listen on multiple queues
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listen on multiple queues
by delphi329
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Hi:
How do I subscribe to multiple queues? E.g. have two queues, /queue/a/b/c and /queue/a/b/d and I want to listen to both of them? Can I use selector on destination header? thanks, |
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Re: listen on multiple queues
by andrewk
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In stomp, you can subscribe to as many destinations as you want for your connection, simply send another subscribe message.
Am I missing something? -Andrew Kuklewicz
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Re: listen on multiple queues
by delphi329
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oh, thanks. I didn't even know that you can subscribe to multiple destination. I am using php and the lack of threading in php means I need to subscribe to multiple destinations.
Where did you find that stomp allow multiple subscription? The only info I can find on stomp is on codehause. thanks, -john
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Re: listen on multiple queues
by andrewk
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it's implicit in the spec for the protocol if you look at the subscribe message - why else have this message if you can only subscribe to one destination?
I suspect the more you use stomp, the more stuff like this should become clear. Good luck, -Andrew
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Re: listen on multiple queues
by Sandeep Chayapathi
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Hi John,
The stomp spec doesn't say if you can subscribe to more than one destination: ---- http://stomp.codehaus.org/Protocol: The SUBSCRIBE command is used to register to listen to a given destination. Like the SEND command, the SUBSCRIBE command requires a destination header indicating which destination to subscribe to. ---- However the stomp transport implementation in activemq (look at org.apache.activemq.transport.stomp.ProtocolConverter class) doesn't allow more than one destination. If you need to subscribe to more than one destination, take a look @ composite destinations. Hope that helps. - Sandeep On Apr 18, 2008, at 10:24 AM, andrewk wrote: > > it's implicit in the spec for the protocol if you look at the > subscribe > message - why else have this message if you can only subscribe to one > destination? > > I suspect the more you use stomp, the more stuff like this should > become > clear. > Good luck, > > -Andrew > > > delphi329 wrote: >> >> oh, thanks. I didn't even know that you can subscribe to multiple >> destination. I am using php and the lack of threading in php means >> I need >> to subscribe to multiple destinations. >> >> Where did you find that stomp allow multiple subscription? The >> only info >> I can find on stomp is on codehause. >> >> thanks, >> >> -john >> >> >> andrewk wrote: >>> >>> In stomp, you can subscribe to as many destinations as you want >>> for your >>> connection, simply send another subscribe message. >>> Am I missing something? >>> >>> -Andrew Kuklewicz >>> >>> >>> delphi329 wrote: >>>> >>>> Hi: >>>> >>>> How do I subscribe to multiple queues? E.g. have two queues, >>>> /queue/a/b/c and /queue/a/b/d and I want to listen to both of >>>> them? Can >>>> I use selector on destination header? >>>> >>>> thanks, >>>> >>>> >>>> >>> >>> >> >> > > -- > View this message in context: http://www.nabble.com/listen-on-multiple-queues-tp16757919p16763448.html > Sent from the stomp - user mailing list archive at Nabble.com. > > > --------------------------------------------------------------------- > To unsubscribe from this list, please visit: > > http://xircles.codehaus.org/manage_email > > --------------------------------------------------------------------- To unsubscribe from this list, please visit: http://xircles.codehaus.org/manage_email |
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Re: listen on multiple queues
by Sandeep Chayapathi
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Im sorry, muy bad. I followed the code in ProtocolConverter.java, it
uses a hashmap to store the destinations for a given consumer id, so you can subscribe to multiple destination by send multiple SUBSCRIBE frames for the same consumer id. Good luck. - Sandeep On Apr 18, 2008, at 11:42 AM, Sandeep Chayapathi wrote: > Hi John, > > The stomp spec doesn't say if you can subscribe to more than one > destination: > > ---- > http://stomp.codehaus.org/Protocol: > > The SUBSCRIBE command is used to register to listen to a given > destination. Like the SEND command, the SUBSCRIBE command requires a > destination header indicating which destination to subscribe to. > ---- > > However the stomp transport implementation in activemq (look at > org.apache.activemq.transport.stomp.ProtocolConverter class) doesn't > allow more than one destination. > > If you need to subscribe to more than one destination, take a look @ > composite destinations. Hope that helps. > > - Sandeep > > On Apr 18, 2008, at 10:24 AM, andrewk wrote: > >> >> it's implicit in the spec for the protocol if you look at the >> subscribe >> message - why else have this message if you can only subscribe to one >> destination? >> >> I suspect the more you use stomp, the more stuff like this should >> become >> clear. >> Good luck, >> >> -Andrew >> >> >> delphi329 wrote: >>> >>> oh, thanks. I didn't even know that you can subscribe to multiple >>> destination. I am using php and the lack of threading in php >>> means I need >>> to subscribe to multiple destinations. >>> >>> Where did you find that stomp allow multiple subscription? The >>> only info >>> I can find on stomp is on codehause. >>> >>> thanks, >>> >>> -john >>> >>> >>> andrewk wrote: >>>> >>>> In stomp, you can subscribe to as many destinations as you want >>>> for your >>>> connection, simply send another subscribe message. >>>> Am I missing something? >>>> >>>> -Andrew Kuklewicz >>>> >>>> >>>> delphi329 wrote: >>>>> >>>>> Hi: >>>>> >>>>> How do I subscribe to multiple queues? E.g. have two queues, >>>>> /queue/a/b/c and /queue/a/b/d and I want to listen to both of >>>>> them? Can >>>>> I use selector on destination header? >>>>> >>>>> thanks, >>>>> >>>>> >>>>> >>>> >>>> >>> >>> >> >> -- >> View this message in context: http://www.nabble.com/listen-on-multiple-queues-tp16757919p16763448.html >> Sent from the stomp - user mailing list archive at Nabble.com. >> >> >> --------------------------------------------------------------------- >> To unsubscribe from this list, please visit: >> >> http://xircles.codehaus.org/manage_email >> >> > > > --------------------------------------------------------------------- > To unsubscribe from this list, please visit: > > http://xircles.codehaus.org/manage_email > > --------------------------------------------------------------------- To unsubscribe from this list, please visit: http://xircles.codehaus.org/manage_email |
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