org.glassfish.ejb.mdb

Class MessageBeanListenerImpl

java.lang.Object

org.glassfish.ejb.mdb.MessageBeanListenerImpl

All Implemented Interfaces:

MessageBeanListener

public class MessageBeanListenerImpl
extends Object
implements MessageBeanListener

Author:

Kenneth Saks

Method Summary

Modifier and Type	Method and Description
void	afterMessageDelivery() Post-delivery notification to the container.
void	beforeMessageDelivery(Method method, boolean txImported) Pre-delivery notification to the container.
Object	deliverMessage(Object[] params) Deliver a message to a message bean instance.
ResourceHandle	getResourceHandle()
void	setResourceHandle(ResourceHandle handle)

Methods inherited from class java.lang.Object

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

Method Detail

setResourceHandle

public void setResourceHandle(ResourceHandle handle)

Specified by:

setResourceHandle in interface MessageBeanListener

getResourceHandle

public ResourceHandle getResourceHandle()

Specified by:

getResourceHandle in interface MessageBeanListener

beforeMessageDelivery

public void beforeMessageDelivery(Method method,
                                  boolean txImported)

Description copied from interface: MessageBeanListener

Pre-delivery notification to the container. Any transaction initialization is peformed here. In addition, when this method returns, the current thread's context class loader will be set the message-bean's application class loader.

Specified by:

beforeMessageDelivery in interface MessageBeanListener

Parameters:

method - is the method that will be invoked during deliverMessage. It is used the container during transaction setup to lookup the appropriate transaction attribute.

txImported - whether a transaction is being imported

deliverMessage

public Object deliverMessage(Object[] params)
                      throws Throwable

Description copied from interface: MessageBeanListener

Deliver a message to a message bean instance.

Specified by:

deliverMessage in interface MessageBeanListener

Parameters:

params - to use of the method invocation. Can be null or an 0-length array if there are 0 arguments.

Throws:

Throwable - This is either an application exception as thrown from the message bean instance or a javax.ejb.EJBException in the case that the bean throws a system exception. Note that exceptions are *always* propagated, regardless of transaction type.

afterMessageDelivery

public void afterMessageDelivery()

Description copied from interface: MessageBeanListener

Post-delivery notification to the container. Container will perform any work required to commit/rollback a container-managed transaction. When this method returns, the thread's context class loader will be restored to the value it had when beforeMessageDelivery was called.

Specified by:

afterMessageDelivery in interface MessageBeanListener