org.openanzo.model.impl
Class BasicEventManager

java.lang.Object
  org.openanzo.model.impl.BasicEventManager

All Implemented Interfaces:

INamedGraphEventManager

public class BasicEventManager
extends java.lang.Object
implements INamedGraphEventManager

Basic implementation of INamedGraphEventManager

Author:

Christopher R. Vincent, Matthew Roy ( mroy@cambridgesemantics.com )

Constructor Summary

BasicEventManager(INamedGraph parentGraph)
Create a new event manager for a NamedGraph

Method Summary

boolean	listening() Return number of listeners
void	notifyAddStatements(org.openrdf.model.Statement... statements) Notify listeners that statements where added
void	notifyDeleteStatements(org.openrdf.model.Statement... statements) Notify listeners that statements where deleted
void	notifyEvent(IEvent event) Notify listeners of event
void	registerListener(INamedGraphListener listener) Register an INamedGraphListener with event manager
void	unregisterListener(INamedGraphListener listener) Unregister an INamedGraphListener from event manager

Methods inherited from class java.lang.Object

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

Constructor Detail

BasicEventManager

public BasicEventManager(INamedGraph parentGraph)

Create a new event manager for a NamedGraph

Parameters:

parentGraph - for this eventManager

Method Detail

registerListener

public void registerListener(INamedGraphListener listener)

Description copied from interface: INamedGraphEventManager

Register an INamedGraphListener with event manager

Specified by:

registerListener in interface INamedGraphEventManager

Parameters:

listener - INamedGraphListener to register

unregisterListener

public void unregisterListener(INamedGraphListener listener)

Description copied from interface: INamedGraphEventManager

Unregister an INamedGraphListener from event manager

Specified by:

unregisterListener in interface INamedGraphEventManager

Parameters:

listener - INamedGraphListener to unregister

listening

public boolean listening()

Return number of listeners

Returns:

number of listeners

notifyEvent

public void notifyEvent(IEvent event)

Description copied from interface: INamedGraphEventManager

Notify listeners of event

Specified by:

notifyEvent in interface INamedGraphEventManager

Parameters:

event - Event to which listeners should be notified

notifyAddStatements

public void notifyAddStatements(org.openrdf.model.Statement... statements)

Description copied from interface: INamedGraphEventManager

Notify listeners that statements where added

Specified by:

notifyAddStatements in interface INamedGraphEventManager

Parameters:

statements - Added statements to which listeners should be notified

notifyDeleteStatements

public void notifyDeleteStatements(org.openrdf.model.Statement... statements)

Description copied from interface: INamedGraphEventManager

Notify listeners that statements where deleted

Specified by:

notifyDeleteStatements in interface INamedGraphEventManager

Parameters:

statements - Deleted statements to which listeners should be notified