We need a model of conversation to handle various modules in the application 
and also nested modules. When entering a submodule I want the user can access 
the parent modules menu ( to avoid the back button ) in the same page when he 
was working with the child module. There could be anu level of modules in the 
applicaiton, from complete seperate modules to simple CRUD object modules.
It will be very good to have this navigation model and at the same time avoid 
having lots of objects in the conversation scope.
I am suggesting this model to  handle such a navigation:
every conversational SB could have a conversation name, and a  parent 
conversation assigned to it. In case of invocation of a @Begin method, if the 
current conversation name equals the SB's conversation name it simply joins the 
conversation, if it is not the framework will start going up in the current 
conversation stack to find a conversation wich name is the SB's parent 
conversation name, then swap to that conversation and nest a new conversation 
with the SB's conversation name. If no matching conversation found it could 
redirect to ifNotBeginOutCome with throwing a 
ParentConversationNotFoundException.
There is also a special TopLevel keyword for top level modules wich will start 
a whole new conversation. And also unnamed SBs keep working  as is.


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