I am a Tibco EMS dev/admin/user. So have created a few patterns around some of Tibco
EMS's features (possibly to our detriment). But I have a couple of scenarios/questions
I'd like to throw out there so I can understand JBoss Messaging better and compare
capability.
One of them is comparing it to the bridging that Tibco provides. We often have an
application which is outputting to a topic and from there we will create a bridge over to
a local queue for consumption by another application and then another bridge to a
different queue (likely with a different selector) for yet another application. This way
we get a nice "routing" going on and can stop/control the flow of messages as
needed and "hook-up" new applications easily. Sometimes we'll bridge one
message type from a single topic to many queues/topics (one to many pattern).
We have a couple of cases where we'll bridge from a queue to a topic in order to
monitor the messages being published without interfering with the consuming application in
the queue. We may even do a one to many pattern with this where one queue is bridged over
to multiple destinations for either production use, support or monitoring. Note, Tibco
does NOT consume the message off the queue when doing this, it basically
"copies" the message under the covers from the queue to the topics.
To that end, is it possible do this pattern in Jboss Messaging? Most importantly is the
ability to go from a Queue to a topic *without* consuming the message off the queue, think
of it like a wiretap to the queue.
Lastly, having not fully installed it yet, is there feature to allow the creation of
"dynamic" bridges (i.e. on the fly using a command line console or JMX
interface)? Again useful for quickly setting up a destination topic and bridging a queue
over to it to see what floats by during the course of operation.
I'm evaluating JBoss messaging and it will be important to NOT have to re-pattern my
apps and support teams if possible.
Thanks
Colin
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