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

@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
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;
}
 

private void initializeThreadPool() {
  executor = new ThreadPoolTaskExecutor();
  executor.setCorePoolSize(threadPoolMin);
  executor.setMaxPoolSize(threadPoolMax);
  executor.setKeepAliveSeconds(THREAD_IDLE_LIMIT);
  executor.setThreadNamePrefix(THREAD_NAME_PREFIX);
  executor.initialize();
}
 

@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;
}
 

@Bean
TaskExecutor batchTaskExecutor() {
	ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
	executor.setCorePoolSize(4);
	executor.initialize();
	return executor;
}
 

@Bean
public TaskExecutor taskExecutor() {
	ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
       executor.setCorePoolSize(corePoolSize);
       executor.setMaxPoolSize(maxPoolSize);
       executor.setQueueCapacity(queueCapacity);
       executor.setThreadNamePrefix("MyExecutor-");

       // rejection-policy：当pool已经达到max size的时候，如何处理新任务
       // CALLER_RUNS：不在新线程中执行任务，而是有调用者所在的线程来执行
       executor.setRejectedExecutionHandler(new ThreadPoolExecutor.CallerRunsPolicy());
       executor.initialize();
       return executor;
}
 

/**
 * set ThreadPoolTaskExecutor.
 * 
 * @return
 */
@Bean
public ThreadPoolTaskExecutor transExecutor() {
    ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
    executor.setCorePoolSize(50);
    executor.setMaxPoolSize(100);
    executor.setQueueCapacity(500);
    executor.setKeepAliveSeconds(60);
    executor.setRejectedExecutionHandler(new AbortPolicy());
    executor.setThreadNamePrefix("transExecutor-");
    executor.initialize();
    return executor;
}
 

@Override
public void configureAsyncSupport(AsyncSupportConfigurer configurer) {
    ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
    executor.setCorePoolSize(coreSize>0?coreSize:processors);
    executor.setMaxPoolSize(maxSize>0?maxSize:2*processors);
    executor.setThreadNamePrefix("ProxyAsync");
    executor.setRejectedExecutionHandler(new ThreadPoolExecutor.AbortPolicy());
    executor.initialize();
    configurer.setTaskExecutor(executor);
    configurer.setDefaultTimeout(timeout);
    configurer.registerCallableInterceptors(new TimeoutCallableProcessingInterceptor());
}
 

/**
 * set sdk threadPool.
 *
 * @return
 */
@Bean
public ThreadPoolTaskExecutor sdkThreadPool() {
    ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
    executor.setCorePoolSize(corePoolSize);
    executor.setMaxPoolSize(maxPoolSize);
    executor.setQueueCapacity(queueCapacity);
    executor.setKeepAliveSeconds(keepAlive);
    executor.setRejectedExecutionHandler(new AbortPolicy());
    executor.setThreadNamePrefix("sdkThreadPool-");
    executor.initialize();
    return executor;
}
 

protected SenderSeries createSenderContainer() {
	SenderSeries senders=new ParallelSenders() {
		@Override
		protected TaskExecutor createTaskExecutor() {
			ThreadPoolTaskExecutor taskExecutor = new ThreadPoolTaskExecutor();
			taskExecutor.setCorePoolSize(NUM_SENDERS);
			taskExecutor.initialize();
			return taskExecutor;
		}
	};
	return senders;		
}
 

/**
 * Set up.
 *
 * @throws Exception the exception
 */
@Before
public void setUp() throws Exception {
    uri = new URI("https://my-server.com/path/to/config/config.xml");
    cacheArguments = Mockito.mock(ArgumentDelegates.CacheArguments.class);
    Mockito.when(
        cacheArguments.getCacheDirectory()
    ).thenReturn(temporaryFolder.getRoot());
    targetFile = new File(temporaryFolder.getRoot(), "target");
    cleanUpTaskExecutor = new ThreadPoolTaskExecutor();
    cleanUpTaskExecutor.setCorePoolSize(1);
    cleanUpTaskExecutor.initialize();
}
 

@Bean("asyncExecutor")
public Executor getAsyncExecutor() {
    ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
    executor.setCorePoolSize(configuration.getFlowableJobExecutorCoreThreads());
    executor.setMaxPoolSize(configuration.getFlowableJobExecutorMaxThreads());
    executor.setQueueCapacity(configuration.getFlowableJobExecutorQueueCapacity());
    executor.initialize();
    return executor;
}
 

@Override
@Bean(name = "asyncExecutor")
public Executor getAsyncExecutor() {
    ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
    executor.setCorePoolSize(Runtime.getRuntime().availableProcessors());
    executor.setMaxPoolSize(Runtime.getRuntime().availableProcessors() * 3);
    executor.setQueueCapacity(1024);
    executor.setThreadNamePrefix("ASYNCHRONOUS-ANNOTATION-EXECUTOR-");
    executor.initialize();
    return executor;
}
 

@Bean(name=ASYNC_EXECUTOR_NAME)
public Executor asyncExecutor() {
    ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
    executor.setCorePoolSize(appProps.getConcurrency());
    executor.setMaxPoolSize(appProps.getConcurrency());
    executor.setQueueCapacity(SmsConstant.DEFAULT_EXECUTOR_QUEUE_CAPACITY);
    executor.setWaitForTasksToCompleteOnShutdown(true);
    executor.setThreadNamePrefix("AsyncThread-");
    executor.initialize();
    return executor;
}
 

@Bean
public Executor taskExecutor() {
    ThreadPoolTaskExecutor pool = new ThreadPoolTaskExecutor();
    pool.setThreadNamePrefix("weevent-executor-");
    // run in thread immediately, no blocking queue
    pool.setQueueCapacity(0);
    pool.setDaemon(true);
    pool.initialize();

    log.info("init daemon thread pool");
    return pool;
}
 

@Bean
public ThreadPoolTaskExecutor taskExecutor() {
    ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
    executor.setCorePoolSize(corePoolSize);
    executor.setMaxPoolSize(maxPoolSize);
    executor.setQueueCapacity(queueCapacity);

    executor.initialize();

    return executor;
}
 

@Override
default TaskExecutor get() {
	ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
	executor.setCorePoolSize(4);
	executor.initialize();
	return executor;
}
 

/**
 * @return an Authenticated task executor for event multi casting.
 * @see DataPrepEvents
 */
@Bean(name = "applicationEventMulticaster#executor")
public TaskExecutor dataPrepAsyncTaskExecutor() {
    final ThreadPoolTaskExecutor taskExecutor = new ThreadPoolTaskExecutor();
    taskExecutor.setCorePoolSize(2);
    taskExecutor.setMaxPoolSize(10);
    taskExecutor.setWaitForTasksToCompleteOnShutdown(false);
    taskExecutor.initialize();
    return taskExecutor;
}
 

@Override
public Executor getAsyncExecutor() {
    ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
    executor.setMaxPoolSize(10);
    executor.setCorePoolSize(5);
    executor.initialize();
    return executor;
}
 

@Override
public Executor getAsyncExecutor() {
    ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
    executor.initialize();
    return executor;
}