edu.rice.rubis.beans
Class MDB_Auth

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

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

This is a message driven bean used to provides user authentication services to servlets.

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

Constructor Summary
MDB_Auth()
           
 
Method Summary
 int authenticate(java.lang.String name, java.lang.String password)
          Describe authenticate method here.
 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.
 void onMessage(javax.jms.Message message)
           
 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_Auth

public MDB_Auth()
Method Detail

onMessage

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

authenticate

public int authenticate(java.lang.String name,
                        java.lang.String password)
                 throws java.rmi.RemoteException
Describe authenticate method here.
Parameters:
name - user nick name
password - user password
Returns:
an int value corresponding to the user id or -1 on error

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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