Schedulers are used to schedule callbacks asynchronously.
Inheritance
builtins.object > Scheduler
Properties
queue
Queue: A concurrency-safe queue specific to the underlying
concurrency implementation.
This queue is used to send messages back to the scheduling actor.
Methods
schedule
schedule(callback,*args,**kwargs)
Schedule the callback to be called asynchronously.
Parameter
Name
Description
callback
Callable
The function to call.
shutdown
shutdown(await_msg_callbacks=False)
Shuts down the scheduler and immediately end all pending callbacks.
Parameter
Name
Description
await_msg_callbacks
bool
If True, the method will block until all currently executing callbacks are done processing. If False (default), the method will not wait for the currently running callbacks to complete.
Returns
Type
Description
List[pubsub_v1.subscriber.message.Message]
The messages submitted to the scheduler that were not yet dispatched to their callbacks. It is assumed that each message was submitted to the scheduler as the first positional argument to the provided callback.
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