Package com.sportradar.livedata.sdk.common.thread

Class SRScheduledThreadPoolExecutor

    • Constructor Detail

      • SRScheduledThreadPoolExecutor

        public SRScheduledThreadPoolExecutor​(int corePoolSize)
        Creates a new ScheduledThreadPoolExecutor with the given core pool size.
        Parameters:
        corePoolSize - the number of threads to keep in the pool, even if they are idle, unless allowCoreThreadTimeOut is set
        Throws:
        IllegalArgumentException - if corePoolSize < 0

      • SRScheduledThreadPoolExecutor

        public SRScheduledThreadPoolExecutor​(int corePoolSize,
                                     RejectedExecutionHandler handler)
        Creates a new ScheduledThreadPoolExecutor with the given initial parameters.
        Parameters:
        corePoolSize - the number of threads to keep in the pool, even if they are idle, unless allowCoreThreadTimeOut is set
        handler - the handler to use when execution is blocked because the thread bounds and queue capacities are reached
        Throws:
        IllegalArgumentException - if corePoolSize < 0
        NullPointerException - if handler is null

      • SRScheduledThreadPoolExecutor

        public SRScheduledThreadPoolExecutor​(int corePoolSize,
                                     ThreadFactory threadFactory)
        Creates a new ScheduledThreadPoolExecutor with the given initial parameters.
        Parameters:
        corePoolSize - the number of threads to keep in the pool, even if they are idle, unless allowCoreThreadTimeOut is set
        threadFactory - the factory to use when the executor creates a new thread
        Throws:
        IllegalArgumentException - if corePoolSize < 0
        NullPointerException - if threadFactory is null

      • SRScheduledThreadPoolExecutor

        public SRScheduledThreadPoolExecutor​(int corePoolSize,
                                     ThreadFactory threadFactory,
                                     RejectedExecutionHandler handler)
        Creates a new ScheduledThreadPoolExecutor with the given initial parameters.
        Parameters:
        corePoolSize - the number of threads to keep in the pool, even if they are idle, unless allowCoreThreadTimeOut is set
        threadFactory - the factory to use when the executor creates a new thread
        handler - the handler to use when execution is blocked because the thread bounds and queue capacities are reached
        Throws:
        IllegalArgumentException - if corePoolSize < 0
        NullPointerException - if threadFactory or handler is null

    • Method Detail

      • afterExecute

        protected void afterExecute​(Runnable r,
                            Throwable t)

        Method invoked upon completion of execution of the given Runnable. This method is invoked by the thread that executed the task. If non-null, the Throwable is the uncaught RuntimeException or Error that caused execution to terminate abruptly.

        This implementation does nothing, but may be customized in subclasses. Note: To properly nest multiple overridings, subclasses should generally invoke super.afterExecute at the beginning of this method.

        Note: When actions are enclosed in tasks (such as FutureTask) either explicitly or via methods such as submit, these task objects catch and maintain computational exceptions, and so they do not cause abrupt termination, and the internal exceptions are not passed to this method. If you would like to trap both kinds of failures in this method, you can further probe for such cases, as in this sample subclass that prints either the direct cause or the underlying exception if a task has been aborted: 

         
 class ExtendedExecutor extends ThreadPoolExecutor {
   // ...
   protected void afterExecute(Runnable r, Throwable t) {
     super.afterExecute(r, t);
     if (t == null && r instanceof Future<?>) {
       try {
         Object result = ((Future<?>) r).get();
       } catch (CancellationException ce) {
           t = ce;
       } catch (ExecutionException ee) {
           t = ee.getCause();
       } catch (InterruptedException ie) {
           Thread.currentThread().interrupt(); // ignore/reset
       }
     }
     if (t != null)
       System.out.println(t);
   }
 }
        Overrides:
        afterExecute in class ThreadPoolExecutor
        Parameters:
        r - the runnable that has completed
        t - the exception that caused termination, or null if execution completed normally