Hey David This is normal. Some one is asking for the changes, and that is why the all those dbus signals are being emitted. We only emit these changed/added/removed signals if someone requests them. One generally requests these changes by using the Nepomuk2::ResourceWatcher. Additionally, the Nepomuk2::Resource class internally also uses the ResourceWatcher to keep its cache up to date.
Would you prefer we not use dbus for this? On Sun, Jan 13, 2013 at 3:19 PM, David Faure <[email protected]> wrote: > Please run `dbus-monitor` on a KDE system now and then, to see all the DBus > communication coming out of nepomuk (I suppose this is especially happening > now because the akonadi_nepomuk_feeder agent is indexing all the existing > email). > > I see this, in particular: for every property, propertyAdded is emitted, > followed by propertyChanged. > Surely a single signal could be used for this? > > signal sender=:1.3181 -> dest=(null destination) serial=7023161 > path=/resourcewatcher/watch27069; > interface=org.kde.nepomuk.ResourceWatcherConnection; member=propertyAdded > string "nepomuk:/res/4efdbd00-0b8a-44fe-bc8a-061966bdb2d9" > string "http://www.semanticdesktop.org/ontologies/2007/03/22/nmo#isRead > " > array [ > variant boolean false > ] > signal sender=:1.3181 -> dest=(null destination) serial=7023162 > path=/resourcewatcher/watch27069; > interface=org.kde.nepomuk.ResourceWatcherConnection; member=propertyChanged > string "nepomuk:/res/4efdbd00-0b8a-44fe-bc8a-061966bdb2d9" > string "http://www.semanticdesktop.org/ontologies/2007/03/22/nmo#isRead > " > array [ > variant boolean false > ] > array [ > ] > > Another example, to show it's not related to "isRead": > > signal sender=:1.3181 -> dest=(null destination) serial=7023137 > path=/resourcewatcher/watch27069; > interface=org.kde.nepomuk.ResourceWatcherConnection; member=propertyAdded > string "nepomuk:/res/4efdbd00-0b8a-44fe-bc8a-061966bdb2d9" > string " > http://www.semanticdesktop.org/ontologies/2007/08/15/nao#prefSymbol"; > array [ > variant string > "nepomuk:/res/f36a5df4-7000-4678-9c71-1644ab76da00" > ] > signal sender=:1.3181 -> dest=(null destination) serial=7023138 > path=/resourcewatcher/watch27069; > interface=org.kde.nepomuk.ResourceWatcherConnection; member=propertyChanged > string "nepomuk:/res/4efdbd00-0b8a-44fe-bc8a-061966bdb2d9" > string " > http://www.semanticdesktop.org/ontologies/2007/08/15/nao#prefSymbol"; > array [ > variant string > "nepomuk:/res/f36a5df4-7000-4678-9c71-1644ab76da00" > ] > array [ > ] > > For #prefLabel I even saw the nepomukstorage process emit > propertyAdded+propertyChanged 6 times in a row, > for the same resource, with the same label. > > -- > David Faure, [email protected], http://www.davidfaure.fr > Working on KDE, in particular KDE Frameworks 5 > > _______________________________________________ > Nepomuk mailing list > [email protected] > https://mail.kde.org/mailman/listinfo/nepomuk > -- Vishesh Handa
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