def acquire(self, spike: Spike, act: IActivation):
if not self.spike and self.id() == spike.id() and (
self.max_age_value < 0
or spike.age() <= act.secs_to_ticks(self.max_age_value)):
assert not spike.is_wiped()
with spike.causal_group() as cg:
# Causal group might refuse acquisition, if one of act's state's write-props is unavailable.
if not cg.acquired(spike, act, self.detached_value):
return False
self.spike = spike
self._min_age_ticks = act.secs_to_ticks(self.min_age_value)
return True
return False
def emit(self,
signal,
parents=None,
wipe: bool = False,
payload=None) -> None:
# Copy instead of calling super to obtain reference to created spike.
if wipe:
self.wipe(signal)
with self._lock:
new_spike = Spike(sig=signal.id(),
parents=parents,
consumable_resources=set(
self._properties.keys()),
payload=payload)
logger.debug(f"Emitting {new_spike}")
service.spike(new_spike.id())
self._spikes_per_signal[signal].add(new_spike)