Transmission rules

A message that is put to a remote queue that is defined as synchronous is transmitted immediately. Messages put to remote queues defined as asynchronous are stored within the local queue manager until the queue manager is triggered into transmitting them. The queue manager can be triggered directly by an application. The process can be modified or monitored using the queue manager's transmission rules.

The transmission rules are a subset of the queue manager rules. The two rules that allow control over message transmission are:
triggerTransmission()
This rule determines whether to allow message transmission at the time when the rule is called. This can be used to veto or allow the transmission of all messages, that is, either all or none are allowed to be transmitted.
transmit()
This rule makes a decision to allow transmission on a per queue basis for asynchronous remote queues. For example, this makes it possible only to transmit the messages from queues deemed to be high priority. The transmit() rule is only called if the triggerTransmission() rule returns successfully.

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