org.eclipse.net4j.util.event
Class Notifier

java.lang.Object
  org.eclipse.net4j.util.event.Notifier

All Implemented Interfaces:

INotifier

Direct Known Subclasses:

AbstractDelegator, ElementWizard, ExecutorServiceNotifier, History, Lifecycle, ValueNotifier

public class Notifier

extends Object

implements INotifier

A default implementation of a notifier.

Since:

3.0

Notifier

public Notifier()

addListener

public void addListener(IListener listener)

Description copied from interface: INotifier

Adds a listener to this notifier.

Depending on the implementation duplicate listeners may lead to duplicate event delivery or not. Implementors are encouraged to prevent events from being delivered more than once to the same listener,

Specified by:

addListener in interface INotifier

removeListener

public void removeListener(IListener listener)

Description copied from interface: INotifier

Removes a listener from this notifier.

Specified by:

removeListener in interface INotifier

hasListeners

public boolean hasListeners()

Description copied from interface: INotifier

Returns true if one or more listeners are registered with this notifier, false otherwise.

Specified by:

hasListeners in interface INotifier

getListeners

public IListener[] getListeners()

Description copied from interface: INotifier

Returns the listeners that are registered with this notifier.

Depending on the implementation duplicate listeners may be contained in the returned array.

Specified by:

getListeners in interface INotifier

fireEvent

public void fireEvent()

Since:

3.2

fireEvent

public void fireEvent(IEvent event)

fireEvent

public void fireEvent(IEvent event,
                      IListener[] listeners)

Since:

3.0

getNotificationService

protected ExecutorService getNotificationService()

Since:

3.0

firstListenerAdded

protected void firstListenerAdded()

Since:

3.0

lastListenerRemoved

protected void lastListenerRemoved()

Since:

3.0