Hello,
I think the answer to your question is "a little begining the
project, a little at middle, a little ending it".
If you're using UML notation, for example, and something like RUP, a
good way to decide if an EJB is Session or Entity could be identify control
classes and entity classes (<<control>> and <<entity>> in UML standard). So
in early stages you can decide which analysis classes will be implemented
with one, two,... many session beans, and which will be with entity beans.
Usually, I identify the entities (and from them I obtain the entity
beans -not directly, of course) and then the operations between entities
will be put inside session beans. Boundary classes (for example, those which
interact with user) will be session beans too. And there are a lot of
classes which are not enterprise beans!
The best way to know if a class must be a session, an entity or
"standard" class is the stereotype. Take a look at RUP process.
Regards.
Luis Canals
-----Original Message-----
From: AMIT MALHOTRA [mailto:[EMAIL PROTECTED]]
Sent: jueves, 14 de septiembre de 2000 6:42
To: [EMAIL PROTECTED]
Subject: Application Design?
What should be design strategy while designing an EJB application? What
point of time should one decide on Entity/Session bean? Should one go for
EJB identification after all the business objects have been identified OR
the business objects should be identified,from the start itself,as entity
or session? Should a application be heavily loaded with entity beans?
Amit Malhotra
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