The Get JMS Queue Message activity retrieves a message from the specified queue.
This activity allows you to perform a receive operation on the queue as opposed
to waiting for a queue message to be delivered to the Wait
for JMS Queue Message activity or the JMS
Queue Receiver process starter.
You can use the Message Selector field on the
Advanced tab to retrieve a specific queue message from the queue.
The Get JMS Queue Message activity is different
from the Wait for JMS Queue Message activity in the following ways:
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Unlike the Wait for activity, which
starts listening for messages from the time the BusinessWorks engine starts,
this activity starts listening for incoming messages on the specified queue from
the time the activity is triggered.
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This activity can receive only one
message from the specified queue at a time, when the Message Selector is not
used.
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Once triggered, this activity can either
gets a message from the specified destination queue name before timeout and
proceeds or it throws a timeout error and
exits.
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