Topics: |
An IMS Event is the processing defined on a particular message received from IMS. An IMS program sends a message to communicate that a specific event occurs, for example, when an inventory level crosses a threshold. In the most common use case, an EBCDIC COBOL Copybook formatted record is received, converted to an XML document, and delivered to a queue or program.
All processing details for a message are configured under a channel, which include:
An IMS Event can be configured as REQUEST only, in which the Event consumes a message, or REQUEST/RESPONSE, in which the Event consumes a message and returns a reply message.
The following diagrams and sequences illustrate REQUEST and REQUEST/RESPONSE scenarios:
REQUEST
The following sequence outlines how request messages are processed.
REQUEST/RESPONSE
The following sequence outlines how request/response messages are processed.
A message can be a Copybook formatted record or an XML document.
Copybook formatted messages have the following properties:
XML formatted messages have the following property:
IMS Event handling is supported under Servlet iBSP.