[jira] Commented: (HIVEMIND-179) Provide access to the Registry

    [ https://issues.apache.org/jira/browse/HIVEMIND-179?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12597796#action_12597796 ]

Jochen Zimmermann commented on HIVEMIND-179:
--------------------------------------------

I finally found a way. Perhaps it is to naiv and it is for sure a little hack (I explain), but it works and perhaps is not too bad for a first shot :-)

I defined the registry as a service in the hivemind.xml of the framework like this:

<service-point id="Registry" interface="Registry">
  <invoke-factory service-id="RegistryFactory"/>
</service-point>

I wrote the registry factory, which just returns an instance of RegistryImpl.
That's the hack, because I had to get the RegistryInfrastructure from the static ServiceSerializationHelper and had to cast it.

public class RegistryFactory implements ServiceImplementationFactory
{
    public Object createCoreServiceImplementation(
            ServiceImplementationFactoryParameters factoryParameters)
    {
    RegistryInfrastructure r = (RegistryInfrastructure) ServiceSerializationHelper.getServiceSerializationSupport();
        return new RegistryImpl(r);
    }
}

Finally I changed the RegistryBuilder to not instantiate the Registry itself but obtain it from the RegistryInfrastructure.

      infrastructure.startup();
      return (Registry) infrastructure.getService(Registry.class, null);

This way the registry is a service itself ...
If we could implement the RegistryFactory "clean" someway, what do you think, would this make any sense?


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