No there is no performance issues. Its intra-jvm communication which is as fast as possible.
Though for some high end cases the disruptor implementation of the queues has proven faster. http://camel.apache.org/disruptor.html You can find link to the disruptor project from that link above and find more details on the internet. On Wed, Dec 18, 2013 at 9:46 AM, Matteo Cusmai <[email protected]> wrote: > Hi all, > Could you please tell me if there are performance issues using vm component > to connect 2 camel context? > Is there any specific documentation about it. > > Thanks in advance, > Matteo. > On 15 Dec 2013 01:07, "Matteo Cusmai" <[email protected]> wrote: > >> Hi Robert, >> I know that article, it is part of camel in action book that i have read. >> The problem is that he use scala api, and it is different and poorer than >> java api. >> On 14 Dec 2013 16:37, "kraythe ." <[email protected]> wrote: >> >>> Try out this article: >>> >>> >>> https://weblogs.java.net/blog/manningpubs/archive/2013/02/13/akka-and-camel >>> >>> You can init the Akka Camel context with spring and get the best of both >>> worlds. >>> >>> *Robert Simmons Jr. MSc. - Lead Java Architect @ EA* >>> *Author of: Hardcore Java (2003) and Maintainable Java (2012)* >>> *LinkedIn: **http://www.linkedin.com/pub/robert-simmons/40/852/a39 >>> <http://www.linkedin.com/pub/robert-simmons/40/852/a39>* >>> >>> >>> On Sat, Dec 14, 2013 at 4:52 AM, Matteo Cusmai <[email protected] >>> >wrote: >>> >>> > Hi Claus, >>> > I am talking about this issue with Akka community in their mailing >>> list, I >>> > am waiting an answer. >>> > In the mean time I am trying to figure out my solution to the issue. >>> > >>> > However, regarding to manage 2 different camel contexts I read this >>> link " >>> > http://camel.apache.org/context.html";, and I have found the solution I >>> > wrote in the first my email. >>> > Thanks to your suggestion, I have experienced that it works good with >>> > direct-vm and vm, without camel-context dependency. >>> > >>> > So, just to know, could you explain me which are the differences between >>> > camel-context and vm approaches? >>> > Which are the pros and cons? >>> > >>> > Cheers, >>> > Matteo. >>> > >>> > >>> > Matteo Cusmai >>> > >>> > >>> > On Sat, Dec 14, 2013 at 11:10 AM, Claus Ibsen <[email protected]> >>> > wrote: >>> > >>> > > Oh dear maybe try to get the akka people to make this better, so you >>> > > can use a spring based camel with their stuff more easily. >>> > > >>> > > If you want to integrate 2 different camel contexts in the same jvm, >>> > > then try with direct-vm or the vm component. >>> > > >>> > > On Sat, Dec 14, 2013 at 10:03 AM, Matteo Cusmai < >>> [email protected]> >>> > > wrote: >>> > > > Hi Claus, >>> > > > Thanks for rapid answer. >>> > > > I agree with you, but the problem is that I am using akka camel >>> > extension >>> > > > that creates a default camel context by itself. >>> > > > I don't think it is a good idea scanning akka packaging to look for >>> > route >>> > > > builders. >>> > > > My idea is to use 2 different context, mine based on spring xml and >>> > akka >>> > > > one based on default. >>> > > > >>> > > > What do you think about? >>> > > > Cheers, >>> > > > On 14 Dec 2013 09:37, "Claus Ibsen" <[email protected]> wrote: >>> > > > >>> > > >> No, its better to have 1 camel context. And from the spring camel >>> > > >> context, you can refer to a <routeBuilder ref> or use package >>> scanning >>> > > >> to find and add your java dsl route builder classes. >>> > > >> >>> > > >> See the documentation >>> > > >> http://camel.apache.org/spring >>> > > >> >>> > > >> On