Release 10.1A: OpenEdge Development:
Messaging and ESB

Message life cycle

A 4GL-JMS message has a life cycle for sending and a life cycle for receiving.

To manage the sending life cycle of a 4GL-JMS message:

Create a message by running one of the following procedures in the Session object: createBytesMessage procedure, createDataSetMessage procedure, createHeaderMessage procedure, createMapMessage procedure, createMultipartMessage procedure, createStreamMessage procedure, createTempTableMessage procedure, or createXMLMessage procedure.
Populate a message by running set... and write... for header and data information.
Send the message to a destination.
Run the deleteMessage procedure to delete the message.

To manage the receiving life cycle of a 4GL-JMS message:

Receive a message in a Message Consumer object.
Run get... and read... to extract header information and body data.
Run the deleteMessage procedure to delete the message.