There is blueprint annotations. Though not sure how mature that is. http://aries.apache.org/modules/blueprintannotation.html
On Thu, Nov 7, 2013 at 2:19 PM, alexey-s <[email protected]> wrote: > It's no secret that the OSGI Blueprint implements a proxy object for the > service. In the old specification OSGI used references to objects. > Very often forget to let go of the service object obtained from the > ServiseReference. > For this reason, it is desirable to use the links provided in the blueprint. > Camel process can be described in a blueprint xml file. But it is not always > convenient. In particular, all of the components (bean) should be in the > open part of the osgi bundle. > Using a public method, referring to the components of the private part of > the osgi bundle is very bad. BIND swears by these methods. > There is only one. We must use the Java DSL Builder process. > > <reference id="externalService" interface="external.ExternalService"/> > > <bean id="routeBuilder" class="publicpackage.LocalRouteBuilder"/> > > <camelContext id="camel-ccje-exchange-oos-doc-read" > xmlns="http://camel.apache.org/schema/blueprint";> > <propertyPlaceholder id="properties" location="blueprint:placeholder"/> > <routeBuilder ref="routeBuilder"/> > </camelContext> > > Inside RouteBuilder can use annotations @ PropertyInject, @ EndpointInject. > But to get service "externalService" can only be the old-fashioned > > import external.ExternalService; > import privatepackage.MyBean; > > public class LocalRouteBuilder extends RouteBuilder { > public void configure() throws Exception { > ExternalService externalService = > CamelContextHelper.mandatoryLookup(getContext(), "externalService", > ExternalService.class); > MyBean bean = new MyBean(externalService); > > from("direct.start) > .bean(bean, "doProcess") > .end(); > } > } > > Similarly, it was possible to get any property > > String value = CamelContextHelper.parseText(getContext(), > "{{my_property}}"); > > or through annotation > > @PropertyInject ("my_property") String value; > > > I propose to add an annotation @BeanInject > > import external.ExternalService; > import privatepackage.MyBean; > > public class LocalRouteBuilder extends RouteBuilder { > @BeanInject(ref="externalService") ExternalService externalService; > > public void configure() throws Exception { > MyBean bean = new MyBean(externalService); > > from("direct.start) > .bean(bean, "doProcess") > .end(); > } > } > > In the blueprint and in spring you can pass all the components as properties > or constructor parameters. > This can be done in Guice, jndi, JUnit. > > I am at the project using the OSGI blueprint for services and management > Camel processes. Inside guice for working with MyBatis, not to show the > private part of the OSGI bundle. > > By the way. There is one nice little bug. > @Produce and @EndpointInject perform the same action in > DefaultCamelBeanPostProcessor. > We expect that the implementation of the @Produce is ProducerTemplate or > Producer. We can get ConsumerTemplate, PollingConsumer, Endpoint. > > @Produce(url="direct.start") > ConsumerTemplate consumer; // raze it right? > > > > > -- > View this message in context: > http://camel.465427.n5.nabble.com/Propose-add-annotation-BeanInject-tp5742782.html > Sent from the Camel - Users mailing list archive at Nabble.com. -- Claus Ibsen ----------------- Red Hat, Inc. Email: [email protected] Twitter: davsclaus Blog: http://davsclaus.com Author of Camel in Action: http://www.manning.com/ibsen
