Java Executor privilegedThreadFactory() 方法

2025年3月25日 | 1 分钟阅读

Executors 类的 privilegedThreadFactory() 方法返回一个线程工厂，用于创建与当前线程具有相同权限的新线程。此工厂创建的线程与 defaultThreadFactory() 的设置相同，此外，它还将新线程的 AccessControlContext 和 contextClassLoader 设置为与调用此 privilegedThreadFactory 方法的线程相同。

语法

参数

不传递任何参数。

返回值

一个线程工厂

抛出

AccessControlException

示例 1

  //import statement
  
    import java.util.concurrent.Executors;  
    import java.util.concurrent.ThreadFactory;  
      
    public class ExecutorsprivilegedThreadFactoryExample1  {  
       
        public static void main(String[] args) {  
            ThreadFactory thrdfctry = Executors.defaultThreadFactory();  
            Thread t = thrdfctry.newThread(new Mythrd3());  
            t.start();        
        }   
    }  
      
    class Mythrd3 implements Runnable {  
       
        @Override  
        public void run() {  
            System.out.println("Running thread concurrently");  
        }  
    }  

输出

Running thread concurrently

示例 2

import java.util.Date;
    import java.util.concurrent.Executors;  
    import java.util.concurrent.ThreadFactory;  
      
    public class ExecutorsprivilegedThreadFactoryExample2  {  
       
        public static void main(String[] args) {  
            ThreadFactory thrdfctry = Executors.privilegedThreadFactory();
            for(int i=0 ; i<=5 ; i++){
            Thread t = thrdfctry.newThread(new Mythrd5());  
             t.start();        
        }   
    }  
    }
    class Mythrd5 implements Runnable {  
       
        @Override  
        public void run() {  
            System.out.println("Running thread concurrently  ::" +  new Date());  
        }  
    }  

输出

Running thread concurrently  ::Sun Mar 17 03:24:04 IST 2019
Running thread concurrently  ::Sun Mar 17 03:24:04 IST 2019
Running thread concurrently  ::Sun Mar 17 03:24:04 IST 2019
Running thread concurrently  ::Sun Mar 17 03:24:04 IST 2019
Running thread concurrently  ::Sun Mar 17 03:24:04 IST 2019
Running thread concurrently  ::Sun Mar 17 03:24:04 IST 2019

下一主题Java Executors

Java Executor privilegedThreadFactory() 方法

语法

参数

返回值

抛出

示例 1

示例 2

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Java Executor privilegedThreadFactory() 方法

语法

参数

返回值

抛出

示例 1

示例 2

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