edu.rice.rubis.beans
Class MDB_ViewItem

java.lang.Object
  |
  +--edu.rice.rubis.beans.MDB_ViewItem
All Implemented Interfaces:
javax.ejb.EnterpriseBean, javax.ejb.MessageDrivenBean, javax.jms.MessageListener, java.io.Serializable

public class MDB_ViewItem
extends java.lang.Object
implements javax.ejb.MessageDrivenBean, javax.jms.MessageListener

This is a stateless session bean used to get the information about an item.

Version:
1.1
Author:
Emmanuel Cecchet and Julie Marguerite
See Also:
Serialized Form

Constructor Summary
MDB_ViewItem()
           
 
Method Summary
 void ejbCreate()
          The Message driven bean must define an ejbCreate methods with no args.
 void ejbRemove()
          A container invokes this method before it ends the life of the message-driven object.
 java.lang.String getItemDescription(int itemId, int userId)
          Get the full description of an item and the bidding option if userId>0.
 void onMessage(javax.jms.Message message)
           
 java.lang.String printHTMLHighlighted(java.lang.String msg)
          Construct a html highlighted string.
 void setMessageDrivenContext(javax.ejb.MessageDrivenContext ctx)
          Set the associated context.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

MDB_ViewItem

public MDB_ViewItem()
Method Detail

onMessage

public void onMessage(javax.jms.Message message)
Specified by:
onMessage in interface javax.jms.MessageListener

getItemDescription

public java.lang.String getItemDescription(int itemId,
                                           int userId)
                                    throws java.rmi.RemoteException
Get the full description of an item and the bidding option if userId>0.
Parameters:
item - an Item value
userId - an authenticated user id

printHTMLHighlighted

public java.lang.String printHTMLHighlighted(java.lang.String msg)
Construct a html highlighted string.
Parameters:
msg - the message to display
Returns:
a string in html format
Since:
1.1

setMessageDrivenContext

public void setMessageDrivenContext(javax.ejb.MessageDrivenContext ctx)
Set the associated context. The container call this method after the instance creation. The enterprise Bean instance should store the reference to the context object in an instance variable. This method is called with no transaction context.
Specified by:
setMessageDrivenContext in interface javax.ejb.MessageDrivenBean
Parameters:
MessageDrivenContext - A MessageDrivenContext interface for the instance.
Throws:
javax.ejb.EJBException - Thrown by the method to indicate a failure caused by a system-level error.

ejbCreate

public void ejbCreate()
The Message driven bean must define an ejbCreate methods with no args.

ejbRemove

public void ejbRemove()
A container invokes this method before it ends the life of the message-driven object. This happens when a container decides to terminate the message-driven object. This method is called with no transaction context.
Specified by:
ejbRemove in interface javax.ejb.MessageDrivenBean
Throws:
javax.ejb.EJBException - Thrown by the method to indicate a failure caused by a system-level error.


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