It may be of interest that some vendors are already offering extensions to
allow existing MDBs to process messages sent over other protocols. For the
time being, these implementations are likely to rely on some form of
protocol mediation to ensure that the beans themselves are fully portable
across containers. There was some discussion of this in the January issue of
JavaPro, including code examples.
Greg
-----Original Message-----
From: Richard Monson-Haefel [mailto:[EMAIL PROTECTED]]
Sent: Friday, January 19, 2001 10:05 AM
To: [EMAIL PROTECTED]
Subject: Re: what is the use of MDB?
<text deleted/>
In the future message-driven beans may be specified for other message
systems
such as SMTP, but EJB 2.0 only supports JMS based message-driven beans.
Contrary to other comments on this list, MDB can receive also send JMS
messages
using the JMS API, just like any other enterprise bean can send a JMS
messages. But they are driven, hence the name, by incoming JMS messages.
--
Richard Monson-Haefel
Author of Enterprise JavaBeans, 2nd Edition (O'Reilly 2000)
Co-Author of Java Message Service (O'Reilly 2000)
http://www.EjbNow.com
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