awakeFromSnapshotEvents: flags == 128?

  • I'm overriding this method in my iOS 5 application:

    - (void)awakeFromSnapshotEvents:(NSSnapshotEventType)flags

    According to the documentation, 'flags' is a bitmask of NSSnapshotEventType constants.

    However, it seems that the 'flags' value is always 128 when this method is called by CoreData. This value is not defined in the headers.

    I ask, because when my application is playing audio using an AudioQueue, playback usually get's interrupted when awakeFromSnapshotEvents: is called (mostly at times when there is no user interaction with the app). This is not caused by my override of awakeFromSnapshotEvents:.

    I'm trying to understand what is happening in the app / frameworks when flags == 128…

    patrick
    --
    Patrick Machielse
    Hieper Software

    http://www.hieper.nl
    <info...>
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