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package philosopher;

import java.util.Arrays;

/**

* Created by kennylbj on 16/8/28.

* Dining Philosopher problems

* wiki https://en.wikipedia.org/wiki/Dining_philosophers_problem

*/

public class Main {

private static final int PHI_NUM = 5;

private static final int SLEEP_TIME = 10 * 1000;

public static void main(String[] args) throws InterruptedException {

Chopstick[] chopsticks = new Chopstick[PHI_NUM];

for (int i = 0; i < PHI_NUM; i++) {

chopsticks[i] = new Chopstick(i);

}

Philosopher[] philosophers = new Philosopher[PHI_NUM];

for (int i = 0; i < PHI_NUM; i++) {

philosophers[i] = new Philosopher(i,

chopsticks[i % PHI_NUM], chopsticks[(i+1) % PHI_NUM]);

new Thread(philosophers[i]).start();

}

Thread.sleep(SLEEP_TIME);

Arrays.stream(philosophers).forEach(Philosopher::stop);

int sum = Arrays.stream(philosophers).mapToInt(Philosopher::getCount).sum();

System.out.println("sum is " + sum);

}

}