Review Request: Port t-i-d to Nepomuk::Query + bonus fixes

[Dario Freddi]

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http://reviewboard.kde.org/r/3936/
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Review request for telepathy, Sebastian Trueg and George Goldberg.


Summary
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This patch ports t-i-d to Nepomuk::Query from raw SPARQL calls. It also increases the dependency to KDE 4.5 to take advantage of all the fixes+features to N::Q which were necessary for this patch.

I also took the chance to improve the routines a bit: now literal matches (like IDs and paths) are done in the query itself, which should also improve performance a bit. Also, I refactored the query for finding out contacts for a specific account: now all contacts are retrieved (isBuddyOf is a dynamic property, including it in the query as a requirement lead to creating the resources for accounts which are no longer our buddies every time t-i-d started), and a special case is added for contacts which belong to ourself.

This might happen when I am a buddy of a contact I own: in this case, we definitely want a separate PersonContact+IMAccount to avoid race conditions.

Sebastian, I included you in the reviewers so you can have a look to how I used the new service :) I'll include you in the next one as well, which is way more complex as well.


Diffs
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  /trunk/playground/network/telepathy-integration-daemon/CMakeLists.txt 1124586 
  /trunk/playground/network/telepathy-integration-daemon/telepathyaccount.h 1124586 
  /trunk/playground/network/telepathy-integration-daemon/telepathyaccount.cpp 1124586 
  /trunk/playground/network/telepathy-integration-daemon/telepathycontact.cpp 1124586 

Diff: http://reviewboard.kde.org/r/3936/diff


Testing
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All fine, no regressions and some fixes instead.


Thanks,

Dario