Queue rules
In the Java codebase, each queue has its own set of rules. A solution can
extend the behavior of these rules. All queue rules should descend from class
com.ibm.mqe.MQeQueueRule.
In the C codebase, only a single set of rules is loaded. A user can implement
different rules for different queues by loading other rules modules from the
'master' module. The master rules functions can then invoke the corresponding
functions in any other modules as required.
Queue rules are called when:
- The queue is activated.
- The queue is closed.
- A message is placed on the queue using a put operation (Java codebase
only).
- A message is removed from the queue using a get operation.
- A message is deleted from the queue using a delete operation (Java codebase
only).
- The queue is browsed.
- An undo operation is performed on a message on the queue.
- A message listener is added to the queue (Java codebase only).
- A message listener is removed from the queue (Java codebase only).
- A message expires.
- An attempt is made to change a queue's attributes, that is authenticator,
cryptor, compressor (Java codebase only).
- A duplicate message is put onto a queue.
- A message is being transmitted from a remote asynchronouse queue.