Java Code Examples for org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor#setAwaitTerminationSeconds()

@Override
public Executor getAsyncExecutor() {
    ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
    executor.setThreadNamePrefix("SeedExecutor-");
    executor.setMaxPoolSize(this.maxPoolSize);     //线程池最大数量
    executor.setCorePoolSize(this.corePoolSize);   //线程池最小数量
    executor.setQueueCapacity(this.queueCapacity); //队列大小（最小的线程数被占满后，新任务会放进queue）
    executor.setAwaitTerminationSeconds(60 * 15);
    executor.setWaitForTasksToCompleteOnShutdown(true);
    ////饱和策略：自定义
    //executor.setRejectedExecutionHandler(new RejectedExecutionHandler() {
    //    @Override
    //    public void rejectedExecution(Runnable r, ThreadPoolExecutor executor) {
    //        //---------
    //    }
    //});
    //饱和策略：队列满时，使用预定义的异常处理类
    //ABORT（缺省）  ：不执行，并抛TaskRejectedException异常
    //DISCARD       ：不执行，也不抛异常，直接丢弃任务
    //DISCARD_OLDEST：丢弃queue中最旧的那个任务，并执行当期任务
    //CALLER_RUNS   ：不在新线程中执行任务，而是由调用者所在的线程来执行
    executor.setRejectedExecutionHandler(new ThreadPoolExecutor.CallerRunsPolicy());
    executor.initialize();
    return executor;
}
 

/**
 * 自定义配置ThreadPoolTaskExecutor
 *
 * @param taskExecutor     ThreadPoolTaskExecutor
 * @param prefix           前辍
 * @param corePoolSize     核心池大小
 * @param maxPoolSize      最大线程池数
 * @param queueCapacity    队列容量
 * @param keepAliveSeconds 线程保存存活时间
 */
public static void configTaskExecutor(ThreadPoolTaskExecutor taskExecutor, String prefix, int corePoolSize, int maxPoolSize, int queueCapacity, int keepAliveSeconds) {
    // 线程池维护线程的最少数量
    taskExecutor.setCorePoolSize(corePoolSize);
    // 线程池维护线程的最大数量
    taskExecutor.setMaxPoolSize(maxPoolSize);
    // 线程池所使用的缓冲队列
    taskExecutor.setQueueCapacity(queueCapacity);
    // 线程池维护线程所允许的空闲时间
    taskExecutor.setKeepAliveSeconds(keepAliveSeconds);
    // 调度器shutdown被调用时等待当前被调度的任务完成
    taskExecutor.setWaitForTasksToCompleteOnShutdown(true);
    // 等待时长
    taskExecutor.setAwaitTerminationSeconds(60);
    taskExecutor.setThreadNamePrefix(prefix);
    // 线程池对拒绝任务（无线程可用）的处理策略，目前只支持AbortPolicy、CallerRunsPolicy，默认为后者
    taskExecutor.setRejectedExecutionHandler(new ThreadPoolExecutor.CallerRunsPolicy());
    taskExecutor.setTaskDecorator(new RequestContextDecorator());
    taskExecutor.initialize();
}
 

@Bean(name = "taskExecutor")
public Executor taskExecutor() {
    ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
    // 核心线程数
    executor.setCorePoolSize(10);
    // 最大线程数
    executor.setMaxPoolSize(20);
    // 缓存队列
    executor.setQueueCapacity(200);
    // 允许线程的空闲时间60秒
    executor.setKeepAliveSeconds(60);
    // 线程池名的前缀
    executor.setThreadNamePrefix("taskExecutor-");
    // 线程池对拒绝任务的处理策略
    executor.setRejectedExecutionHandler(new ThreadPoolExecutor.CallerRunsPolicy());
    // 设置线程池关闭的时候等待所有任务都完成再继续销毁其他的Bean
    executor.setWaitForTasksToCompleteOnShutdown(true);
    // 设置线程池中任务的等待时间，如果超过这个时候还没有销毁就强制销毁，以确保应用最后能够被关闭
    executor.setAwaitTerminationSeconds(60);
    return executor;
}
 

