Hello Claus, Thanks a lot for clarification!
Best Regards, Sergey -----Original Message----- From: Claus Ibsen [mailto:claus.ib...@gmail.com] Sent: Thursday, October 25, 2012 12:49 PM To: users@camel.apache.org Subject: Re: Endpoint and Producer isSingleton behavior in the OSGi On Thu, Oct 25, 2012 at 10:18 AM, Zhemzhitsky Sergey <sergey_zhemzhit...@sberbank-cib.ru> wrote: > Hello camel gurus, > > I just need some clarification about how DefaultEndpoint, DefaultProducer > behave depends on whether their isSingleton method returns true or false. > > My understanding is the follosing: > > > 1. If DefaultEndpoint.isSingleton() returns true the same instance of > the endpoint will be reused across all the camel contexts, and in case of > OSGi this mean that the same endpoint instance will be reused across all the > bundles that contain some camel functionality. > No its reused per CamelContext. Endpoints / producers / consumers et all is per CamelContext and not shared across bundles. > 2. If DefaultEndpoint.isSingleton() returns false then for each camel > context a new instance of the endpoint is created and in the OSGi the new > instance of the endpoint will be created for each separate bundle that > contains a camel context. > if false, then the endpoint is not stored in the endpoint registry for any re-use. And on each endpoint lookup a new instance is created. > 3. If DefaultProducer.isSingleton() returns true then the same instance > of the producer, i.e., will be used every time not depending on the endpoint > uri, i.e. for the following producers <to uri=”comp:producer?param1=val1”/> > and <to uri=”comp:producer?param1=val1¶m2=val2”/> will be used the same > instance of the producer? > No these are 2 different endpoints (unless the endpoint supports lenient properties - eg a bit special but think like a http endpoint where any of the uri parameters can be dynamic, but you want to use the same Camel endpoint) > 4. If DefaultProducer.isSingleton() returns false then for the > different endpoint URIs will be returned different instances of producer. > > So summarizing all the points above if DefaultEndpoint.isSingleton() is true > and DefaultProducer.isSingleton() in the OSGi environment then the producers > will be shared across all the camel contexts located in all the OSGi bundles, > right? > > > Best Regards, > Sergey > > > _______________________________________________________ > CONFIDENTIALITY NOTICE: This email and any files attached to it may be > confidential. If you are not the intended recipient you are notified that > using, copying, distributing or taking any action in reliance on the contents > of this information is strictly prohibited. If you have received this email > in error please notify the sender and delete this email. > -- Claus Ibsen ----------------- Red Hat, Inc. FuseSource is now part of Red Hat Email: cib...@redhat.com Web: http://fusesource.com Twitter: davsclaus Blog: http://davsclaus.com Author of Camel in Action: http://www.manning.com/ibsen
