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

@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;
}
 

@Bean(name = CAMUNDA_TASK_EXECUTOR_QUALIFIER)
@ConditionalOnMissingBean(name = CAMUNDA_TASK_EXECUTOR_QUALIFIER)
@ConditionalOnProperty(prefix = "camunda.bpm.job-execution", name = "enabled", havingValue = "true", matchIfMissing = true)
public static TaskExecutor camundaTaskExecutor(CamundaBpmProperties properties) {
  int corePoolSize = properties.getJobExecution().getCorePoolSize();
  int maxPoolSize = properties.getJobExecution().getMaxPoolSize();
  int queueCapacity = properties.getJobExecution().getQueueCapacity();

  final ThreadPoolTaskExecutor threadPoolTaskExecutor = new ThreadPoolTaskExecutor();

  threadPoolTaskExecutor.setCorePoolSize(corePoolSize);
  threadPoolTaskExecutor.setMaxPoolSize(maxPoolSize);
  threadPoolTaskExecutor.setQueueCapacity(queueCapacity);

  Optional.ofNullable(properties.getJobExecution().getKeepAliveSeconds())
    .ifPresent(threadPoolTaskExecutor::setKeepAliveSeconds);

  LOG.configureJobExecutorPool(corePoolSize, maxPoolSize);
  return threadPoolTaskExecutor;
}
 

/**
 * 异步方法删除redis缓存的线程池
 */
@Bean("redisTaskExecutor")
public Executor taskExecutor() {
    ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
    executor.setCorePoolSize(5);
    executor.setMaxPoolSize(50);
    executor.setQueueCapacity(1000);
    executor.setKeepAliveSeconds(60);
    executor.setThreadNamePrefix("delete-redis-cache-");
    executor.setRejectedExecutionHandler(new ThreadPoolExecutor.CallerRunsPolicy());
    return executor;
}
 

@Override
@Bean(name = "taskExecutor")
public Executor getAsyncExecutor() {
	log.debug("Creating Async Task Executor");
	ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
	executor.setCorePoolSize(taskExecutionProperties.getPool().getCoreSize());
	executor.setMaxPoolSize(taskExecutionProperties.getPool().getMaxSize());
	executor.setQueueCapacity(taskExecutionProperties.getPool().getQueueCapacity());
	executor.setThreadNamePrefix(taskExecutionProperties.getThreadNamePrefix());
	return new ExceptionHandlingAsyncTaskExecutor(executor);
}
 

@Override
@Bean(name = "taskExecutor")
public Executor getAsyncExecutor() {
    log.debug("Creating Async Task Executor");
    ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
    executor.setCorePoolSize(jHipsterProperties.getAsync().getCorePoolSize());
    executor.setMaxPoolSize(jHipsterProperties.getAsync().getMaxPoolSize());
    executor.setQueueCapacity(jHipsterProperties.getAsync().getQueueCapacity());
    executor.setThreadNamePrefix("gateway-Executor-");
    return new ExceptionHandlingAsyncTaskExecutor(executor);
}
 

@Bean(name = "asyncExecutor")
public Executor asyncExecutor() {
  final ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
  executor.setCorePoolSize(3);
  executor.setMaxPoolSize(3);
  executor.setQueueCapacity(100);
  executor.setThreadNamePrefix("AsynchThread-");
  executor.initialize();
  return executor;
}
 

@Bean
public TaskExecutor taskExecutor() {
    final ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
    executor.setCorePoolSize(5);
    executor.setMaxPoolSize(10);
    executor.setQueueCapacity(25);
    return executor;
}
 

/**
 * Handles Async commands from the API.
 */
@Bean(name="stateChangeExecutor")
public ThreadPoolTaskExecutor stateChangeExecutor() {
    ThreadPoolTaskExecutor t = new ThreadPoolTaskExecutor();
    t.setCorePoolSize(8);
    t.setMaxPoolSize(16);
    t.setThreadNamePrefix("StateChange");
    t.setDaemon(false);
    t.setQueueCapacity(1000);
    t.setRejectedExecutionHandler(new ThreadPoolExecutor.CallerRunsPolicy());
    return t;
}
 

@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;
}
 

@Override
@Bean(name = "taskExecutor")
public Executor getAsyncExecutor() {
    log.debug("Creating Async Task Executor");
    ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
    executor.setCorePoolSize(taskExecutionProperties.getPool().getCoreSize());
    executor.setMaxPoolSize(taskExecutionProperties.getPool().getMaxSize());
    executor.setQueueCapacity(taskExecutionProperties.getPool().getQueueCapacity());
    executor.setThreadNamePrefix(taskExecutionProperties.getThreadNamePrefix());
    return new ExceptionHandlingAsyncTaskExecutor(executor);
}
 

