Container.ChangeFeedHandlerWithManualCheckpoint<T> Delegate
Definition
Important
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Delegate to receive the changes within a ChangeFeedProcessor execution with manual checkpoint.
public delegate System.Threading.Tasks.Task Container.ChangeFeedHandlerWithManualCheckpoint<T>(ChangeFeedProcessorContext context, IReadOnlyCollection<T> changes, Func<Task> checkpointAsync, CancellationToken cancellationToken);
type Container.ChangeFeedHandlerWithManualCheckpoint<'T> = delegate of ChangeFeedProcessorContext * IReadOnlyCollection<'T> * Func<Task> * CancellationToken -> Task
Public Delegate Function Container.ChangeFeedHandlerWithManualCheckpoint(Of T)(context As ChangeFeedProcessorContext, changes As IReadOnlyCollection(Of T), checkpointAsync As Func(Of Task), cancellationToken As CancellationToken) As Task
Type Parameters
- T
Parameters
- context
- ChangeFeedProcessorContext
The context related to the changes.
- changes
- IReadOnlyCollection<T>
The changes that happened.
A task representing an asynchronous checkpoint on the progress of a lease.
- cancellationToken
- CancellationToken
A cancellation token representing the current cancellation status of the ChangeFeedProcessor instance.
Return Value
A Task representing the asynchronous operation that is going to be done with the changes.
Examples
(ChangeFeedProcessorContext context, IReadOnlyCollection<T> changes, Func<Task> checkpointAsync, CancellationToken cancellationToken) =>
{
// consume changes
// On certain condition, we can checkpoint
await checkpointAsync();
}