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Value List Handler -- Clarification needed

 
veena madhukar
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If we use Stateful session bean strategy to implement the valuelisthandler then the list is stored in the session bean (valuelisthandler).

But when Valuelisthandler is implemented in Java object strategry how is list stored in ValueListHandler available across method invocations from the client is NOT CLEAR.

The source code and the explanation for the pattern is available in the following url. I would be grateful if someone could explain how the client url refers to the Valuelisthandler object and in turn refers to the list object across methods.

http://java.sun.com/blueprints/corej2eepatterns/Patterns/ValueListHandler.html
 
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