- Passing data between nested conversations 2007-08-09 - By jfbenck
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Hi all,
I've got a question about seam regarding the use of nested conversations and
more specifically, how I can pass data between nested conversations. To explain
, consider the following hypothetical use case of a banking application:
I have a generic "web-component" (i.e. set of classes, faces-config.xml, JSP's,
etc), which can be used to search for clients or create new clients. This
component is used from a number of different locations, like creating new
accounts (adding owners of the account), or requesting a loan.
I'm not an expert in seam, but from what I've seen (and tested), the pageflow
to this component can be handled using jPDL (subprocess tag). Using nested
conversations, each of these components can have their own scope for data.
The problem I'm thinking about is how to pass data between these two
conversation scopes (i.e. from the account scope to the client scope when the
client component is called and the other way around to pass the selected client
back to the account component).
I know child-scopes can access their parent scope (in a read-only fashion),
however I'd like the client-component in this case to be agnostic of the
calling component. Is there some generic best-practice in Seam how to handle
this case?
Thanks for your thoughts,
Jeroen
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