Exemplo n.º 1
0
    def __init__(self, var_name, env, capacity, *args, **kwargs):
        """
        extend `sim.Component.__init__()`, override name variable,
        setup Worker specific attributes
        
        Args:
            var_name (str): name of the worker resource
            env (EnvironmentPlus): salabim_plus simulation environment
            capacity (int): indicator for the number of workers in this worker
                            resource 
            *arg, **kwargs: sim.Component specific default attributes
        """

        sim.Resource.__init__(self,
                              name=var_name,
                              capacity=capacity,
                              *args,
                              **kwargs)

        self.state = sim.State(self._name + '_status',
                               value='off_clock')  # worker status
        self.num_working = sim.State(
            self._name + '_num_working',
            value=0)  # state indicating how many workers are working
        self.env = env
        env.objs[self._name] = self
Exemplo n.º 2
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 def setup(self, sensitivity, busyness):
     self.state = sim.State((self.name() + ".state"), value="red")
     self.vehiclesQueue = sim.Queue(self.name() + ".queue")
     self.movementSensorSensitivity = sensitivity
     self.movementState = sim.State(self.name() + ".movementState",
                                    value='movement')
     self.busyness = busyness
Exemplo n.º 3
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    def __init__(self, var_name, env, *args, **kwargs):
        """
        extend `sim.Component.__init__()`, override name variable,
        setup Machine specific attributes
        
        Args:
            var_name (str): name of the machine
            env (EnvironmentPlus): salabim_plus simulation environment
            *arg, **kwargs: sim.Component specific default attributes
        """

        sim.Component.__init__(self, name=var_name, *args, **kwargs)

        self.var_name = self._name.replace(
            '.', '_')  # unique name of that specific machine
        self.queue = sim.Queue(self.var_name +
                               '_queue')  # queue of entities to work on
        self.in_queue = sim.State(
            self.var_name + '_in_queue'
        )  # trigger state to work on an entity, NOTE that the default state is FALSE
        self.state = sim.State(self.var_name + '_status',
                               value='idle')  # machine status
        self.time_remaining = 0  # time until machine finishes entity being process
        self.env = env
        env.objs[self._name] = self
Exemplo n.º 4
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def test38():
    def animation_objects(self, value):
        if value=='blue':
            an1=sim.Animate(circle0=(40,),fillcolor0=value, linewidth0=0)
        else:
            an1=sim.Animate(rectangle0=(-40,-20,40,20), fillcolor0=value,linewidth0=0)
        an2=sim.Animate(text=value,textcolor0='white')
        return (an1,an2)

    class X(sim.Component):
        def process(self):

            while True:
                for i in ('red','green','blue','yellow','red'):
                    letters.set(i[0])
                    light.set(i)
                    yield self.hold(1)

    class Q(sim.Queue):
        pass

    env=sim.Environment(trace=True)
    for i in range(3):
        q=Q(name='rij.')
    X()
    light=sim.State('light')
    light.animate()
    letters=sim.State('letters')
    letters.animate(x=100,y=100)

    env.animation_parameters(synced=False)
    env.run()
Exemplo n.º 5
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def test33():
    class X(sim.Component):
        def process(self):

            yield self.hold(1)
            s1.set(1)
            yield self.hold(1)
            s1.set(2)
            s2.set('red')
            yield self.hold(2)
            s1.set(30)

    class Y(sim.Component):
        def process(self):
            while True:
                yield self.wait((s1,lambda x, component, state: x/2>self.env.now()))
                yield self.hold(1.5)

    class Z(sim.Component):
        def process(self):
            while True:
                yield self.wait((s2,lambda x, component, state: x in ("red","yellow")))
                yield self.hold(1.5)


    env=sim.Environment(trace=True)
    env.print_info()
    s1=sim.State(name='s.',value=0)
    s2=sim.State(name='s.',value='green')
    s3=sim.State(name='s.')
    q=sim.Queue('q.')
    x=X()
    y=Y()
    z=Z()
    env.run(10)
Exemplo n.º 6
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    def __init__(self,
                 var_name,
                 env,
                 steps,
                 tracker,
                 bom=None,
                 main_exit=None,
                 cut_queue=False,
                 prepop=False,
                 *args,
                 **kwargs):
        """
        extend `sim.Component.__init__()`, override name variable,
        setup Entity specific attributes
        
