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在Java中,可以通过实现ThreadFactory
接口来自定义Executor
执行器的线程工厂。以下是一个简单的示例:
ThreadFactory
接口的类:import java.util.concurrent.ThreadFactory;
import java.util.concurrent.atomic.AtomicInteger;
public class CustomThreadFactory implements ThreadFactory {
private final String namePrefix;
private final AtomicInteger threadNumber = new AtomicInteger(1);
public CustomThreadFactory(String namePrefix) {
this.namePrefix = namePrefix;
}
@Override
public Thread newThread(Runnable r) {
Thread t = new Thread(r, namePrefix + threadNumber.getAndIncrement());
t.setDaemon(false);
t.setPriority(Thread.NORM_PRIORITY);
return t;
}
}
在这个例子中,我们创建了一个名为CustomThreadFactory
的类,它实现了ThreadFactory
接口。我们为线程提供了一个名称前缀,并使用AtomicInteger
来生成唯一的线程编号。
Executor
执行器:import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
public class CustomExecutor {
public static void main(String[] args) {
CustomThreadFactory threadFactory = new CustomThreadFactory("MyCustomThread-");
ExecutorService executorService = Executors.newFixedThreadPool(5, threadFactory);
for (int i = 0; i < 10; i++) {
executorService.submit(() -> {
System.out.println("Thread name: " + Thread.currentThread().getName());
});
}
executorService.shutdown();
}
}
在这个例子中,我们创建了一个名为CustomExecutor
的类,并使用CustomThreadFactory
创建了一个固定大小的线程池。然后,我们提交了10个任务到线程池中,每个任务都会打印出当前线程的名称。
运行这个程序,你会看到类似以下的输出:
Thread name: MyCustomThread-1
Thread name: MyCustomThread-2
Thread name: MyCustomThread-3
Thread name: MyCustomThread-4
Thread name: MyCustomThread-5
Thread name: MyCustomThread-1
Thread name: MyCustomThread-2
Thread name: MyCustomThread-3
Thread name: MyCustomThread-4
Thread name: MyCustomThread-5
这样,你就成功地自定义了Java Executor
执行器的线程工厂。你可以根据需要修改CustomThreadFactory
类以满足你的需求。
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