Container.ChangeFeedHandlerWithManualCheckpoint<T> Delegate

Definition

Namespace:

Microsoft.Azure.Cosmos

Assembly:

Microsoft.Azure.Cosmos.Client.dll

Package:

Microsoft.Azure.Cosmos v3.39.0

Source:

Container.cs

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.

checkpointAsync

Func<Task>

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

Task

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();
}