@ConditionalOnProperty(prefix = "async.executor", name = "enabled", matchIfMissing = true)
@Bean(name = DEFAULT_TASK_EXECUTOR_BEAN_NAME, destroyMethod = "shutdown")
@Role(BeanDefinition.ROLE_INFRASTRUCTURE)
public ThreadPoolTaskExecutor threadPoolTaskExecutor(AsyncExecutorProperties properties) {
    log.info("Creating ThreadPoolTaskExecutor 'taskExecutor' with core-size={} max-size={} queue-capacity={}",
            properties.getCorePoolSize(), properties.getMaxPoolSize(), properties.getQueueCapacity());

    ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
    executor.setCorePoolSize(properties.getCorePoolSize());
    executor.setMaxPoolSize(properties.getMaxPoolSize());

    executor.setQueueCapacity(properties.getQueueCapacity());
    executor.setThreadNamePrefix(properties.getThreadNamePrefix());
    executor.setAwaitTerminationSeconds(properties.getAwaitTerminationSeconds());

    executor.setRejectedExecutionHandler(new ThreadPoolExecutor.DiscardOldestPolicy());

    executor.afterPropertiesSet();
    return executor;
}
 

@Override
public Executor getAsyncExecutor() {
    ThreadPoolTaskExecutor taskExecutor = new ThreadPoolTaskExecutor();
    taskExecutor.setCorePoolSize(2);
    taskExecutor.setQueueCapacity(25);//如果任务数大于corePoolSize则放到Queue中，queue只能存放25个阻塞的任务
    //如果需要执行的任务数大于corePoolSize+QueueCapacity则会创建(maxPoolSize-corePoolSize)个线程来继续执行任务
    taskExecutor.setMaxPoolSize(20);
    //如果大于需要执行的任务数大于maxPoolSize+QueueCapacity,
    // 则会根据RejectedExecutionHandler策略来决定怎么处理这些超出上面配置的任务
    //此处使用CallerRunsPolicy：会通过new 一个Thread的方式来执行这些任务
    taskExecutor.setRejectedExecutionHandler(new ThreadPoolExecutor.CallerRunsPolicy());
    taskExecutor.setKeepAliveSeconds(60);//实际工作的线程数大于corePoolSize时，如果60s没有被使用则销毁

    taskExecutor.setWaitForTasksToCompleteOnShutdown(true);//线程池会等任务完成后才会关闭
    taskExecutor.setAwaitTerminationSeconds(60);//如果60s后线程仍未关闭，则关闭线程池
    taskExecutor.setThreadNamePrefix("ThreadPoolTaskExecutor-");//实际显示为： [lTaskExecutor-1] c.t.learning.thread.AsyncTaskService     :
    taskExecutor.initialize();
    return taskExecutor;
}
 

@Bean("MyExecutor")
public Executor taskExecutor() {
	ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
	//核心线程数、最大线程数、任务队列数
	executor.setCorePoolSize(10);
	executor.setMaxPoolSize(20);
	executor.setQueueCapacity(200);
	executor.setKeepAliveSeconds(60);
	executor.setThreadNamePrefix("taskExecutor-");
	//设置线程池关闭的时候等待所有任务都完成再继续销毁其他的Bean
	executor.setWaitForTasksToCompleteOnShutdown(true);
	//设置线程池中任务的等待时间，如果超过这个时候还没有销毁就强制销毁，以确保应用最后能够被关闭，而不是阻塞住。
    executor.setAwaitTerminationSeconds(60);
	executor.setRejectedExecutionHandler(new ThreadPoolExecutor.CallerRunsPolicy());
	return executor;
}
 

@Bean("MyExecutor")
public Executor taskExecutor() {
	ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
	//核心线程数、最大线程数、任务队列数
	executor.setCorePoolSize(10);
	executor.setMaxPoolSize(20);
	executor.setQueueCapacity(200);
	executor.setKeepAliveSeconds(60);
	executor.setThreadNamePrefix("taskExecutor-");
	//设置线程池关闭的时候等待所有任务都完成再继续销毁其他的Bean
	executor.setWaitForTasksToCompleteOnShutdown(true);
	//设置线程池中任务的等待时间，如果超过这个时候还没有销毁就强制销毁，以确保应用最后能够被关闭，而不是阻塞住。
    executor.setAwaitTerminationSeconds(60);
	executor.setRejectedExecutionHandler(new ThreadPoolExecutor.CallerRunsPolicy());
	return executor;
}
 