Sat, Dec 14, 2013 at 9:24 AM, Matteo Cusmai < >>> > [email protected]> >>> > > >> wrote: >>> > > >> > Hi all, >>> > > >> > I am trying to use different camel context in my app. >>> > > >> > >>> > > >> > I have a camel context based on spring: >>> > > >> > >>> > > >> > <beans xmlns="http://www.springframework.org/schema/beans"; >>> > > >> >> xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"; >>> > > >> >> xsi:schemaLocation=" >>> > > >> >> http://www.springframework.org/schema/beans >>> > > >> >> http://www.springframework.org/schema/beans/spring-beans.xsd >>> > > >> >> http://camel.apache.org/schema/spring >>> > > >> >> http://camel.apache.org/schema/spring/camel-spring.xsd";> >>> > > >> >> >>> > > >> >> <camelContext xmlns="http://camel.apache.org/schema/spring"; >>> > > >> >> id="externalContext"> >>> > > >> >> >>> > > >> >> <route> >>> > > >> >> <from >>> > > >> >> >>> > > >> >>> > > >>> > >>> uri="rabbitmq://localhost/SIM_DATA?exchangeType=topic&queue=rewardAquire1&username=guest&password=guest&routingKey=S1111BBB&autoDelete=false&threadPoolSize=1" >>> > > >> >> /> >>> > > >> >> <to uri="direct:consumer1" /> >>> > > >> >> </route> >>> > > >> >> >>> > > >> >> </camelContext> >>> > > >> >> >>> > > >> >> </beans> >>> > > >> >> >>> > > >> >> >>> > > >> > and a second one based on java dsl: >>> > > >> > >>> > > >> > public class MainCamel { >>> > > >> > >>> > > >> > public static void main(String[] args) throws Exception { >>> > > >> > >>> > > >> > CamelContext externalContext = new >>> > > >> > >>> > ClassPathXmlApplicationContext("META-INF/camel-context.xml").getBean( >>> > > >> > "externalContext", CamelContext.class ); >>> > > >> > >>> > > >> > DefaultCamelContext context = new DefaultCamelContext(); >>> > > >> > context.setRegistry( externalContext.getRegistry() ); >>> > > >> > >>> > > >> > context.addRoutes( new RouteBuilder() { >>> > > >> > @Override >>> > > >> > public void configure() throws Exception { >>> > > >> > >>> > > >> from("context:externalContext:consumer1").to("stream:out"); >>> > > >> > } >>> > > >> > }); >>> > > >> > >>> > > >> > context.start(); >>> > > >> > >>> > > >> > Thread.sleep( 60000 ); >>> > > >> > >>> > > >> > context.shutdown(); >>> > > >> > externalContext.stop(); >>> > > >> > >>> > > >> > } >>> > > >> > >>> > > >> > } >>> > > >> > >>> > > >> > >>> > > >> > >>> > > >> > I am using camel 2.12.2 (core, rabbit, stream and context). >>> > > >> > It seems to work, my question is: >>> > > >> > is my code the right way to integrate a spring camel context >>> with a >>> > > java >>> > > >> > dsl one? >>> > > >> > >>> > > >> > >>> > > >> > Thanks in advance, >>> > > >> > >>> > > >> > >>> > > >> > Matteo Cusmai >>> > > >> >>> > > >> >>> > > >> >>> > > >> -- >>> > > >> Claus Ibsen >>> > > >> ----------------- >>> > > >> Red Hat, Inc. >>> > > >> Email: [email protected] >>> > > >> Twitter: davsclaus >>> > > >> Blog: http://davsclaus.com >>> > > >> Author of Camel in Action: http://www.manning.com/ibsen >>> > > >> Make your Camel applications look hawt, try: http://hawt.io >>> > > >> >>> > > >>> > > >>> > > >>> > > -- >>> > > Claus Ibsen >>> > > ----------------- >>> > > Red Hat, Inc. >>> > > Email: [email protected] >>> > > Twitter: davsclaus >>> > > Blog: http://davsclaus.com >>> > > Author of Camel in Action: http://www.manning.com/ibsen >>> > > Make your Camel applications look hawt, try: http://hawt.io >>> > > >>> > >>> >> -- Claus Ibsen ----------------- Red Hat, Inc. Email: [email protected] Twitter: davsclaus Blog: http://davsclaus.com Author of Camel in Action: http://www.manning.com/ibsen Make your Camel applications look hawt, try: http://hawt.io
