diva.graph.toolbox
Class GraphLogger

java.lang.Object
  diva.graph.toolbox.GraphLogger

All Implemented Interfaces:

GraphListener, java.util.EventListener

public class GraphLogger
extends java.lang.Object
implements GraphListener

A logger of graph events. Every event that is sent to this logger is stored in a log which can then be printed out or otherwise analyzed.

Version:

$Id: GraphLogger.java 47564 2007-12-16 07:30:21Z cxh $

Author:

Michael Shilman

Accepted Rating:

Red

Field Summary

private java.util.ArrayList

_log Storage for the log.

Constructor Summary

GraphLogger()

Method Summary

void	edgeHeadChanged(GraphEvent e) Add this event to the log.
void	edgeTailChanged(GraphEvent e) Add this event to the log.
java.util.Iterator	iterator() Return a sequentially-sorted iterator over the GraphEvent objects contained by the log.
void	nodeAdded(GraphEvent e) Add this event to the log.
void	nodeRemoved(GraphEvent e) Add this event to the log.
void	structureChanged(GraphEvent e) Add this event to the log.
java.lang.String	toString() Print the contents of the log into a string.

Methods inherited from class java.lang.Object

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

Field Detail

_log

private java.util.ArrayList _log

Storage for the log.

Constructor Detail

GraphLogger

public GraphLogger()

Method Detail

edgeHeadChanged

public void edgeHeadChanged(GraphEvent e)

Add this event to the log.

Specified by:

edgeHeadChanged in interface GraphListener

edgeTailChanged

public void edgeTailChanged(GraphEvent e)

Add this event to the log.

Specified by:

edgeTailChanged in interface GraphListener

nodeAdded

public void nodeAdded(GraphEvent e)

Add this event to the log.

Specified by:

nodeAdded in interface GraphListener

nodeRemoved

public void nodeRemoved(GraphEvent e)

Add this event to the log.

Specified by:

nodeRemoved in interface GraphListener

structureChanged

public void structureChanged(GraphEvent e)

Add this event to the log.

Specified by:

structureChanged in interface GraphListener

iterator

public java.util.Iterator iterator()

Return a sequentially-sorted iterator over the GraphEvent objects contained by the log.

toString

public java.lang.String toString()

Print the contents of the log into a string.

Overrides:

toString in class java.lang.Object