def start_delayed(env: Environment, generator: ProcessGenerator,
delay: SimTime) -> Process:
"""Return a helper process that starts another process for *generator*
after a certain *delay*.
:meth:`~simpy.core.Environment.process()` starts a process at the current
simulation time. This helper allows you to start a process after a delay of
*delay* simulation time units::
>>> from simpy import Environment
>>> from simpy.util import start_delayed
>>> def my_process(env, x):
... print(f'{env.now}, {x}')
... yield env.timeout(1)
...
>>> env = Environment()
>>> proc = start_delayed(env, my_process(env, 3), 5)
>>> env.run()
5, 3
Raise a :exc:`ValueError` if ``delay <= 0``.
"""
if delay <= 0:
raise ValueError(f'delay(={delay}) must be > 0.')
def starter() -> Generator[Event, None, Process]:
yield env.timeout(delay)
proc = env.process(generator)
return proc
return env.process(starter())
def main(commuters=10, sim_max_time=700, train_capacity=800):
env = Environment()
data=[]
train = Train(train_capacity, env)
train.start_monitor(data)
station_objs = convert_to_station_obj(TUBELINES['Jubilee'], env)
train.initialise(station_objs.values())
commuters, stats = initialise_commuters( commuters, station_objs, env )
env.process(train.run())
for station in station_objs.itervalues():
env.process(station.train_arrives(train))
for commuter in commuters:
env.process(commuter.request_train_space(train))
env.run(until=sim_max_time)
print '****DATA*****', data
