examples.jms.trader
Class TraderReceive

java.lang.Object
  |
  +--examples.jms.trader.TraderReceive

public class TraderReceive

extends java.lang.Object

Receives messages and invokes an EJBean to process them.

Author:

Copyright (c) 1999-2002 by BEA Systems, Inc. All Rights Reserved.

Field Summary

static java.lang.String	EJB_HOME Defines EJB stateless session.
static java.lang.String	JMS_FACTORY Defines JMS connection factory.
static java.lang.String	JNDI_FACTORY Defines JNDI context factory.
static java.lang.String	TOPIC Defines JMS topic.
static java.lang.String	TX Defines JTA user transaction.

Constructor Summary

TraderReceive()

Method Summary

void	close() Closes JMS objects.
void	init(javax.naming.Context ctx, java.lang.String topicName) Creates all the necessary objects for receiving messages from a JMS topic.
static void	main(java.lang.String[] args) main() method.
void	processMessages() Message listener interface.

Methods inherited from class java.lang.Object

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

Field Detail

EJB_HOME

public static final java.lang.String EJB_HOME

Defines EJB stateless session.

JMS_FACTORY

public static final java.lang.String JMS_FACTORY

Defines JMS connection factory.

JNDI_FACTORY

public static final java.lang.String JNDI_FACTORY

Defines JNDI context factory.

TOPIC

public static final java.lang.String TOPIC

Defines JMS topic.

TX

public static final java.lang.String TX

Defines JTA user transaction.

Constructor Detail

TraderReceive

public TraderReceive()

Method Detail

close

public void close()
           throws javax.jms.JMSException

Closes JMS objects.

Throws:

javax.jms.JMSException - if JMS fails to close objects due to internal error

init

public void init(javax.naming.Context ctx,
                 java.lang.String topicName)
          throws javax.naming.NamingException,
                 javax.jms.JMSException,
                 java.rmi.RemoteException,
                 javax.ejb.CreateException

Creates all the necessary objects for receiving messages from a JMS topic. The session is transacted so that calling the EJB occurs in the same transaction as dequeueing the message.

Parameters:

ctx - JNDI initial context

topicName - name of topic

Throws:

javax.naming.NamingException - if problem with JNDI context interface

javax.jms.JMSException - if JMS fails during initialization due to an internal error

java.rmi.RemoteException - if problem occurs during remote operation

javax.ejb.CreateException - if problem occurs during creation

main

public static void main(java.lang.String[] args)
                 throws java.lang.Exception

main() method.

Parameters:

args - WebLogic URL

Throws:

java.lang.Exception - if problem occurs

processMessages

public void processMessages()

Message listener interface.