ThreadFactory

wangdx大约 1 分钟
1、
package com.yootk;

public class YootkDemo { // 李兴华高薪就业编程训练营
    public static void main(String[] args) { // 沐言科技：www.yootk.com
        for (int x = 0; x < 100; x++) {
            new Thread(()->{
                System.out.println("线程名称：" + Thread.currentThread().getName());
            }).start();
        }
    }
}


2、
package com.yootk;
import java.util.concurrent.ThreadFactory;
class YootkThreadFactory implements ThreadFactory { // 创建线程工厂类
    private static final ThreadFactory INSTANCE = new YootkThreadFactory();
    private static final String TITLE = "yootk-"; // 定义线程名称的开头
    private static int count = 0; // 线程的自动计数处理
    private YootkThreadFactory() {} // 工厂类在定义的时候一定不需要实例化对象

    public static ThreadFactory getInstance() { // 返回工厂实例
        return INSTANCE;
    }
    @Override
    public Thread newThread(Runnable r) { // 此时的操作如果有需要可以进一步改进，例如：通过反射
        return new Thread(r, TITLE + count++); // 实例化Thread类对象
    }
}
public class YootkDemo { // 李兴华高薪就业编程训练营
    public static void main(String[] args) { // 沐言科技：www.yootk.com
        for (int x = 0; x < 10; x++) {
            Thread thread = YootkThreadFactory.getInstance().newThread(() -> {
                System.out.println("多线程执行：" + Thread.currentThread().getName());
            });
            thread.start();
        }
    }
}


3、
package com.yootk;
import java.lang.reflect.Constructor;
import java.util.concurrent.ThreadFactory;
class YootkThreadFactory implements ThreadFactory { // 创建线程工厂类
    private static final ThreadFactory INSTANCE = new YootkThreadFactory();
    private static final String TITLE = "yootk-"; // 定义线程名称的开头
    private static int count = 0; // 线程的自动计数处理
    private YootkThreadFactory() {} // 工厂类在定义的时候一定不需要实例化对象
    public static ThreadFactory getInstance() { // 返回工厂实例
        return INSTANCE;
    }
    @Override
    public Thread newThread(Runnable r) { // 此时的操作如果有需要可以进一步改进，例如：通过反射
        try {
            Class<?> clazz = Class.forName("java.lang.Thread");
            Constructor<?> constructor = clazz.getConstructor(Runnable.class, String.class);
            return (Thread) constructor.newInstance(r, TITLE + count++); // 实例化Thread类对象
        } catch (Exception e){
            return null;
        }
    }
}
public class YootkDemo { // 李兴华高薪就业编程训练营
    public static void main(String[] args) { // 沐言科技：www.yootk.com
        for (int x = 0; x < 10; x++) {
            Thread thread = YootkThreadFactory.getInstance().newThread(() -> {
                System.out.println("多线程执行：" + Thread.currentThread().getName());
            });
            thread.start();
        }
    }
}
ThreadFactory

demo
