Called when there is new data to deliver to the client. The super class will take care of delivering it; the implementation here just adds a little more logic.
This is where the bulk of our work is done. This function is called in a background thread and should generate a new set of data to be published by the loader.
Handles a request to cancel a load.
Helper function to take care of releasing resources associated with an actively loaded data set.
Handles a request to completely reset the Loader.
Handles a request to start the Loader.
Handles a request to stop the Loader.