org.apache.webbeans.event
Class ObserverMethodImpl<T>

java.lang.Object
  org.apache.webbeans.event.ObserverMethodImpl<T>

Type Parameters:

T - event type

All Implemented Interfaces:

ObserverMethod<T>

Direct Known Subclasses:

BeanObserverXMLImpl

public class ObserverMethodImpl<T>
extends Object
implements ObserverMethod<T>

Defines observers that are declared in observer methods.

Example:

  public class X {
      
      public void afterLoggedIn(@Observes @Current LoggedInEvent event)
      {
          .....
      }
  }
 

Above class X instance observes for the event with type LoggedInEvent and event qualifier is Current. Whenever event is fired, its ObserverMethod#notify() method is called.

Version:

$Rev: 987758 $ $Date: 2010-08-21 15:49:53 +0200 (Sa, 21 Aug 2010) $

Constructor Summary

ObserverMethodImpl(InjectionTargetBean<?> bean, Method observerMethod, boolean ifExist)
Creates a new bean observer instance.

ObserverMethodImpl(InjectionTargetBean<?> bean, Method observerMethod, boolean ifExist, Annotation[] qualifiers, Type observedEventType)
used if the qualifiers and event type are already known, e.g. from the XML.

Method Summary

protected List<org.apache.webbeans.event.ObserverMethodImpl.ObserverParams>	getAnnotatedMethodArguments(Object event) Gets observer method parameters.
Class<?>	getBeanClass() Returns observer owner bean.
protected List<org.apache.webbeans.event.ObserverMethodImpl.ObserverParams>	getMethodArguments(Object event) Returns list of observer method parameters.
Set<Annotation>	getObservedQualifiers()
Type	getObservedType()
Method	getObserverMethod()
Reception	getReception()
TransactionPhase	getTransactionPhase()
void	notify(T event)
void	setAnnotatedMethod(AnnotatedMethod<T> annotatedMethod) Sets annotated method.

Methods inherited from class java.lang.Object

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

Constructor Detail

ObserverMethodImpl

public ObserverMethodImpl(InjectionTargetBean<?> bean,
                          Method observerMethod,
                          boolean ifExist)

Creates a new bean observer instance.

Parameters:

bean - owner

observerMethod - method

ifExist - if exist parameter

ObserverMethodImpl

public ObserverMethodImpl(InjectionTargetBean<?> bean,
                          Method observerMethod,
                          boolean ifExist,
                          Annotation[] qualifiers,
                          Type observedEventType)

used if the qualifiers and event type are already known, e.g. from the XML.

Parameters:

bean -

observerMethod -

ifExist -

qualifiers -

observedEventType -

Method Detail

setAnnotatedMethod

public void setAnnotatedMethod(AnnotatedMethod<T> annotatedMethod)

Sets annotated method.

Parameters:

annotatedMethod - annotated method

notify

public void notify(T event)

Specified by:

notify in interface ObserverMethod<T>

getMethodArguments

protected List<org.apache.webbeans.event.ObserverMethodImpl.ObserverParams> getMethodArguments(Object event)

Returns list of observer method parameters.

Parameters:

event - event instance

Returns:

list of observer method parameters

getAnnotatedMethodArguments

protected List<org.apache.webbeans.event.ObserverMethodImpl.ObserverParams> getAnnotatedMethodArguments(Object event)

Gets observer method parameters.

Parameters:

event - event payload

Returns:

observer method parameters

getBeanClass

public Class<?> getBeanClass()

Returns observer owner bean.

Specified by:

getBeanClass in interface ObserverMethod<T>

Returns:

the bean

getObservedQualifiers

public Set<Annotation> getObservedQualifiers()

Specified by:

getObservedQualifiers in interface ObserverMethod<T>

getObservedType

public Type getObservedType()

Specified by:

getObservedType in interface ObserverMethod<T>

getReception

public Reception getReception()

Specified by:

getReception in interface ObserverMethod<T>

getTransactionPhase

public TransactionPhase getTransactionPhase()

Specified by:

getTransactionPhase in interface ObserverMethod<T>

getObserverMethod

public Method getObserverMethod()