can anyone explain what are Entity,Session and
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03-19-2007, 10:10 AM
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can anyone explain what are Entity,Session and
can anyone explain what are Entity,Session and
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03-19-2007, 11:10 AM
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Entity is used for storage access... Statefull / Stateless Sessions contain / execute a activity or business process..MDBs handle inbound messages... Example: JMS message is sent from a Web Server application requesting account details for a user from the backend host, a MDB is triggered on the inbound traffic, MDB calls up the Session EJB Customer account details service, Session calls a collection of security / role access, web services, jdbc and / or entity beans to grab the data, MDB mediates the reply and responds to the reply queue.In my souces I've included a link to a book on this subject.
www.redbooks.ibm.com
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