de.rwth.graph
Class Graph.NodeDyer

java.lang.Object
  |
  +--de.rwth.graph.Graph.NodeDyer

Enclosing class:

Graph

public class Graph.NodeDyer

extends java.lang.Object

Represents a colouring of this graph's nodes. Nodes added after creation of a Dyer can not be used in the NodeDyer.

Field Summary

protected java.lang.Object[]

colors An array with the color for each node in the graph.

Constructor Summary

Graph.NodeDyer()
Creates a new colouring.

Method Summary

java.lang.Object	getColor(Graph.Node node) Gets the color of a node.
void	setColor(Graph.Node node, java.lang.Object color) Sets the colour of a node.
java.lang.String	toString() Creates a string representation of this NodeDyer.

Methods inherited from class java.lang.Object

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

Field Detail

colors

protected java.lang.Object[] colors

An array with the color for each node in the graph.

Constructor Detail

Graph.NodeDyer

public Graph.NodeDyer()

Creates a new colouring.

Method Detail

setColor

public void setColor(Graph.Node node,
                     java.lang.Object color)

Sets the colour of a node.

Parameters:

node - The Node which color is to be set.

color - The Object which is the color of this node.

Throws:

java.lang.IllegalArgumentException - if a node of an alien graph is passed as argument.

getColor

public java.lang.Object getColor(Graph.Node node)

Gets the color of a node.

Parameters:

node - The Node which color is wanted.

Returns:

The color of this node or null if setColor was not called for this node.

Throws:

java.lang.IllegalArgumentException - if a node of an alien graph is passed as argument.

toString

public java.lang.String toString()

Creates a string representation of this NodeDyer. It is suited for layouting the graph using dotty. The shape of this nodes is box.

Overrides:

toString in class java.lang.Object

Returns:

dotty compatible String representation