com.amazonaws.services.simpleworkflow.flow.worker
Class ActivityTaskPoller

java.lang.Object
  com.amazonaws.services.simpleworkflow.flow.worker.SynchronousActivityTaskPoller
      com.amazonaws.services.simpleworkflow.flow.worker.ActivityTaskPoller

All Implemented Interfaces:

TaskPoller

public class ActivityTaskPoller
extends SynchronousActivityTaskPoller

Field Summary

protected Semaphore

pollSemaphore

Constructor Summary

ActivityTaskPoller(AmazonSimpleWorkflow service, String domain, String pollTaskList, ActivityImplementationFactory activityImplementationFactory, ThreadPoolExecutor taskExecutorService)

Method Summary

boolean	awaitTermination(long timeout, TimeUnit unit)
ExecutorService	getTaskExecutorService()
boolean	pollAndProcessSingleTask() Poll for a activity task and execute correspondent implementation using provided executor service.
void	setTaskExecutorService(ThreadPoolExecutor taskExecutorService)
void	shutdown()
void	shutdownNow()

Methods inherited from class com.amazonaws.services.simpleworkflow.flow.worker.SynchronousActivityTaskPoller

checkRequiredProperty, execute, getActivityImplementationFactory, getDomain, getIdentity, getPollTaskList, getReportCompletionRetryParameters, getReportFailureRetryParameters, getService, getTaskListToPoll, poll, respondActivityTaskCanceled, respondActivityTaskCanceledWithRetry, respondActivityTaskCompleted, respondActivityTaskCompletedWithRetry, respondActivityTaskFailed, respondActivityTaskFailedWithRetry, setActivityImplementationFactory, setDomain, setIdentity, setReportCompletionRetryParameters, setReportFailureRetryParameters, setService, setTaskListToPoll

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

pollSemaphore

protected Semaphore pollSemaphore

Constructor Detail

ActivityTaskPoller

public ActivityTaskPoller(AmazonSimpleWorkflow service,
                          String domain,
                          String pollTaskList,
                          ActivityImplementationFactory activityImplementationFactory,
                          ThreadPoolExecutor taskExecutorService)

Method Detail

getTaskExecutorService

public ExecutorService getTaskExecutorService()

setTaskExecutorService

public void setTaskExecutorService(ThreadPoolExecutor taskExecutorService)

pollAndProcessSingleTask

public boolean pollAndProcessSingleTask()
                                 throws Exception

Poll for a activity task and execute correspondent implementation using provided executor service.

Specified by:

pollAndProcessSingleTask in interface TaskPoller

Overrides:

pollAndProcessSingleTask in class SynchronousActivityTaskPoller

Returns:

true if task was polled and decided upon, false if poll timed out

Throws:

Exception

shutdown

public void shutdown()

Specified by:

shutdown in interface TaskPoller

Overrides:

shutdown in class SynchronousActivityTaskPoller

shutdownNow

public void shutdownNow()

Specified by:

shutdownNow in interface TaskPoller

Overrides:

shutdownNow in class SynchronousActivityTaskPoller

awaitTermination

public boolean awaitTermination(long timeout,
                                TimeUnit unit)
                         throws InterruptedException

Specified by:

awaitTermination in interface TaskPoller

Overrides:

awaitTermination in class SynchronousActivityTaskPoller

Throws:

InterruptedException