Module org.jpo

Package org.jpo.datamodel

Class NodeNavigator

java.lang.Object

org.jpo.datamodel.NodeNavigator

All Implemented Interfaces:

NodeNavigatorInterface

Direct Known Subclasses:

GroupNavigator, ListNavigator, QueryNavigator, RandomNavigator, SingleNodeNavigator

public abstract class NodeNavigator
extends Object
implements NodeNavigatorInterface

This class implements the NodeNavigatorListener functionality required by the NodeNavigatorInterface but the other methods need to be implements by the extending class.

Constructor Summary

Constructors

Constructor	Description
NodeNavigator()

Method Summary

Modifier and Type	Method	Description
void	addNodeNavigatorListener(NodeNavigatorListener nodeNavigatorListener)	Registers a NodeNavigatorListener
void	notifyNodeNavigatorListeners()	Method that notifies the NodeNavigatorListener of a structural change that they need to respond to.
void	removeNodeNavigatorListener(NodeNavigatorListener nodeNavigatorListener)	Removes a NodeNavigatorListener

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.jpo.datamodel.NodeNavigatorInterface

getNode, getNumberOfNodes, getTitle

Constructor Details

NodeNavigator

public NodeNavigator()

Method Details

addNodeNavigatorListener

public void addNodeNavigatorListener(NodeNavigatorListener nodeNavigatorListener)

Registers a NodeNavigatorListener

Specified by:

addNodeNavigatorListener in interface NodeNavigatorInterface

Parameters:

nodeNavigatorListener - a NodeNavigatorListener to notify

removeNodeNavigatorListener

public void removeNodeNavigatorListener(NodeNavigatorListener nodeNavigatorListener)

Removes a NodeNavigatorListener

Specified by:

removeNodeNavigatorListener in interface NodeNavigatorInterface

Parameters:

nodeNavigatorListener - the listener to remove

notifyNodeNavigatorListeners

public void notifyNodeNavigatorListeners()

Method that notifies the NodeNavigatorListener of a structural change that they need to respond to.

Specified by:

notifyNodeNavigatorListeners in interface NodeNavigatorInterface