""" bank22_OO: An interruption by a phone call """
from SimPy.Simulation import *
## Model components ------------------------
class Customer(Process):
""" Customer arrives, looks around and leaves """
def visit(self,timeInBank,onphone):
print "%7.4f %s: Here I am"%(self.sim.now(),self.name)
yield hold,self,timeInBank
if self.interrupted():
timeleft = self.interruptLeft
self.interruptReset()
print "%7.4f %s: Excuse me"%(self.sim.now(),self.name)
print "%7.4f %s: Hello! I'll call back"%(self.sim.now(),self.name)
yield hold,self,onphone
print "%7.4f %s: Sorry, where were we?"%(self.sim.now(),self.name)
yield hold,self,timeleft
print "%7.4f %s: I must leave"%(self.sim.now(),self.name)
class Call(Process):
""" Cellphone call arrives and interrupts """
def ring(self,klaus,timeOfCall):
yield hold,self,timeOfCall
print "%7.4f Ringgg!"%(self.sim.now())
self.interrupt(klaus)
## Experiment data -------------------------
timeInBank = 20.0
timeOfCall = 9.0
onphone = 3.0
maxTime = 100.0
## Model -----------------------------------
class BankModel(Simulation):
def run(self):
self.initialize()
klaus = Customer(name="Klaus",sim=self)
self.activate(klaus,klaus.visit(timeInBank,onphone))
call = Call(sim=self)
self.activate(call, call.ring(klaus,timeOfCall))
self.simulate(until=maxTime)
## Experiment -----------------------------
BankModel().run()
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