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T34.java
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46 lines (38 loc) · 1.28 KB
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package com.basic;
import java.util.concurrent.*;
/**
* @program JavaBooks
* @description: CyclicBarrier的使用示例
* @author: mf
* @create: 2020/01/09 17:17
*/
public class T34 {
// 请求的数量
private static final int threadCount = 30;
// 需要同步的线程数量
private static final CyclicBarrier cyclicBarrier = new CyclicBarrier(5);
public static void main(String[] args) throws InterruptedException {
ExecutorService service = Executors.newFixedThreadPool(10);
for (int i = 0; i < threadCount; i++) {
final int threadNum = i;
Thread.sleep(1000);
service.execute(() -> {
test(threadNum);
});
}
service.shutdown();
}
private static void test(int threadNum) {
System.out.println("threadNum: " + threadNum + " is ready");
try {
cyclicBarrier.await(60, TimeUnit.SECONDS); // 等待60s，保证子线程完全执行结束
} catch (InterruptedException e) {
e.printStackTrace();
} catch (BrokenBarrierException e) {
e.printStackTrace();
} catch (TimeoutException e) {
e.printStackTrace();
}
System.out.println("threadNum: " + threadNum + " finish...");
}
}