net.claribole.zgrviewer.dot
Class Node

java.lang.Object
  net.claribole.zgrviewer.dot.Node

Direct Known Subclasses:

net.claribole.zgrviewer.dot.CommonNode, SubGraph

public abstract class Node

extends java.lang.Object

Abstract node class containing basic common attributes and accessing methods

Author:

Eric Mounhem

Constructor Summary

protected	Node(java.lang.Object root)
	Node(java.lang.Object root, java.lang.String id) Create a new Node instance

Method Summary

protected void	addInEdge(Edge edge) Add an incoming edge to the node
protected void	addOutEdge(Edge edge) Add an outcoming edge to the node
protected void	changeOption(java.lang.String name, java.lang.String value)
Edge[]	getIn() Get the edges entering this node
Edge[]	getOut() Get the edges exiting this node
Graph	getRootGraph()
protected java.lang.String	nodeOptions() Write node options
protected java.lang.String	printOption(java.lang.String attribute, boolean value) Write a boolean option
protected java.lang.String	printOption(java.lang.String attribute, double value) Write a double option
protected java.lang.String	printOption(java.lang.String attribute, int value) Write an integer option
protected java.lang.String	printOption(java.lang.String attribute, java.lang.String value) Write a String option
protected void	removeInEdge(Edge edge) Remove an incoming edge to the node
protected void	removeOutEdge(Edge edge) Remove an outcoming edge to the node
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

Node

public Node(java.lang.Object root,
            java.lang.String id)
     throws java.lang.Exception

Create a new Node instance

Parameters:

root - root of the Node

id - identification string of the node in the graph

Throws:

java.lang.Exception - the node must have an ID (unless it is a SubRecord node)

Node

protected Node(java.lang.Object root)
        throws java.lang.Exception

Method Detail

getIn

public Edge[] getIn()

Get the edges entering this node

Returns:

list of entering edges

getOut

public Edge[] getOut()

Get the edges exiting this node

Returns:

list of exiting edges

addInEdge

protected void addInEdge(Edge edge)

Add an incoming edge to the node

Parameters:

edge -

addOutEdge

protected void addOutEdge(Edge edge)

Add an outcoming edge to the node

Parameters:

edge -

removeInEdge

protected void removeInEdge(Edge edge)

Remove an incoming edge to the node

Parameters:

edge -

removeOutEdge

protected void removeOutEdge(Edge edge)

Remove an outcoming edge to the node

Parameters:

edge -

changeOption

protected void changeOption(java.lang.String name,
                            java.lang.String value)
                     throws java.lang.Exception

Throws:

java.lang.Exception

toString

public java.lang.String toString()

See Also:

Object.toString()

nodeOptions

protected java.lang.String nodeOptions()

Write node options

Returns:

Modified attributes values

printOption

protected java.lang.String printOption(java.lang.String attribute,
                                       boolean value)

Write a boolean option

Parameters:

attribute -

value -

Returns:

A GraphViz boolean value

printOption

protected java.lang.String printOption(java.lang.String attribute,
                                       double value)

Write a double option

Parameters:

attribute -

value -

Returns:

A GraphViz double value

printOption

protected java.lang.String printOption(java.lang.String attribute,
                                       int value)

Write an integer option

Parameters:

attribute -

value -

Returns:

A GraphViz integer value

printOption

protected java.lang.String printOption(java.lang.String attribute,
                                       java.lang.String value)

Write a String option

Parameters:

attribute -

value -

Returns:

A GraphViz String value

getRootGraph

public Graph getRootGraph()