/**
* Runs the simulation.
*
* @param integer $timeLimit The amount of simulation time to be simulated.
*/
public function run($timeLimit)
{
$serverBusy = false;
$numberInQueue = 0;
$serviceTime = new ExponentialRV(100.0);
$interArrivalTime = new ExponentialRV(100.0);
$this->eventList->enqueue(new Simulation_Event(self::ARRIVAL, 0));
while (!$this->eventList->isEmpty()) {
$event = $this->eventList->dequeueMin();
$t = $event->getTime();
if ($t > $timeLimit) {
$this->eventList->purge();
break;
}
//[
printf("%s\n", str($event));
//]
switch ($event->getType()) {
case self::ARRIVAL:
if (!$serverBusy) {
$serverBusy = true;
$this->eventList->enqueue(new Simulation_Event(self::DEPARTURE, $t + $serviceTime->next()));
} else {
++$numberInQueue;
}
$this->eventList->enqueue(new Simulation_Event(self::ARRIVAL, $t + $interArrivalTime->next()));
break;
case self::DEPARTURE:
if ($numberInQueue == 0) {
$serverBusy = false;
} else {
--$numberInQueue;
$this->eventList->enqueue(new Simulation_Event(self::DEPARTURE, $t + $serviceTime->next()));
}
break;
}
}
}
