Corona More Generic PCC Manager

There are two managers now - ContextContainer Manager and Project Container Manager. The difference between them is that Project one introduces methods connected with users (eg. openContainerForMember()). This causes some problems, eg. you need to distinguish whether you want to open CC or PCC.

I think we could use the more generic manager interface for Context Containers only.

ClientContext parameter

Instead of providing a methods openContainerForMember() and closeContainerForMember() we could have a generic method openContainer() which would have a parameter with client context. The client context would be a some kind of properties (name-value). By default the context contains only the client id.

Now, any new context that may want to add something would register with extension point. The project context would simply add property with the user. An other context would add whatever it wants.

On the server side, there need to be something that would make use of the context information. And again the open() method on server side would use an extension point to detect context information consumers. It would pass it there. In project example, the project context would build map of client id to user.

Event enhancers

As we know, the open() method sends the open event. If we do not have the open() method in project scope, the event would lack the information of the user, who opened the event. But, again with extension points, we can register event enhancers. Event enhancer would be objects that obtain event and adds some information to it, before it is published. They would be done in ContextContainerEventAdmin.sendEvent().

Again in the project context, there would be an event enhancer that sets the user connected with the event.