        Args:
            var_name (str): name of the entity
            env (EnvironmentPlus): salabim_plus simulation environment
            steps (dict): nested dictionary mapping out steps an entity will <-- UPDATE!!
                          take, must follow standard steps dictionary 
                          formatting (see steps variable documentation)
            tracker (EntityTracker): entity tracker used to route new and 
                                     completed entities
            bom (dict): nested dictionary mapping out build of materials 
                        required to process an entity, must follow standard 
                        bom dictionary formatting (see bom variable 
                        documentation), optional, default=None
            main_exit (Kanban|Storage): location to move entity when its completed,
                                        optional, default=None
            cut_queue (bool): indicator denoting entity should enter queues at
                              head of queue  
            *arg, **kwargs: sim.Component specific default attributes
        """

        sim.Component.__init__(self, name=var_name, *args, **kwargs)

        self.var_name = self._name.replace(
            '.', '_')  # unique name of that specific entity
        self.state = sim.State(self.var_name + '_state',
                               value='in_wip')  # entity status
        self.step_complete = sim.State(
            self.var_name +
            '_step_complete')  # trigger state to move to next step
        self.steps = steps
        self.bom = bom
        self.main_exit = main_exit
        self.cut_queue = cut_queue
        self.prepop = prepop
        self.tracker = tracker
        self.as_built = []  # entity contents that were used to built entity
        self.env = env
        env.objs[self._name] = self

        if self.bom:
            self.get_materials()
Exemplo n.º 7
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    def __init__(self, var_name, env, *args, **kwargs):
        """
        extend `sim.Component.__init__()`, override name variable,
        setup EntityTracker specific attributes
        
        Args:
            var_name (str): name of the entity
            env (EnvironmentPlus): salabim_plus simulation environment
            *arg, **kwargs: sim.Component specific default attributes
        """

        sim.Component.__init__(self, name='track.' + var_name, *args, **kwargs)

        self.wip = sim.Queue(self._name + '_wip')
        self.complete = sim.Queue(self._name + '_complete')
        self.wip_count = sim.State(self._name + '_wip_count', value=0)
        self.complete_count = sim.State(self._name + '_complete_count',
                                        value=0)
        self.env = env
        env._add_env_objectlist(self)
Exemplo n.º 8
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    def __init__(self, var_name, env, kanban_attr, *args, **kwargs):
        """
        extend `sim.Component.__init__()`, override name variable,
        setup Kanban specific attributes
        
        Args:
            var_name (str): name of the kanban storage location
            env (EnvironmentPlus): salabim_plus simulation environment
            kanban_attr (dict): dictionary mapping out characteristics of the 
                                kanban, must follow standard kanban_attr 
                                dictionary formatting (see kanban_attr 
                                variable documentation)
            *arg, **kwargs: sim.Component specific default attributes
        """

        sim.Component.__init__(self,
                               name=var_name + '_kanban',
                               *args,
                               **kwargs)

        self.order_gen = kanban_attr[
            'order_gen']  # EntityGenerator to order entities from
        self.order_point = kanban_attr[
            'order_point']  # threshold in which an order shall be made
        self.order_qty = kanban_attr['order_qty']  # quantity of an order
        self.init_qty = kanban_attr[
            'init_qty']  # initial quantity to order at beginning of simulation
        self.warmup_time = kanban_attr[
            'warmup_time']  # time to wait in beginning of simulation before evaluating whether an order should be made
        self.queue = sim.Queue(self._name + '_queue')  # kanban queue
        self.count = sim.State(
            self._name + '_count',
            value=0)  # state indicating how many entities are in kanban queue
        self.on_order = sim.State(
            self._name + '_on_order',
            value=0)  # state indicating how many entities are on order
        self.total_inv = sim.State(
            self._name + '_total_inv',
            value=0)  # sum of entities on order and entities in kanban queue
        self.env = env
        env.objs[self._name] = self
Exemplo n.º 9
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def test34():
    class X(sim.Component):
        def process(self):

            try:
                yield self.hold(-1)
            except sim.SalabimError:
                yield self.hold(1)
            s1.set(1)
            yield self.hold(1)
            s1.set(2)
            s2.set('red')
            yield self.hold(2)
            s1.set(30)

