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org.objectstyle.cayenne.event
Class EventManager  

java.lang.Object
  org.objectstyle.cayenne.event.EventManager

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public class EventManager

extends java.lang.Object

This class acts as bridge between an Object that wants to inform others about its current state or a change thereof (Publisher) and a list of objects interested in the Subject (Listeners).

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Field Summary
private static EventManager	_defaultManager
private  java.util.Map	_subjects

 

Constructor Summary

EventManager()           Default constructor for new EventManager instances, in case you need one.

 

Method Summary
void	addListener(java.util.EventListener listener, java.lang.String methodName, java.lang.Class eventParameterClass, EventSubject subject)           Register an EventListener for events sent by any sender.
void	addListener(java.util.EventListener listener, java.lang.String methodName, java.lang.Class eventParameterClass, EventSubject subject, java.lang.Object sender)           Register an EventListener for events sent by a specific sender.
static EventManager	getDefaultManager()           This method will return the shared 'default' EventManager.
private  java.util.Set	invocationQueueForSubjectAndSender(EventSubject subject, java.lang.Object sender)
private  java.util.Map	invocationQueuesForSubject(EventSubject subject)
void	postEvent(java.util.EventObject event, EventSubject subject)           Sends an event to all registered objects about a particular subject.
boolean	removeListener(java.util.EventListener listener)           Unregister the specified listener from all event subjects handled by this EventManager instance.
boolean	removeListener(java.util.EventListener listener, EventSubject subject)           Unregister the specified listener for the events about the given subject.
boolean	removeListener(java.util.EventListener listener, EventSubject subject, java.lang.Object sender)           Unregister the specified listener for the events about the given subject and the given sender.

 

Methods inherited from class java.lang.Object

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

 

Field Detail

_defaultManager

private static final EventManager _defaultManager

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_subjects

private java.util.Map _subjects

Constructor Detail

EventManager

public EventManager()

Default constructor for new EventManager instances, in case you need one.

Method Detail

getDefaultManager

public static EventManager getDefaultManager()

This method will return the shared 'default' EventManager.

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addListener

public void addListener(java.util.EventListener listener,
                        java.lang.String methodName,
                        java.lang.Class eventParameterClass,
                        EventSubject subject)
                 throws java.lang.NoSuchMethodException

Register an EventListener for events sent by any sender.

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addListener

public void addListener(java.util.EventListener listener,
                        java.lang.String methodName,
                        java.lang.Class eventParameterClass,
                        EventSubject subject,
                        java.lang.Object sender)
                 throws java.lang.NoSuchMethodException

Register an EventListener for events sent by a specific sender.

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removeListener

public boolean removeListener(java.util.EventListener listener)

Unregister the specified listener from all event subjects handled by this EventManager instance.

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removeListener

public boolean removeListener(java.util.EventListener listener,
                              EventSubject subject)

Unregister the specified listener for the events about the given subject.

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removeListener

public boolean removeListener(java.util.EventListener listener,
                              EventSubject subject,
                              java.lang.Object sender)

Unregister the specified listener for the events about the given subject and the given sender.

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postEvent

public void postEvent(java.util.EventObject event,
                      EventSubject subject)

Sends an event to all registered objects about a particular subject.

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invocationQueuesForSubject

private java.util.Map invocationQueuesForSubject(EventSubject subject)

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invocationQueueForSubjectAndSender

private java.util.Set invocationQueueForSubjectAndSender(EventSubject subject,
                                                         java.lang.Object sender)

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Overview  Package   Class  Use  Deprecated  Index
Home >> All >> org >> objectstyle >> cayenne >> [ event overview ]	PREV CLASS  NEXT CLASS
SUMMARY:  JAVADOC |  SOURCE |  DOWNLOAD | NESTED | FIELD | CONSTR | METHOD	DETAIL: FIELD | CONSTR | METHOD

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