def process(self, message):
assert issubclass(message, Message)
result = None
if type(message) is Message.X:
# arrival of external event, global time
# 1. Update time variables
# 2. execute external transition function
# 3. repond with a done message
self.lastEventTime = self.nextEventTime
self.nextEventTime = self.model.timeAdvance()
self.model.externalTransition(message)
return Message.Done(self.model, self.nextEventTime)
elif type(message) is Message.Star:
# Time to execute internal transition
# 1. Get output of current phase's internal transition
# 2. Comput internal transition function
# 2. Send y message with the output
# 3. Send done message to indicate state transition has been carried out and proved next event time
self.lastEventTime = self.nextEventTime
self.nextEventTime = self.model.timeAdvance()
# the output variable below is the y message
output = self.model.output()
self.model.internalTransition()
return output, Message.Done(self.model, self.nextEventTime)
else:
raise(ValueError("Wrong message type received. Simulators can only receive type X and Star messages"))
def process(self, message):
"""[processes message]
Arguments:
message {[Message]} -- [The message of ]
Returns:
[type] -- [description]
"""
assert issubclass(message, Message)
if type(message) is Message.X:
"""
Arrival of external event
1. Time advance and set new sigma variable. This means set next internal transition time
2. External transition
Returns:
[Message.Done] -- [Telling that it has finished its external input transition and its next event time]
"""
self.lastEventTime = self.nextEventTime
self.nextEventTime = self.model.timeAdvance()
self.model.externalTransition(message.content)
return Message.Done(self, message.time, value=self.nextEventTime)
elif type(message) is Message.Star:
# Time to execute internal transition
# 1. Get output of current phase's internal transition
# 2. Comput internal transition function
# 2. Send y message with the output
# 3. Send done message to indicate state transition has been carried out and proved next event time
self.lastEventTime = self.nextEventTime
self.nextEventTime = self.model.timeAdvance()
# the output variable below is the y message
output = self.model.output()
self.model.internalTransition()
return output, Message.Done(self,
message.time,
value=self.nextEventTime)
else:
raise (ValueError(
"Wrong message type received. Simulators can only receive type X and Star messages"
))