executor 获取线程池的堵塞队列
时间: 2023-12-11 17:41:39
浏览: 58
要获取线程池的阻塞队列,您可以使用Java [executor](https://geek.csdn.net/educolumn/566e7c26c9421a641f601efb455fcd63?dp_token=eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJpZCI6NDQ0MDg2MiwiZXhwIjoxNzA3MzcxOTM4LCJpYXQiOjE3MDY3NjcxMzgsInVzZXJuYW1lIjoid2VpeGluXzY4NjQ1NjQ1In0.RrTYEnMNYPC7AQdoij4SBb0kKEgHoyvF-bZOG2eGQvc&spm=1055.2569.3001.10083)框架中的ThreadPool[executor](https://geek.csdn.net/educolumn/566e7c26c9421a641f601efb455fcd63?dp_token=eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJpZCI6NDQ0MDg2MiwiZXhwIjoxNzA3MzcxOTM4LCJpYXQiOjE3MDY3NjcxMzgsInVzZXJuYW1lIjoid2VpeGluXzY4NjQ1NjQ1In0.RrTYEnMNYPC7AQdoij4SBb0kKEgHoyvF-bZOG2eGQvc&spm=1055.2569.3001.10083)类的getQueue()方法。以下是一个示例代码:
```java
import java.util.concurrent.*;
public class Main {
public static void main([string](https://geek.csdn.net/edu/8802d631b97a4a6af1f4d0bbf8527465?dp_token=eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJpZCI6NDQ0MDg2MiwiZXhwIjoxNzA3MzcxOTM4LCJpYXQiOjE3MDY3NjcxMzgsInVzZXJuYW1lIjoid2VpeGluXzY4NjQ1NjQ1In0.RrTYEnMNYPC7AQdoij4SBb0kKEgHoyvF-bZOG2eGQvc&spm=1055.2569.3001.10083)[] args) {
// 创建一个线程池
[executor](https://geek.csdn.net/educolumn/566e7c26c9421a641f601efb455fcd63?dp_token=eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJpZCI6NDQ0MDg2MiwiZXhwIjoxNzA3MzcxOTM4LCJpYXQiOjE3MDY3NjcxMzgsInVzZXJuYW1lIjoid2VpeGluXzY4NjQ1NjQ1In0.RrTYEnMNYPC7AQdoij4SBb0kKEgHoyvF-bZOG2eGQvc&spm=1055.2569.3001.10083)Service [executor](https://geek.csdn.net/educolumn/566e7c26c9421a641f601efb455fcd63?dp_token=eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJpZCI6NDQ0MDg2MiwiZXhwIjoxNzA3MzcxOTM4LCJpYXQiOjE3MDY3NjcxMzgsInVzZXJuYW1lIjoid2VpeGluXzY4NjQ1NjQ1In0.RrTYEnMNYPC7AQdoij4SBb0kKEgHoyvF-bZOG2eGQvc&spm=1055.2569.3001.10083) = Executors.newFixedThreadPool(5);
// 将线程池强制转换为ThreadPoolExecutor类型
ThreadPoolExecutor threadPoolExecutor = (ThreadPoolExecutor) executor;
// 获取线程池的阻塞队列
BlockingQueue<Runnable> queue = threadPoolExecutor.getQueue();
// 打印队列大小
System.out.println("队列大小:" + queue.size());
// 关闭线程池
executor.shutdown();
在上面的示例中,我们首先创建一个固定大小为5的线程池。然后,我们将线程池强制转换为ThreadPoolExecutor类型,以便能够调用getQueue()方法来获取