()
Map<LV<V>,Boolean>	getVertexInTreeMap()
void	run()

Methods inherited from class java.lang.Object

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

Field Detail

leaves

protected List<LV<V>> leaves

svGraph

protected org.jgrapht.Graph<LV<V>,LE<V,E>> svGraph

weightFunction

protected Function<LE<V,E>,Integer> weightFunction

separationFunction

protected Function<LE<V,E>,Integer> separationFunction

layers

protected Map<LV<V>,Integer> layers

cutValues

protected Map<LE<V,E>,Integer> cutValues

cutMap

protected Map<LE<V,E>,Integer> cutMap

layerList

protected List<List<LV<V>>> layerList

lim

protected Map<LV<V>,Integer> lim

low

protected Map<LV<V>,Integer> low

parent

protected Map<LV<V>,LE<V,E>> parent

treeVertices

protected List<LV<V>> treeVertices

vertexInTreeMap

protected Map<LV<V>,Boolean> vertexInTreeMap

edgeInTreeMap

protected Map<LE<V,E>,Boolean> edgeInTreeMap

Constructor Detail

NetworkSimplex

protected NetworkSimplex(NetworkSimplex.Builder<V,E,?,?> builder)

Method Detail

builder

public static <V,E> NetworkSimplex.Builder<V,E,?,?> builder(org.jgrapht.Graph<LV<V>,LE<V,E>> svGraph)

Type Parameters:

V - the vertex type

Returns:

a Builder ready to configure

run

public void run()

getLayerList

public List<List<LV<V>>> getLayerList()

getTreeVertices

public List<LV<V>> getTreeVertices()

getVertexInTreeMap

public Map<LV<V>,Boolean> getVertexInTreeMap()

getEdgeInTreeMap

public Map<LE<V,E>,Boolean> getEdgeInTreeMap()