edu.rice.rubis.beans
Class MDB_BrowseRegions

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

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

This message driven bean gets the list of regions from the database.

Version:
1.0
Author:
Emmanuel Cecchet and Julie Marguerite
See Also:
Serialized Form

Constructor Summary
MDB_BrowseRegions()
           
 
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 listRegions()
          Retrieve the list of regions from the database.
 void onMessage(javax.jms.Message request)
           
 java.lang.String printRegion(java.lang.String name)
          Region related printed functions
 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_BrowseRegions

public MDB_BrowseRegions()
Method Detail

onMessage

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

listRegions

public java.lang.String listRegions()
                             throws java.lang.Exception
Retrieve the list of regions from the database.
Returns:
a string in html format
Since:
1.1

printRegion

public java.lang.String printRegion(java.lang.String name)
Region related printed functions
Parameters:
name - the name of the region 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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