    class Y(sim.Component):
        def process(self):
            while True:
                yield self.wait((s1,'$==2'))
                yield self.hold(1.5)

    class Z(sim.Component):
        def process(self):
            while True:
                yield self.wait((s2,'"$" in ("red","yellow")'),all=True)
                yield self.hold(1.5)


    env=sim.Environment(trace=True)
    env.print_info()
    s1=sim.State(name='s.',value=0)
    s2=sim.State(name='s.',value='green')
    s3=sim.State(name='s.')
    s1.name('piet')
    q=sim.Queue('q.')
    x=X()
    y=Y()
    z=Z()
    env.run(10)
    s1.print_statistics()
Exemplo n.º 10
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    def __init__(self, var_name, env, *args, **kwargs):
        """
        extend `sim.Component.__init__()`, override name variable,
        setup EntityTracker specific attributes
        
        Args:
            var_name (str): name of the entity
            env (EnvironmentPlus): salabim_plus simulation environment
            *arg, **kwargs: sim.Component specific default attributes
        """

        sim.Component.__init__(self, name='track.' + var_name, *args, **kwargs)
        # this is the same line of code that is in the EntityGenerator class

        self.wip = sim.Queue(
            self._name + '_wip'
        )  # this is defining queues of all these names. they will all be prepended with 'tracker.' because self includes the tracker portion because this function is called by the EntityGenerator
        self.complete = sim.Queue(self._name + '_complete')
        self.wip_count = sim.State(self._name + '_wip_count', value=0)
        self.complete_count = sim.State(self._name + '_complete_count',
                                        value=0)
        self.env = env
        env.objs[self._name] = self
Exemplo n.º 11
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def test31():
    class X(sim.Component):
        def process(self):

            yield self.hold(1)
            s1.set()
            yield self.hold(2)
            s1.reset()
            yield self.hold(2)
            y.print_info()
            s1.trigger()

    class Y(sim.Component):
        def process(self):
            while True:
                yield self.wait(s1,(s2,'red'),(s2,'green'),s3)
                yield self.hold(1.5)


    env=sim.Environment(trace=True)
    env.print_info()
    s1=sim.State(name='s.')
    s2=sim.State(name='s.')
    s3=sim.State(name='s.')
    q=sim.Queue('q.')
    x=X()
    y=Y()
    env.run(10)
    print('value at ',env.now(),s1.get())
    print (s1.value.xduration())
    print(s1.value.tx())
    print(env)
    print(y)
    print(q)
    print(s1)
    s1.print_info()
    s2.print_info()
Exemplo n.º 12
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    def __init__(self, var_name, env, *args, **kwargs):
        """
        extend `sim.Component.__init__()`, override name variable,
        setup Storage specific attributes
        
        Args:
            var_name (str): name of the storage location
            env (EnvironmentPlus): salabim_plus simulation environment
        """

        sim.Component.__init__(self,
                               name=var_name + '_storage',
                               *args,
                               **kwargs)

        self.queue = sim.Queue(self._name + '_queue')  # storage queue
        self.count = sim.State(self._name + '_count',
                               value=0)  # quantity inside storage queue
        self.env = env
        env.objs[self._name] = self
Exemplo n.º 13
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def test32():
    class X(sim.Component):
        def process(self):
            yield self.wait(go)
            print('X after wait')
            yield self.hold(10)

        def p1(self):
            print('X in p1')
            yield self.passivate()

    class Y(sim.Component):
        def process(self):
            yield self.hold(2)
            x.activate(keep_wait=True, at=20)

    env = sim.Environment(trace=True)
    go = sim.State()
    x = X()
    y = Y()
    sim.run()
Exemplo n.º 14
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            while len(armazem2) > 0:
                self.Deck = armazem2.pop()
                self.Deck.activate()
            while len(armazem3) > 0:
                self.Wheel = armazem3.pop()
                self.Wheel.activate()
            while len(armazem4) > 0:
                self.Wheel = armazem4.pop()
                self.Wheel.activate()
            if (env.now() // 1440) > 1:
                gestao.activate()


env = sim.Environment(random_seed=200, time_unit='minutes', trace=False)

work_control = sim.State('work_control', value='working')

