public void run() {
// Test floor lock-out with RandomEventGen
// for (int fl = 2; fl < 12; fl++) {
// controller.lockFloor(0, fl);
// controller.lockFloor(1, fl+10);
// }
Random random = new Random();
isRunning = true;
while (true) {
// check to see if user wants to stop this thread
Thread.yield(); // let another thread have some time perhaps to stop this one.
if (Thread.currentThread().isInterrupted()) {
break;
}
/* Generate a random float between 0.0 - 1.0
* every 0.5 seconds
*/
try {
sleep(500);
} catch (InterruptedException e) {
break;
}
if (!paused) {
float randomFloat = random.nextFloat();
/* Create the event if randomFloat is less
* than the specified probability.
*/
if (probPassenger > randomFloat) {
int arrivalFl = 0;
int destFl = 0;
// Loop until we get a valid floor request
do {
arrivalFl = random.nextInt(controller.getMaxFloor() + 1);
destFl = random.nextInt(controller.getMaxFloor() + 1);
} while (!controller.validFloorReq(arrivalFl, destFl));
// Create Passenger
try {
Passenger passenger =
new Passenger(
arrivalFl,
destFl,
40 + random.nextInt(70),
// if building has penthouse and dest is penthouse -> VIP = true
(destFl == controller.getMaxFloor() && controller.hasPenthouse())
? true
: false);
// Pass passenger to the Controller
controller.newPassengerRequest(passenger);
} catch (BossLiftGeneralException e) { // do nothing
}
}
// Passenger will request emergency
// if randomFloat is less than probEmergency.
if (probEmergency > randomFloat) {
// Only send passenger emergency request to elevators with passengers
// First check to see if there are passengers in a random elevator
int elevID = random.nextInt(controller.getElevNum());
// Avoid potential infinite loop if there are no passengers in the system.
for (int i = 0; i < 10; i++) {
if (controller.passengerInElev(elevID)) {
try {
safety.passengerEmergencyRequest(elevID);
} catch (BossLiftGeneralException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
break;
}
// if not - check next elevator that has passenger -> send emergency to safety
elevID = (elevID += 1) % controller.getElevNum();
}
}
// Make maintenance event probability exclusive
// from passenger emergency probability
if (probFault > (1.0f - randomFloat)) {
// Create random integer for specific floor and pass it to safety
// safety.randomMaintenanceRequest(random.nextInt());
safety.injectFloorFault(random.nextInt(controller.getMaxFloor() + 1));
}
} else {
try {
Thread.sleep(500);
} catch (InterruptedException e) {
break;
}
}
}
isRunning = false;
}
