org.apache.tuscany.sca.core.event
Class BaseEventPublisher

java.lang.Object
  org.apache.tuscany.sca.core.event.BaseEventPublisher

All Implemented Interfaces:

EventPublisher

Direct Known Subclasses:

MemoryStore

public abstract class BaseEventPublisher
extends java.lang.Object
implements EventPublisher

Base implementation of an EventPublisher

Field Summary

protected java.util.Map<EventFilter,java.util.List<RuntimeEventListener>>	listeners
protected static EventFilter	TRUE_FILTER

Constructor Summary

BaseEventPublisher()

Method Summary

void	addListener(EventFilter filter, RuntimeEventListener listener) Registers a listener to receive notifications for the context
void	addListener(RuntimeEventListener listener) Registers a listener to receive notifications for the context
protected java.util.Map<EventFilter,java.util.List<RuntimeEventListener>>	getListeners()
void	publish(Event event) Publish an event to all registered listeners
void	removeListener(RuntimeEventListener listener) Removes a previously registered listener

Methods inherited from class java.lang.Object

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

Field Detail

TRUE_FILTER

protected static final EventFilter TRUE_FILTER

listeners

protected java.util.Map<EventFilter,java.util.List<RuntimeEventListener>> listeners

Constructor Detail

BaseEventPublisher

public BaseEventPublisher()

Method Detail

addListener

public void addListener(RuntimeEventListener listener)

Description copied from interface: EventPublisher

Registers a listener to receive notifications for the context

Specified by:

addListener in interface EventPublisher

Parameters:

listener - The listener to add

removeListener

public void removeListener(RuntimeEventListener listener)

Description copied from interface: EventPublisher

Removes a previously registered listener

Specified by:

removeListener in interface EventPublisher

Parameters:

listener - The listener to remove

addListener

public void addListener(EventFilter filter,
                        RuntimeEventListener listener)

Description copied from interface: EventPublisher

Registers a listener to receive notifications for the context

Specified by:

addListener in interface EventPublisher

Parameters:

filter - The filter that will be applied before the lister is called

listener - The lister to add

publish

public void publish(Event event)

Description copied from interface: EventPublisher

Publish an event to all registered listeners

Specified by:

publish in interface EventPublisher

Parameters:

event - The event to publish

getListeners

protected java.util.Map<EventFilter,java.util.List<RuntimeEventListener>> getListeners()