#initiation dos processos
deck_pack = sim.Resource('deck_pack', capacity=0)
wheel_pack = sim.Resource('wheel_pack', capacity=0)
skate_unity = sim.Resource('skate_unity', capacity=0)
wheel_unity = sim.Resource('wheel_unity', capacity=0)
deck_unity = sim.Resource('deck_unity', capacity=0)
cuttings = sim.Resource('cuttings', capacity=3)
finishing = sim.Resource('finishing', capacity=1)
painting = sim.Resource('painting', capacity=1)
machining = sim.Resource('machining', capacity=2)
printing = sim.Resource('printing', capacity=1)
packing_w = sim.Resource('packing_w', capacity=1)
packing_d = sim.Resource('packing_d', capacity=2)
assembly_line = sim.Resource('assembly_line', capacity=2)
Exemplo n.º 15
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 def setup(self):
     self.vehiclesInBetweenBool = sim.State(self.name() +
                                            ".vehiclesPresentState",
                                            value=False)
     self.vehiclesQueue = sim.Queue(self.name() + ".vehiclesQueue")
Exemplo n.º 16
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 def setup(self, light, trafficEnv):
     self.trafficEnv = trafficEnv
     self.roadBetween = trafficEnv.roadBetween
     self.atLight = light
     self.movedState = sim.State(self.name() + ".movedState")
     self.atLight.vehiclesQueue.add(self)
            self.leave(waitingline)
            env.number_reneged += 1
            env.print_trace("", "", "reneged")
        else:
            yield self.passivate()  # wait for service to be completed


class Clerk(sim.Component):
    def process(self):
        while True:
            if len(waitingline) == 0:
                yield self.wait(worktodo)
            self.customer = waitingline.pop()
            yield self.hold(30)
            self.customer.activate()


env = sim.Environment()
CustomerGenerator()
env.number_reneged = 0
env.number_balked = 0
for i in range(3):
    Clerk()
waitingline = sim.Queue("waitingline")
worktodo = sim.State("worktodo")
env.run(till=50000)
waitingline.print_histograms()
worktodo.print_histograms()
print("number reneged", env.number_reneged)
print("number balked", env.number_balked)
class Customer(sim.Component):
    def process(self):
        self.enter(waitingline)
        worktodo.trigger(max=1)
        yield self.passivate()


class Clerk(sim.Component):
    def process(self):
        while True:
            if len(waitingline) == 0:
                yield self.wait(worktodo)
            self.customer = waitingline.pop()
            yield self.hold(30)
            self.customer.activate()


env = sim.Environment(trace=False)
CustomerGenerator()
for i in range(3):
    Clerk()
waitingline = sim.Queue('waitingline')
worktodo = sim.State('worktodo')

env.run(till=50000)
waitingline.length.print_histogram(30, 0, 1)
print()
waitingline.length_of_stay.print_histogram(30, 0, 10)
worktodo.print_statistics()
Exemplo n.º 19
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        # OK, now wait to get out onto the street; every time a new car
        # arrives in cross traffic, it will signal us to check the new
        # next arrival time
        while env.now() + time_to_exit >= street.nextarrival:
            yield self.wait(wakeup, mode='wait for wakeup')
        yield self.hold(time_to_exit, mode='exit')
        self.release(bufferfront)
        self.release(buffer)


class CarWash(sim.Component):
    def process(self):
        while True:
            yield self.hold(wash_iat.sample())
            Car()


env = sim.Environment(trace=True)
wakeup = sim.State(name='wakeup')
wash_time = sim.Pdf((1.0, 0.7, 2.0, 0.3))
street_iat = sim.Exponential(1)
wash_iat = sim.Exponential(1)
buffer = sim.Resource(capacity=4)
bufferfront = sim.Resource()
bay = sim.Resource()
time_to_exit = 1
CarWash()
street = Street()

env.run(500)
Exemplo n.º 20
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            env.king = self
        else:
            yield self.wait((king_died, True, -env.now()),
                            fail_at=self.live_till)
            if self.failed():  # the prince dies before getting to the throne
                env.print_trace('', '', 'dies before getting to the throne')
                return
            env.king = self
        env.print_trace('', '', 'vive le roi!', env.king.name())
        kings.append((self.name(), env.now(), self.live_till,
                      self.live_till - env.now()))
        yield self.hold(till=self.live_till)
        env.print_trace('', '', 'Le roi est mort.')
        env.king = None
        king_died.trigger(max=1)
        if env.king is None:
            env.lastkingdied = env.now()