@Bean
public ThreadPoolTaskExecutor asyncThreadPoolTaskExecutor(){
    ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
    executor.setCorePoolSize(20);
    executor.setMaxPoolSize(200);
    executor.setQueueCapacity(25);
    executor.setKeepAliveSeconds(200);
    executor.setThreadNamePrefix("asyncThread");
    executor.setWaitForTasksToCompleteOnShutdown(true);
    executor.setAwaitTerminationSeconds(60);

    executor.setRejectedExecutionHandler(new ThreadPoolExecutor.CallerRunsPolicy());

    executor.initialize();
    return executor;
}
 

@Bean
public AsyncTaskExecutor resourceBuilderExecutor() {
    ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
    executor.setCorePoolSize(corePoolSize);
    executor.setQueueCapacity(queueCapacity);
    executor.setThreadNamePrefix("resourceBuilderExecutor-");
    executor.setTaskDecorator(new MDCCleanerTaskDecorator());
    executor.setWaitForTasksToCompleteOnShutdown(true);
    executor.setAwaitTerminationSeconds(AWAIT_TERMINATION_SECONDS);
    executor.initialize();
    return executor;
}
 

@Bean
public AsyncTaskExecutor intermediateBuilderExecutor() {
    ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
    executor.setCorePoolSize(intermediateCorePoolSize);
    executor.setQueueCapacity(intermediateQueueCapacity);
    executor.setThreadNamePrefix("intermediateBuilderExecutor-");
    executor.setTaskDecorator(new MDCCleanerTaskDecorator());
    executor.setWaitForTasksToCompleteOnShutdown(true);
    executor.setAwaitTerminationSeconds(AWAIT_TERMINATION_SECONDS);
    executor.initialize();
    return executor;
}
 

@Bean
@ConditionalOnMissingBean
public TaskExecutor taskExecutor() {
    ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
    executor.setCorePoolSize(8);
    executor.setMaxPoolSize(8);
    executor.setQueueCapacity(100);
    executor.setThreadNamePrefix("flowable-task-Executor-");
    executor.setAwaitTerminationSeconds(30);
    executor.setWaitForTasksToCompleteOnShutdown(true);
    executor.setAllowCoreThreadTimeOut(true);
    executor.initialize();
    return executor;
}
 

@Override
public Executor getAsyncExecutor() {
    ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
    executor.setCorePoolSize(10);
    executor.setMaxPoolSize(100);
    executor.setQueueCapacity(100);
    executor.setWaitForTasksToCompleteOnShutdown(true);
    executor.setAwaitTerminationSeconds(60 * 10);
    executor.setThreadNamePrefix("AsyncThread-");
    executor.initialize(); //如果不初始化，导致找到不到执行器
    return executor;
}
 

@Bean("taskExecutor")
    public Executor taskExecutor() {
        ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
        executor.setCorePoolSize(100);
        executor.setMaxPoolSize(400);
        executor.setQueueCapacity(400);
        executor.setKeepAliveSeconds(60);
        executor.setWaitForTasksToCompleteOnShutdown(true);
        executor.setAwaitTerminationSeconds(60);
        executor.setThreadNamePrefix("taskExecutor-");
        executor.setRejectedExecutionHandler(new ThreadPoolExecutor.DiscardPolicy());
//        executor.setTaskDecorator(new GrayTaskDecorator());
        return executor;
    }
 

@Bean("myThreadPool")
public ThreadPoolTaskExecutor threadPoolTaskExecutor(){
    ThreadPoolTaskExecutor threadPool = new ThreadPoolTaskExecutor();
    threadPool.setCorePoolSize(1);
    threadPool.setMaxPoolSize(1);
    threadPool.setKeepAliveSeconds(30);
    threadPool.setQueueCapacity(1000);
    threadPool.setAllowCoreThreadTimeOut(true);
    threadPool.setAwaitTerminationSeconds(10);
    // 丢弃任务，不抛出异常
    threadPool.setRejectedExecutionHandler(new ThreadPoolExecutor.DiscardPolicy());
    threadPool.initialize();
    return threadPool;
}
 

