AWS services or capabilities described in AWS Documentation may vary by region/location. Click Getting Started with Amazon AWS to see specific differences applicable to the China (Beijing) Region.
Task runners call
PollForTask to receive a task to perform from AWS Data
Pipeline. The task runner specifies which tasks it can perform by setting a value
workerGroup parameter. The task returned can come from any of
the pipelines that match the
workerGroup value passed in by the task
runner and that was launched using the IAM user credentials specified by the task
If tasks are ready in the work queue,
PollForTask returns a response
immediately. If no tasks are available in the queue,
long-polling and holds on to a poll connection for up to a 90 seconds, during which
time the first newly scheduled task is handed to the task runner. To accomodate this,
set the socket timeout in your task runner to 90 seconds. The task runner should not
PollForTask again on the same
workerGroup until it
receives a response, and this can take up to 90 seconds.
For PCL this operation is only available in asynchronous form. Please refer to PollForTaskAsync.
public virtual PollForTaskResponse PollForTask( PollForTaskRequest request )
Container for the necessary parameters to execute the PollForTask service method.
|InternalServiceErrorException||An internal service error occurred.|
|InvalidRequestException||The request was not valid. Verify that your request was properly formatted, that the signature was generated with the correct credentials, and that you haven't exceeded any of the service limits for your account.|
|TaskNotFoundException||The specified task was not found.|
Supported in: 4.5, 4.0, 3.5
Portable Class Library:
Supported in: Windows Store Apps
Supported in: Windows Phone 8.1
Supported in: Xamarin Android
Supported in: Xamarin iOS (Unified)
Supported in: Xamarin.Forms