I have been trying to figure out if this is possible - and I may be missing
the answer completely...or maybe it's just not possible..
What I need to do is this:
I am trying to create a generic process that will accept SQL queries (that
get sent to the trigger directory on a scheduled basis with a CRON entry) -
the queries will take a (relatively) long time to execute. So if a second
query is scheduled to run while the first is still running - I want the
second to run in a different thread so they can run simultaneously.
I noticed there is a "concurrentConsumers" property on a JMS endpoint. Does
that do essentially this process, however it is only for JMS? Like you
could set concurrentConsumers = 4 - and with a single application you can
have it processing 4 JMS messages simultaneously? (if it's a Queue - same
message, 4 times if it is a Topic).
This is basically the route that I am using for the process:
from("file://c:/triggerdirectory").process(someProcessor);
However this will (in my understanding) only handle 1 file at a time. So if
a second file arrives, it will not get processed until the first one is
finished and returns from the processor.
Reading the concurrentConsumers documentation
(http://activemq.apache.org/camel/competing-consumers.html) - I am wondering
if something like this might work...
from("file://c:/triggerdirectory").to("seda:filetrigger")
from("seda:filetrigger?concurrentConsumers=5").to(someProcessor);
Will that then cause the triggered file to go the seda queue and then have
the second route do the parallel processing (up to 5 at a time) of the file
while the first route will go back to listening to the directory? Assuming
this is all defined within a single camel context and running application.
Any ideas? Thanks in advance!
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