February 2002
Beginner to intermediate
544 pages
10h 23m
English
This application simulates, in a simplified way, the work flow of a company's human resources (HR) department when it processes a new hire. This application also demonstrates how to use the J2EE platform to accomplish a task that many JMS client applications perform.
A JMS client must often wait for several messages from various sources. It then uses the information in all these messages to assemble a message that it then sends to another destination. (The common term for this process is joining messages.) Such a task must be transactional, with all the receives and the send as a single transaction. If all the messages are not received successfully, the transaction can be rolled back. For a client ...
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