env = sim.Environment(trace=True)
env.king = None
env.lastkingdied = env.now()
kings = []
king_died = sim.State(name='king died')
PrinceGenerator()

env.run(5000)
print('king                     from       to duration')
for king in kings:
    print('{:20}{:9d}{:9d}{:9d}'.format(*king))
Exemplo n.º 21
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        light['west'].set('red')
        light['east'].set('red')
        light['north'].set('green')
        light['south'].set('green')
            
    def process(self):
        while True:
            yield self.hold(55)
            for direction in directions:
                if light[direction].get() == 'green':
                    light[direction].set('yellow')
            yield self.hold(5)
            for direction in directions:
                if light[direction].get() == 'yellow':
                    light[direction].set('red')
                else:
                    light[direction].set('green')
        
env=sim.Environment(trace=True)
directions=('west','east','north','south')

light={}
for direction in directions:
    light[direction] = sim.State('light_'+direction)


TrafficLight()
CarGenerator()
env.run(500)

Exemplo n.º 22
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class Client(sim.Component):
    def process(self):
        self.enter(waiting_clients)
        work_to_do.trigger(max=1)
        yield self.passivate()


class ClientGenerator(sim.Component):
    def process(self):
        while True:
            yield self.hold(sim.Exponential(iat).sample())
            Client()


env = sim.Environment(trace=True)

waiting_clients = sim.Queue('waiting_clients')
work_to_do = sim.State('work_to_do')

nservers = 5
iat = 1
server_time = 4

for i in range(nservers):
    Server()

ClientGenerator(name='clientgenerator')

env.run(100)
Exemplo n.º 23
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            env.king = self
        else:
            yield self.wait((king_died, True, -env.now()),
                            fail_at=self.live_till)
            if self.failed():  # the prince dies before getting to the throne
                env.print_trace("", "", "dies before getting to the throne")
                return
            env.king = self
        env.print_trace("", "", "vive le roi!", env.king.name())
        kings.append((self.name(), env.now(), self.live_till,
                      self.live_till - env.now()))
        yield self.hold(till=self.live_till)
        env.print_trace("", "", "Le roi est mort.")
        env.king = None
        king_died.trigger(max=1)
        if env.king is None:
            env.lastkingdied = env.now()


env = sim.Environment(trace=True)
env.king = None
env.lastkingdied = env.now()
kings = []
king_died = sim.State(name="king died")
PrinceGenerator()

env.run(5000)
print("king                     from       to duration")
for king in kings:
    print("{:20}{:9d}{:9d}{:9d}".format(*king))

class Client(sim.Component):
    def setup(self):
        self.enter(waiting_clients)
        work_to_do.trigger(max=1)


class ClientGenerator(sim.Component):
    def process(self):
        while True:
            yield self.hold(sim.Exponential(iat).sample())
            Client()


env = sim.Environment(trace=True)

waiting_clients = sim.Queue("waiting_clients")
work_to_do = sim.State("work_to_do")

nservers = 5
iat = 1
server_time = 4

for i in range(nservers):
    Server()

ClientGenerator(name="clientgenerator")

env.run(100)
Exemplo n.º 25
0
waitingLineFinishing = sim.Queue("Line for finishing")
waitingLinePainting = sim.Queue("Line for painting")
waitingLineStorage2 = sim.Queue("Line for Storage 2")
waitingLineExportDecks = sim.Queue("Line for export decks")

# Processos para as pranchas
pressing = [Pressing() for i in range(4)]
storage1 = Storage1()
cutting = [Cutting() for i in range(3)]
finishing = Finishing()
painting = Painting()
storage2 = Storage2()
exportDecks = [PackingDecks() for i in range(2)]

