package Thread_case5_package;

import java.util.ArrayList;
import java.util.Collections;
import java.util.concurrent.Callable;

public class MyCallable implements Callable<Integer> {

    ArrayList<Integer> list;

    public MyCallable(ArrayList<Integer> list) {
        this.list = list;
    }

    @Override
    public Integer call() throws Exception {
        ArrayList<Integer> boxList = new ArrayList<>();
        while (true) {
            synchronized (Thread_case2_package.MyThread.class) {
                if (list.size() == 0) {
                    System.out.println(Thread.currentThread().getName() + boxList);

                    break;
                } else {
                    //继续抽奖
                    Collections.shuffle(list);
                    Integer prize = list.remove(0);
                    //System.out.println(getName() + "又产生了一个" + prize + "元大奖");
                    boxList.add(prize);
                }
            }

            Thread.sleep(10);
        }

        //把集合中的最大值返回
        if (boxList.size() == 0) {
            return null;
        } else {
            return Collections.max(boxList);
        }
    }
}