Great. Is my assumption that direct, jms, seda and vm are all more or less the same in terms of function and would be good as a means to invoke routes/services? How do they differ or are there certain versions which are preferred?
--Tim On Wed, Dec 2, 2009 at 10:51 PM, Claus Ibsen <[email protected]> wrote: > On Thu, Dec 3, 2009 at 1:32 AM, mumbly <[email protected]> wrote: >> >> I'm talking about on demand triggering. Basically, I want to be able to >> trigger a route programatically from within my code. I'm using quartz >> already for certain batch processing. I'm just trying to understand how the >> items I listed differ, whether they are the set you'd want to use for on >> demand triggering and whether the ProducerTemplate is the right way to go >> about that. >> > > Its easier in 2.1 as you can create routes which aren't started when > Camel starts > http://camel.apache.org/configuring-route-startup-ordering-and-autostartup.html > > And you can assign the route an id using .routeId in Java DSL or just > "id" attribute in XML. > > Then you can manually start that route from JMX, Java code etc. > > CamelContext context = ... > > context.startRoute("theIdOfYourRoute"); > > context.stopRoute("theIdOfYourRoute"); > > > > >> --Tim >> >> >> Dragisa Krsmanovic wrote: >>> >>> It depends what you mean by 'triggering'. >>> >>> If you want to automatically send a message to a queue at specific >>> intervals you can use Quartz component. >>> >>> For example, to send a "Hello World" message every 3 minutes: >>> >>> from("quartz://myCron?cron=0+0/3+*+*+*+?") >>> .setBody(constant("Hello World")) >>> .to(destination); >>> >>> Where destination can be anything ("direct:myQueue", "activemq:myQueue" >>> etc.) >>> >>> >>> >>> On Wed, 2009-12-02 at 14:00 -0800, mumbly wrote: >>>> While many of our processes are triggered by some external event (timer, >>>> file >>>> transfers, emails, web/REST/SOAP requests), there are a number of >>>> instances >>>> where we want to trigger a route from within our code. I'm trying to >>>> understand how Camel allows me to do this and what the recommended >>>> practices/patterns for this type of interaction are. >>>> >>>> I see a handful of components which seem like they would meet the >>>> criteria >>>> for trigger, but I'm not clear on which I should use. Basically I'm >>>> looking >>>> at: >>>> >>>> * direct >>>> * jms >>>> * seda >>>> * vm >>>> >>>> It seems to me like they are similar, but it is unclear which are best >>>> under >>>> what conditions. Is there some document comparing the pros and cons and >>>> potential use cases for these transports in non-test circumstances? >>>> >>>> And is the general pattern of direct triggering to use a >>>> ProducerTemplate? >>>> It felt a bit like this was mainly for testing, but I don't see other >>>> methods used in the examples (or for that matter, I don't recall seeing >>>> ProducerTemplate in non-test code, though I haven't searched too >>>> closely). >>>> >>>> Basically, just trying to get some guidance as to the recommended >>>> practice. >>>> >>>> Thanks. >>>> >>>> --Tim >>> >>> >>> -- >>> Dragisa Krsmanovic >>> Java Developer >>> Public Library of Science >>> http://www.plos.org >>> >>> >>> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- >>> This email is confidential to the intended recipient. If you have received >>> it in error, please notify the sender and delete it from your system. Any >>> unauthorized use, disclosure or copying is not permitted. The views or >>> opinions presented are solely those of the sender and do not necessarily >>> represent those of Public Library of Science unless otherwise specifically >>> stated. Please note that neither Public Library of Science nor any of its >>> agents accept any responsibility for any viruses that may be contained in >>> this e-mail or its attachments and it is your responsibility to scan the >>> e-mail and attachments (if any). >>> >>> >>> >> >> -- >> View this message in context: >> http://old.nabble.com/Best-Practices-for-Triggering-Routes-from-Code-tp26617252p26619145.html >> Sent from the Camel - Users mailing list archive at Nabble.com. >> >> > > > > -- > Claus Ibsen > Apache Camel Committer > > Author of Camel in Action: http://www.manning.com/ibsen/ > Open Source Integration: http://fusesource.com > Blog: http://davsclaus.blogspot.com/ > Twitter: http://twitter.com/davsclaus >
