Hi,
I know that this isn�t a struts specific question but I really could do with
your help. And this list is a guarantee for competent answers :-) !
My question is: how much should I save in a session?
Scenario:
I have a catalogue with say five levels:
e.g.
alcohol
- wines
- red wine
- bordeaux
- borgougne
- grapes bla
- grapes blub
- Loire
- white wine
- rose
All of these levels are displayed as a tree on the catalogue page. The
question I have is as follows: should I save the comlpete tree (with
description) in the session so that I only have to retrieve a particular
level at any given time or should I just save the state of the tree (for
example in a state object which also contains the shopping basket and
user_id etc), which would just consist of the last node of the tree
(node_id)?
Lets say I have put something in the shopping basket and want to return back
to the tree. Should I rebuild the whole tree by asking the service layer to
return the tree depending on the last node_id or should I re-display the
tree from the session?
Any help on this matter would be very appreciated because it is always good
to hear opinions from others. I know that this has nothing to with struts
but please....
Regards,
Michael
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