@Override
public Executor getAsyncExecutor() {
	ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
	// CUSTOMIZE HERE
	executor.setCorePoolSize(7);
	executor.setMaxPoolSize(42);
	executor.setQueueCapacity(11);
	executor.setThreadNamePrefix("MyExecutor-");
	// DON'T FORGET TO INITIALIZE
	executor.initialize();
	return new LazyTraceExecutor(this.beanFactory, executor);
}
 

@Override
@Bean(name = "taskExecutor")
public Executor getAsyncExecutor() {
    log.debug("Creating Async Task Executor");
    ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
    executor.setCorePoolSize(jHipsterProperties.getAsync().getCorePoolSize());
    executor.setMaxPoolSize(jHipsterProperties.getAsync().getMaxPoolSize());
    executor.setQueueCapacity(jHipsterProperties.getAsync().getQueueCapacity());
    executor.setThreadNamePrefix("gateway-Executor-");
    return new ExceptionHandlingAsyncTaskExecutor(executor);
}
 

@Override
@Bean(name = "taskExecutor")
public Executor getAsyncExecutor() {
    log.debug("Creating Async Task Executor");
    ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
    executor.setCorePoolSize(jHipsterProperties.getAsync().getCorePoolSize());
    executor.setMaxPoolSize(jHipsterProperties.getAsync().getMaxPoolSize());
    executor.setQueueCapacity(jHipsterProperties.getAsync().getQueueCapacity());
    executor.setThreadNamePrefix("uaa-Executor-");
    return new ExceptionHandlingAsyncTaskExecutor(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
@Bean
public Executor getAsyncExecutor() {
    log.debug("Creating Async Task Executor");
    ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
    executor.setCorePoolSize(propertyResolver.getProperty("corePoolSize", Integer.class, 2));
    executor.setMaxPoolSize(propertyResolver.getProperty("maxPoolSize", Integer.class, 50));
    executor.setQueueCapacity(propertyResolver.getProperty("queueCapacity", Integer.class, 10000));
    executor.setThreadNamePrefix("editor-Executor-");
    return new ExceptionHandlingAsyncTaskExecutor(executor);
}
 

@Bean(BEAN_MVC_EXECUTOR)
public ThreadPoolTaskExecutor mvcTaskExecutor(ScmProperties config) {
	ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
	executor.setCorePoolSize(config.getCorePoolSize());
	executor.setQueueCapacity(config.getQueueCapacity());
	executor.setMaxPoolSize(config.getMaxPoolSize());
	return executor;
}
 

@Override
@Bean(name = "taskExecutor")
public Executor getAsyncExecutor() {
    log.debug("Creating Async Task Executor");
    ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
    executor.setCorePoolSize(taskExecutionProperties.getPool().getCoreSize());
    executor.setMaxPoolSize(taskExecutionProperties.getPool().getMaxSize());
    executor.setQueueCapacity(taskExecutionProperties.getPool().getQueueCapacity());
    executor.setThreadNamePrefix(taskExecutionProperties.getThreadNamePrefix());
    return new ExceptionHandlingAsyncTaskExecutor(executor);
}
 

@Override
@Bean(name = "taskExecutor")
public Executor getAsyncExecutor() {
    log.debug("Creating Async Task Executor");
    ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
    executor.setCorePoolSize(jHipsterProperties.getAsync().getCorePoolSize());
    executor.setMaxPoolSize(jHipsterProperties.getAsync().getMaxPoolSize());
    executor.setQueueCapacity(jHipsterProperties.getAsync().getQueueCapacity());
    executor.setThreadNamePrefix("invoice-Executor-");
    return new ExceptionHandlingAsyncTaskExecutor(executor);
}
 

@Override
@Bean(name = "taskExecutor")
public Executor getAsyncExecutor() {
    log.debug("Creating Async Task Executor");
    ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
    executor.setCorePoolSize(jHipsterProperties.getAsync().getCorePoolSize());
    executor.setMaxPoolSize(jHipsterProperties.getAsync().getMaxPoolSize());
    executor.setQueueCapacity(jHipsterProperties.getAsync().getQueueCapacity());
    executor.setThreadNamePrefix("foo-Executor-");
    return new ExceptionHandlingAsyncTaskExecutor(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;
}