def _fetch_version(self, key):
versioned = self.get(key)
if versioned:
version = versioned[0][1]
else:
version = protocol.VectorClock()
version.timestamp = int(time.time() * 1000)
return version
def _increment(self, clock):
new_clock = protocol.VectorClock()
new_clock.MergeFrom(clock)
# See if we already have a version for this guy, if so increment it
for entry in new_clock.entries:
if entry.node_id == self.node_id:
entry.version += 1
return new_clock
# Otherwise add a version
entry = new_clock.entries.add()
entry.node_id = self.node_id
entry.version = 1
new_clock.timestamp = int(time.time() * 1000)
return new_clock