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-Hija to the DESIGN of our OPIE PIM stuff
-
-This design was firstly discussed in the train
-from Frankfurt to Hannover between me (zecke ) and eilers.
-
-We had a look at our pim implementation and the one from
-trolltech and we looked what was missing.
-
-GOALS:
- - clean implementation
- - share code
- - ObjectOriented Design
- - Scalable
- - Integration into common solutions like STL and Qt
- - Addition
- - Ease of Use
-
-GENERAL:
- - use templates
- - have a common base class for all Records OPimRecord
- - use references instead of pointers
- - make use of QShared internally memory consumption
-
-We've a 'public' and 'private' part in our lib
-OPimAccessTemplate is the public part. This will be used
-by 3rd party developers to access the PIMs.
-OPimAccessBackend is the backend. You could also call it
-resource.
-
-Both things need to be implemented for different kind of records.
-By using templates we can make sure we share code and the reason
-not to use simple inheretance is that we can specialise quite easy.
-
-For example we have OTodoAccess : public OPimAccessTemplate<OTodo>;
-the we would do
-OTodoAccess::List list = otodoAccess.all();
-OTodoAccess::List::Iterator it;
-for( it = list.begin(); it != list.end(); ++it );
-
-
-as you can see from here it just behaves like you expect from Qt or STL.
-
-The kewlest thing is that List and List::Iterator is free to use if you
-want to implement your own OPimAccessTemplate.
-You just have to sub class it and voila you're done
-
-
-Hope you enjoy using OPIE PIM
-
-regards Holger 'zecke' Freyther
-
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