Hi, Could you use the ‘instances’ command to retrieve the list of instances and their state ? (http://felix.apache.org/documentation/subprojects/apache-felix-ipojo/apache-felix-ipojo-tools/ipojo-arch-command.html)
> ipojo:instances // dump all instances and declaration > ipojo:instance my-factory-0 // introspect the first instance > ipojo:instance my-consumer-factory-0 // introspect the second instance Regards, Clement On 22 janv. 2014, at 20:38, Zaid Jamal Saeed Al Mahmoud <[email protected]> wrote: > I have 2 iPOJO Components. > 1- A Provider bundle that provides "Hello" service. Below is the > implementation of the component: > package helloipojo; > > > import helloipojo.service.HelloService; > > import org.apache.felix.ipojo.annotations.Component; > import org.apache.felix.ipojo.annotations.Invalidate; > import org.apache.felix.ipojo.annotations.Provides; > import org.apache.felix.ipojo.annotations.Validate; > > > @Component(name="my-factory") > @Provides > public class HelloServiceImpl implements HelloService{ > > @Override > public void sayHello() { > > System.out.println("Hello iPojo!"); > > } > > > @Validate > public void start() throws Exception { > > System.out.println("Hello, I am ipojo bundle start method"); > > } > > @Invalidate > public void stop() throws Exception { > > System.out.println("Bye Bye, I am ipojo bundle stop method"); > > } > > > > } > 2- Consumer bundle that uses HelloService object as the follwing: > package helloserviceconsumer; > > import helloipojo.service.HelloService; > > import org.apache.felix.ipojo.annotations.Component; > import org.apache.felix.ipojo.annotations.Invalidate; > import org.apache.felix.ipojo.annotations.Requires; > import org.apache.felix.ipojo.annotations.Validate; > > @Component(name="my-consumer-factory") > public class HelloConsumer { > @Requires > HelloService helloObject; > > @Validate > private void start() { > // Starting method > //... > helloObject.sayHello(); > //... > } > > @Invalidate > protected void stop() { > // Stopping method > if(helloObject!=null) { helloObject.sayHello(); } > > else System.out.println("hello service GONE!"); > } > } > In a seperate Java application, I load these two bundles and start them on > Apache Felix as the following: > Bundle b = > bundleContext1.installBundle("file:C:\\Users\\zaid.almahmoud\\Desktop\\plugins\\HelloService_1.0.0.201401222235.jar"); > b.start(); > > Bundle c = > bundleContext1.installBundle("file:C:\\Users\\zaid.almahmoud\\Desktop\\plugins\\HelloServiceConsumer_1.0.0.201401222257.jar"); > c.start(); > All the above works fine. > Now, I would like to instantiate these two components dynamically and observe > the consumption of the bundle provider service by the bundle consumer. I used > Instance Declaration, as the following: > DefaultInstanceDeclaration providerDeclaration = new > DefaultInstanceDeclaration(b.getBundleContext(), "my-factory"); > providerDeclaration.start(); > > DefaultInstanceDeclaration consumerDeclaration = new > DefaultInstanceDeclaration(c.getBundleContext(), "my-consumer-factory"); > consumerDeclaration.start(); > No errors when running the application. However, I could not see the "Hello" > Messages that exists in the start() methods of both the service provider and > consumer. I see absolutely NOTHING. That means the components are not > instantiated correctly. Where did I go wrong? Thanks. > > > > Zaid. >
