Would it break the MVP pattern to hold a large collection of objects in the presentation layer, or would it be better to retreive the information for the view from a datasource (in this case an xml document) as and when an event occurs?
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Would it break the MVP pattern to hold a large collection of objects in the presentation layer, or would it be better to retreive the information for the view from a datasource (in this case an xml document) as and when an event occurs?
There is no silver bullet. If you want to provide a quick response – load as much data as you can and as early as possible. If you want to reduce traffic & server payload – use event-driven scenarios. If you’re loading data from local xml document (which is pretty cheap if your xml is not huge) then I do not see much difference – do whatever is more convinient.
I doubt anything more specific can be said.