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2022-11-24 2af932533ef851bf983385244e9912976dbd4daa

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package com.mm.android.deviceaddmodule.mobilecommon.AppConsume; 
 
import android.os.Process; 
 
import java.util.concurrent.ExecutorService; 
import java.util.concurrent.Executors; 
import java.util.concurrent.Future; 
import java.util.concurrent.ThreadFactory; 
 
public class ThreadPool { 
    private volatile static ExecutorService cachedThreadPool; 
 
    // 提交线程 
    public static Future<?> submit(Runnable mRunnable) { 
 
        if (cachedThreadPool == null) { 
            synchronized (ExecutorService.class) { 
                if (cachedThreadPool == null) { 
                    cachedThreadPool = Executors.newFixedThreadPool(Runtime 
                            .getRuntime().availableProcessors() * 2,new DefaultFactory()); 
                } 
            } 
        } 
        return cachedThreadPool.submit(mRunnable); 
    } 
 
    // 关闭 
    public static void shutdown() { 
        if (cachedThreadPool != null && !cachedThreadPool.isShutdown()) 
            cachedThreadPool.shutdown(); 
        cachedThreadPool = null; 
    } 
 
    static class DefaultFactory implements ThreadFactory { 
 
        @Override 
        public Thread newThread(Runnable r) { 
 
            Thread thread = new Thread(new FactoryRunnable(r)); 
 
            return thread; 
        } 
    } 
 
    static class FactoryRunnable implements Runnable { 
        Runnable runnable; 
 
        public FactoryRunnable(Runnable runnable) { 
            this.runnable = runnable; 
        } 
 
        @Override 
        public void run() { 
            Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 
            runnable.run(); 
        } 
 
    } 
 
}