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What Is Message Driven Beam? |
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Answer» An ENTERPRISE bean that is an asynchronous message consumer. A message-driven bean has no state for a specific CLIENT, but its instance variables can CONTAIN state across the handling of client MESSAGES, including an open database connection and an object reference to an EJB object. A client accesses a message-driven bean by sending messages to the destination for which the bean is a message listener. An enterprise bean that is an asynchronous message consumer. A message-driven bean has no state for a specific client, but its instance variables can contain state across the handling of client messages, including an open database connection and an object reference to an EJB object. A client accesses a message-driven bean by sending messages to the destination for which the bean is a message listener. |
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