[jboss-dev-forums] [Design of OSGi Integration] - Facade Questions

[alesj]

Moving this to the forum:

"johnbailey" wrote : 
  | I am still trying to get a grasp of how the Facade will be used.
  | After the forum post, I think I understand the bundles will be loaded
  | into  the MC like any other deployment, but will have meta-data taken
  | from the manifest to drive some of the wiring for classloading.  I
  | like the idea that a Bundle facade can reference any deployment
  | regardless of whether it came from an OSGI bundle from the start.  So
  | that being said, who will be referencing the Bundles?  I can see how
  | the BundleActivator deployer creates the BundleContext, which creates
  | the BundleImpl.  The BundleContext is created with a DeploymentUnit,
  | which has an attachment of the DeploymentControllerContext, correct?
  | From Adrian's comments, it seems the Bundle is a Facade over the
  | DeploymentControllerContext.  So if Bundle.start is called, it would
  | actually change the state of the ControllerContex, but who would ever
  | do this?
  | 
  | I have created some tests that use a JarStructure deployer and the
  | OSGI Manifest and BundleActivator to deploy an OSGI based JAR.  The MC
  | will deploy the JAR and the BundleActivator as well as invoking the
  | start start opperation on the BundleActivator.   I can see how this
  | will allow the BundleActivator to register services into the MC using
  | the BundleContext, but in this process the Bundle isn't used, which
  | makes sense as the Bundle is just a Deployment to the MC with
  | additional wiring constraints.  So why would I get access to the
  | Bundle?  If so it just seems like I would get the ControllerContext
  | and create the Bundle from there?
  | 
  | Am I making any sense?  I am getting a really good understanding of
  | the MC and deployments, but I guess I need a clearer understanding of
  | how a client would use the Facade?  Is there a client type we are
  | looking to support?
  | 

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