@property
    def serialization_id(self):
        if self.object_id >= 10 ** 10 or self.verb.id >= 10 ** 3:
            raise TypeError('Fatal: object_id / verb have too many digits !')
        if not self.time:
            raise TypeError('Cant serialize activities without a time')
        milliseconds = str(int(datetime_to_epoch(self.time) * 1000))
        serialization_id_str = '%s%0.10d%0.3d' % (
            milliseconds, self.object_id, self.verb.id)
        serialization_id = int(serialization_id_str)
        return serialization_id
Return true if this is a target that can be linked against.
dataset/ETHPy150Open tschellenbach/Stream-Framework/stream_framework/activity.py/Activity.serialization_id--crossover with--dataset/ETHPy150Open adblockplus/gyp/pylib/gyp/generator/ninja.py/Target.Linkable