@Bean("taskExecutor")
public Executor taskExecutor() {
    log.info("Begin to init taskExecutor");
    ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
    executor.setCorePoolSize(8);
    executor.setMaxPoolSize(8);
    executor.setQueueCapacity(0);
    executor.setKeepAliveSeconds(60);
    executor.setThreadNamePrefix("taskExecutor-");
    executor.setRejectedExecutionHandler(new ThreadPoolExecutor.CallerRunsPolicy());
    executor.setWaitForTasksToCompleteOnShutdown(true);
    executor.setAwaitTerminationSeconds(60);
    executor.initialize();
    return executor;
}
 

@Bean(FebsConstant.ASYNC_POOL)
public ThreadPoolTaskExecutor asyncThreadPoolTaskExecutor() {
    ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
    executor.setCorePoolSize(5);
    executor.setMaxPoolSize(20);
    executor.setQueueCapacity(100);
    executor.setKeepAliveSeconds(30);
    executor.setThreadNamePrefix("Febs-Gateway-Async-Thread");
    executor.setWaitForTasksToCompleteOnShutdown(true);
    executor.setAwaitTerminationSeconds(60);
    executor.setRejectedExecutionHandler(new ThreadPoolExecutor.CallerRunsPolicy());
    executor.initialize();
    return executor;
}
 

/**
 * 注册异步线程池
 */
@Bean(FebsConstant.ASYNC_POOL)
public ThreadPoolTaskExecutor asyncThreadPoolTaskExecutor() {
    ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
    executor.setCorePoolSize(5);
    executor.setMaxPoolSize(20);
    executor.setQueueCapacity(100);
    executor.setKeepAliveSeconds(30);
    executor.setThreadNamePrefix("Febs-Async-Thread");
    executor.setWaitForTasksToCompleteOnShutdown(true);
    executor.setAwaitTerminationSeconds(60);
    executor.setRejectedExecutionHandler(new ThreadPoolExecutor.CallerRunsPolicy());
    executor.initialize();
    return executor;
}
 

@Bean
public ThreadPoolTaskExecutor scheduleJobExecutorService() {
    ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
    executor.setCorePoolSize(5);
    executor.setMaxPoolSize(10);
    executor.setQueueCapacity(20);
    executor.setKeepAliveSeconds(30);
    executor.setThreadNamePrefix("Febs-Job-Thread");
    executor.setWaitForTasksToCompleteOnShutdown(true);
    executor.setAwaitTerminationSeconds(60);
    executor.setRejectedExecutionHandler(new ThreadPoolExecutor.CallerRunsPolicy());
    executor.initialize();
    return executor;
}
 

@Override
public Executor getAsyncExecutor() {
	ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();

	if (this.properties.getCorePoolSize() != null) {
		executor.setCorePoolSize(this.properties.getCorePoolSize());
	}

	if (this.properties.getMaxPoolSize() != null) {
		executor.setMaxPoolSize(this.properties.getMaxPoolSize());
	}

	if (this.properties.getQueueCapacity() != null) {
		executor.setQueueCapacity(this.properties.getQueueCapacity());
	}

	if (this.properties.getThreadNamePrefix() != null) {
		executor.setThreadNamePrefix(this.properties.getThreadNamePrefix());
	}

	if (this.properties.getAllowCoreThreadTimeOut() != null) {
		executor.setAllowCoreThreadTimeOut(
				this.properties.getAllowCoreThreadTimeOut());
	}

	if (this.properties.getWaitForTasksToCompleteOnShutdown() != null) {
		executor.setWaitForTasksToCompleteOnShutdown(
				this.properties.getWaitForTasksToCompleteOnShutdown());
	}

	if (this.properties.getAwaitTerminationSeconds() != null) {
		executor.setAwaitTerminationSeconds(
				this.properties.getAwaitTerminationSeconds());
	}

	if (this.properties.getKeepAliveSeconds() != null) {
		executor.setKeepAliveSeconds(this.properties.getKeepAliveSeconds());
	}

	executor.initialize();
	return executor;
}