Hi, also take a look at:
http://activemq.apache.org/how-should-i-implement-request-response-with-jms.html http://camel.apache.org/request-reply.html Regards -- Dejan Bosanac ----------------- FuseSource - The experts in open source integration and messaging. Email: dej...@fusesource.com Web: http://fusesource.com Twitter: http://twitter.com/dejanb ActiveMQ in Action - http://www.manning.com/snyder/ Blog - http://www.nighttale.net On Tue, Mar 8, 2011 at 8:12 AM, Christian Schneider <ch...@die-schneider.net > wrote: > Hi, > > implementing services using queues works quite well. As always you have > several options. > > First thing is that you have to decide which message format you want. > Dependending on the format you have several options: > > - SOAP : You can use a webservices framework with support for SOAP/JMS. For > example CXF or Axis2 > - XML, Java Serialization : You can either do this by hand, using spring > jms abstractions or Apache Camel > > Generally all of the options send back a message using the replyTo message > header. You set this header to a queue where you expect the reply. Most > times you will use a temporary queue for this. The client creates a > temporary queue, sets it as reply to, sends the message and listens for > replies on the temp queue. > > As this is not the easiest thing to do by hand I suggest you take a look at > Apache Camel first. Chances are high it solves your problem very easily. > > For example you can use a camel producertemplate on the client side: > > MyResponse resonse = producerTemplate.requestBody("jms:myQueue", > myRequest); > > On the server side the easiest way to go is to use: > > class MyServerClass { > @Consume("jms:myQueue") > public MyResponse handleRequest(MyRequest myRequest) { > } > } > > This is almost all you need to for request reply processing with jms, > temporary reply queues and java serialization. > > Christian > > > Am 07.03.2011 22:58, schrieb walter: > > I am exploring the possibility to replace one of our Web Services >> implementation with message queues. Conceptually clients will be >> connected >> to the server with “Network of Brokers” as follow: >> Many Clients (broker)<--> (broker) Server >> with duplex = 'true'. The clients will put messages to a queue consumed >> by >> the server. Is this a viable solution and what is a workable way to pass >> the messages from the server back to the appropriate client? >> >> -- >> View this message in context: >> http://activemq.2283324.n4.nabble.com/Replace-Web-Services-with-Message-tp3340103p3340103.html >> Sent from the ActiveMQ - User mailing list archive at Nabble.com. >> >> > -- > ---- > http://www.liquid-reality.de > >
