[Nepomuk] Review Request: Remove special handling for rdf:type

[Sebastian Trueg]

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Great to see you simplifying Resource. Can't wait for your shared mem patch! :)


includes/CMakeLists.txt
<http://git.reviewboard.kde.org/r/105517/#comment12219>

    Something went wrong with the patch here.



libnepomukcore/resource/resourcedata.h
<http://git.reviewboard.kde.org/r/105517/#comment12217>

    hasType(const Types::Class& type)
    would be cool instead. Internally it could use property()



libnepomukcore/resource/resourcedata.cpp
<http://git.reviewboard.kde.org/r/105517/#comment12218>

    Why do you still need variable m_types when the point is to remove the special handling?


- Sebastian Trueg


On July 11, 2012, 8:41 p.m., Vishesh Handa wrote:
> 
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> http://git.reviewboard.kde.org/r/105517/
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> 
> (Updated July 11, 2012, 8:41 p.m.)
> 
> 
> Review request for Nepomuk and Sebastian Trueg.
> 
> 
> Description
> -------
> 
> Remove special handling for rdf:type
> 
> This includes storing the maintype when loading all the properties. This
> simplifies the code base, and actually improves performace.
> 
> Because the type deduction is done during load time, the relevant types
> needed to be loaded into memory by Types::EntityPrivate, this increases
> the load time for each resource by an order of 5x. This extra load
> eventually goes down when all the required types are loaded, but it's
> there.
> 
> Also, the additional cost of infering the type each time doesn't seem to
> have any performance loss. Mainly cause everything is already in memory.
> 
> Another reason for this patch is the planned refactoring of the class
> internals to use shared memory. Every extra variable in ResourceData
> adds an overhead.
> 
> 
> Diffs
> -----
> 
>   Info.plist.template PRE-CREATION 
>   includes/CMakeLists.txt 4ac2d7cfcba1522eb73b432533a08b3fd1e148b3 
>   includes/Query/ResultIterator PRE-CREATION 
>   libnepomukcore/CMakeLists.txt 066c8986dfa2b3150072dbd96a71caf8873cea06 
>   libnepomukcore/datamanagement/createresourcejob.h 7abf51d4c9c3a4bd0c4036234dae006c7b10bfb8 
>   libnepomukcore/query/resultiterator.h PRE-CREATION 
>   libnepomukcore/query/resultiterator.cpp PRE-CREATION 
>   libnepomukcore/resource/resource.cpp c237f44c1420929143299aab391a0f2a7709f894 
>   libnepomukcore/resource/resourcedata.h 370889700cb93dbf93bc6cb4b498fab2470cafba 
>   libnepomukcore/resource/resourcedata.cpp 6fa262f955936637f48c81b0cce6ac9069f37167 
> 
> Diff: http://git.reviewboard.kde.org/r/105517/diff/
> 
> 
> Testing
> -------
> 
> Manual + Unit Testing :)
> 
> 
> Thanks,
> 
> Vishesh Handa
> 
>

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