public void hungry() throws InterruptedException {
while (DiningPhilosophers.leftNeighbourPhilosopher(id)
|| DiningPhilosophers.rightNeighbourPhilosopher(id)) {
Thread.sleep(randomPeriod.nextInt(10));
}
DiningPhilosophers.permissions.acquire();
leftChopstick.pickUp();
rightChopstick.pickUp();
DiningPhilosophers.philIsEating[id] = true;
}
public boolean pickUp() {
pause();
if (!left.pickUp()) {
return false;
}
pause();
if (!right.pickUp()) {
left.putDown();
return false;
}
pause();
return true;
}
@Override
public void run() {
while (running) {
System.out.println("Philosopher #" + getID() + " is thinking...");
sleep(rand(50, 150));
System.out.println("Philosopher #" + getID() + " is hungry...");
left.pickUp(this);
sleep(rand(5, 15));
right.pickUp(this);
System.out.println("Philosopher #" + getID() + " is eating...");
sleep(rand(50, 150));
right.drop();
sleep(rand(5, 15));
left.drop();
}
}
private void eat() throws InterruptedException {
numberOfMeals++;
comments.setText("Philosopher# " + id + " Eating");
comments.setForeground(Color.GREEN);
meal.setText("Meal # :" + numberOfMeals);
meal.setForeground(Color.BLUE);
philLabel.setIcon(DiningPhilosophers.philEatingIcons[id]);
Thread.sleep(randomPeriod.nextInt(maxPeriod));
leftChopstick.putDown();
rightChopstick.putDown();
DiningPhilosophers.permissions.release();
DiningPhilosophers.philIsEating[id] = false;
}
public void run() {
try {
while (!Thread.interrupted()) {
print(this + " " + "thinking");
pause();
// Philosopher becomes hungry
print(this + " " + "grabbing right");
right.take();
print(this + " " + "grabbing left");
left.take();
print(this + " " + "eating");
pause();
right.drop();
left.drop();
}
} catch (InterruptedException e) {
print(this + " " + "exiting via interrupt");
}
}
@Override
public void run() {
// TODO 自动生成的方法存根
try {
while (!Thread.interrupted()) {
print(this + " " + "thinking");
pause();
print(this + " " + "grabbing right");
right.take();
print(this + " " + "grabbing left");
left.take();
print(this + " " + "eating");
pause();
right.drop();
left.drop();
}
} catch (InterruptedException e) {
print(this + " " + "exiting via interrupt");
}
}
/** https://github.com/akka/akka/tree/master/akka-samples/akka-sample-fsm-java-lambda */
public static void main(String[] args) {
ActorSystem system = ActorSystem.create("example");
ActorRef chopstick1 = system.actorOf(Chopstick.props(), "Chopstick1");
ActorRef chopstick2 = system.actorOf(Chopstick.props(), "Chopstick2");
ActorRef chopstick3 = system.actorOf(Chopstick.props(), "Chopstick3");
ActorRef chopstick4 = system.actorOf(Chopstick.props(), "Chopstick4");
ActorRef chopstick5 = system.actorOf(Chopstick.props(), "Chopstick5");
ActorRef hakker1 = system.actorOf(Hakker.props(chopstick1, chopstick2), "Hakker1");
ActorRef hakker2 = system.actorOf(Hakker.props(chopstick2, chopstick3), "Hakker2");
ActorRef hakker3 = system.actorOf(Hakker.props(chopstick3, chopstick4), "Hakker3");
ActorRef hakker4 = system.actorOf(Hakker.props(chopstick4, chopstick5), "Hakker4");
ActorRef hakker5 = system.actorOf(Hakker.props(chopstick5, chopstick1), "Hakker5");
hakker1.tell(Protocol.Think, ActorRef.noSender());
hakker2.tell(Protocol.Think, ActorRef.noSender());
hakker3.tell(Protocol.Think, ActorRef.noSender());
hakker4.tell(Protocol.Think, ActorRef.noSender());
hakker5.tell(Protocol.Think, ActorRef.noSender());
}
@Override
public void run() {
while (feedCount != MAX_FEEDS) {
synchronized (this) {
boolean ready = leftChopstick.getBothChopsticks(name, rightChopstick);
if (ready) {
// System.out
eat();
} else {
starvingCount++;
}
}
think();
}
System.out.println(
String.format("%s complete dinner, startving %s times", name, starvingCount));
}
public void putDown() {
left.putDown();
right.putDown();
}
