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Message Sets: Message set limitations
A message set is the original container for message models used by WebSphere® Message Broker.
You can have as many message definition files as you want within one message set, but you must limit your message sets to a few related message definition files that share the same physical formats.
- Generation of a message dictionary and other representations is quicker.
- Generated documentation is more manageable.
- MRM physical formats apply to all objects within the message
set.
Therefore, for example, if you are using the MRM domain and have an XML message and an unrelated CWF message modeled in the same message set, CWF physical format properties are present for all objects. But the CWF properties are of no interest to the XML message and therefore take default values in those objects, which can result in unwanted task list warnings.
- You cannot use recursion for MRM CWF and TDS physical formats.
Therefore, if you are modeling XML messages that have a recursive structure, you must ensure that recursive XML messages do not share a message set with MRM CWF or TDS physical formats.