org.argouml.application.events
Class ArgoEventPump

java.lang.Object
  org.argouml.application.events.ArgoEventPump

public final class ArgoEventPump

extends Object

ArgoEventPump is an eventhandler which handles events regarding the loading and unloading of modules.

Nested Class Summary

(package private) class

ArgoEventPump.Pair Data structure handling listener registrations.

Field Summary

private ArrayList	listeners listeners contains the list of register listeners.
private static Logger	LOG Logger.
(package private) static ArgoEventPump	SINGLETON The singleton.

Constructor Summary

private

ArgoEventPump() Constructor.

Method Summary

static void	addListener(ArgoEventListener listener)
static void	addListener(int event, ArgoEventListener listener)
protected void	doAddListener(int event, ArgoEventListener listener)
protected void	doFireEvent(ArgoEvent event)
protected void	doRemoveListener(int event, ArgoEventListener listener) Removes a listener, eventtype pair from the listener list.
static void	fireEvent(ArgoEvent event)
static ArgoEventPump	getInstance()
private void	handleFireEvent(ArgoEvent event, ArgoEventListener listener)
private void	handleFireModuleEvent(ArgoModuleEvent event, ArgoModuleEventListener listener) Handle firing a module event to a given listener.
private void	handleFireNotationEvent(ArgoNotationEvent event, ArgoNotationEventListener listener) Handle firing a notation event.
static void	removeListener(ArgoEventListener listener)
static void	removeListener(int event, ArgoEventListener listener)

Methods inherited from class java.lang.Object

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

Field Detail

LOG

private static final Logger LOG

Logger.

listeners

private ArrayList listeners

listeners contains the list of register listeners. It is a list of ArgoEventPump.Pair.

SINGLETON

static final ArgoEventPump SINGLETON

The singleton.

Constructor Detail

ArgoEventPump

private ArgoEventPump()

Constructor.

Method Detail

getInstance

public static ArgoEventPump getInstance()

Returns:

the singleton

addListener

public static void addListener(ArgoEventListener listener)

Parameters:

listener - The listener to be added.

addListener

public static void addListener(int event,
                               ArgoEventListener listener)

Parameters:

event - the event to what the listener will listen (?)

listener - the listener to be added

removeListener

public static void removeListener(ArgoEventListener listener)

Parameters:

listener - the listener to be removed

removeListener

public static void removeListener(int event,
                                  ArgoEventListener listener)

Parameters:

event - the event to which the listener will not listen any more

listener - the listener to be removed

doAddListener

protected void doAddListener(int event,
                             ArgoEventListener listener)

Parameters:

event - the event to what the listener will listen (?)

listener - the listener to be added

doRemoveListener

protected void doRemoveListener(int event,
                                ArgoEventListener listener)

Removes a listener, eventtype pair from the listener list. TODO: replace the listener implementation with a EventListenerList for better performance

Parameters:

event - the event to which the listener will not listen any more

listener - the listener to be removed

handleFireModuleEvent

private void handleFireModuleEvent(ArgoModuleEvent event,
                                   ArgoModuleEventListener listener)

Handle firing a module event to a given listener.

Parameters:

event - The event fired.

listener - The listener.

handleFireNotationEvent

private void handleFireNotationEvent(ArgoNotationEvent event,
                                     ArgoNotationEventListener listener)

Handle firing a notation event.

Parameters:

event - The event to be fired.

listener - The listener.

handleFireEvent

private void handleFireEvent(ArgoEvent event,
                             ArgoEventListener listener)

fireEvent

public static void fireEvent(ArgoEvent event)

Parameters:

event - the event to be fired

doFireEvent

protected void doFireEvent(ArgoEvent event)

Parameters:

event - the event to be fired