# States para as pranchas
pressingState = sim.State("pressingState", value=True)
storage1State = sim.State("storage1State", value=True)
cuttingState = sim.State("cuttingState", value=True)
finishingState = sim.State("finishingState", value=True)
paintingState = sim.State("paintingState", value=True)
storage2State = sim.State("storage2State", value=True)
exportDecksState = sim.State("exportDecksState", value=True)

lote_decks = [DeckGenerator(num_deck=pranchas) for i in range(DIAS_SIM)]

# -------------------- RODAS --------------------

rodas = (5280 * 4 + 4 * 2640) / 22  # Produção de rodas diária

# Filas para as rodas
waitingLineFoundry = sim.Queue("Line for foundry")
Exemplo n.º 26
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    def __init__(self,
                 var_name,
                 steps_func,
                 env,
                 arrival_type=None,
                 start_at=0,
                 bom=None,
                 main_exit=None,
                 cut_queue=False,
                 interval=None,
                 inv_level=None,
                 *args,
                 **kwargs):
        """
        extend `sim.Component.__init__()`, override name variable, 
        setup EntityGenerator specific attributes
        
        Args:
            var_name (str): name of the entity
            # steps (dict): nested dictionary mapping out steps an entity will 
            #               take, must follow standard steps dictionary 
            #               formatting (see steps variable documentation)
            steps_func (function): entity step building function that maps out
                                   the steps an entity will take, must return 
                                   a properly formatted steps dictionary (see 
                                   steps variable documentation)
            env (EnvironmentPlus): salabim_plus simulation environment
            arrival_type (str): predefined method in which entities can 
                                arrive, available methods: ('continuous',
                                'periodic','ordered','inv_based')
            start_at (int): time epoch to wait until before starting 
                            EntityGenerator, optional, default=0
            bom (dict): nested dictionary mapping out build of materials 
                        required to process an entity, must follow standard 
                        bom dictionary formatting (see bom variable 
                        documentation), optional, default=None
            main_exit (Kanban|Storage): location to move entity when its completed,
                                        optional, default=None
            cut_queue (bool): indicator denoting entity should enter queues at
                              head of queue  
            interval (int): time epoch between entity arrivals (only for 
                            arrival_type=`periodic`, optional, default=None)
            inv_level (int): inventory level at which work in process should 
                             be maintained (only for arrival_type=`inv_based`,
                             optional, default=None)
            *arg, **kwargs: sim.Component specific default attributes
        """

        sim.Component.__init__(self, name='gener.' + var_name, *args, **kwargs)

        self.entity = Entity  # Entity base class
        self.make_count = 0
        self.tracker = EntityTracker(
            var_name, env)  # EntityTracker instance of var_name=var_name
        self.var_name = self._name.replace('gener.', '').replace('.', '_')
        # self.steps = steps
        self.steps_func = steps_func
        self.bom = bom
        self.main_exit = main_exit
        self.cut_queue = cut_queue
        self.arrival_type = arrival_type
        self.start_at = start_at
        self.env = env
        env.objs[self._name] = self

        # decision tree to initialize arrival_type specific attributes
        if arrival_type == 'continuous':
            pass
        elif arrival_type == 'periodic':
            self.interval = interval
        elif arrival_type == 'ordered':
            # sim.State used to know if any entities have been ordered
            # sim.State is defined in the salabim package; its default value is set to FALSE until it is interacted with and becomes true
            # the value of a state is automatically monitored in the state.value level monitor
            self.ordered_qty = (sim.State(self.var_name + '_ordered_qty',
                                          value=0))
        elif arrival_type == 'inv_based':
            self.inv_level = inv_level
        # raise error for an unrecognized arrival_type method
        else:
            options = ['continuous', 'periodic', 'ordered', 'inv_based']
            raise InputError(arrival_type, 'arrival_type', options)
Exemplo n.º 27
0
 def setup(self, i):
     self.atwork = sim.State('at work {}'.format(i))
Exemplo n.º 28
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 def setup(self):
     self.green=sim.State(name='green')
Exemplo n.º 29
0
import salabim as sim


class P(sim.Component):
    def process(self):
        while True:
            x.set('red')
            yield self.hold(2)
            x.set('blue')
            yield self.hold(2)
            x.set()
            yield self.hold(2)
            x.reset()
            yield self.hold(2)


env = sim.Environment()
env.animation_parameters(background_color='black')
x = sim.State()
x.animate()

P()

env.run()