public override ChangeFeedProcessorBuilder CreateChangeFeedProcessorBuilder <T>(
string workflowName,
Func <IReadOnlyCollection <T>, CancellationToken, Task> onChangesDelegate)
{
if (workflowName == null)
{
throw new ArgumentNullException(nameof(workflowName));
}
if (onChangesDelegate == null)
{
throw new ArgumentNullException(nameof(onChangesDelegate));
}
ChangeFeedObserverFactoryCore <T> observerFactory = new ChangeFeedObserverFactoryCore <T>(onChangesDelegate);
ChangeFeedProcessorCore <T> changeFeedProcessor = new ChangeFeedProcessorCore <T>(observerFactory);
return(new ChangeFeedProcessorBuilder(
workflowName: workflowName,
cosmosContainer: this,
changeFeedProcessor: changeFeedProcessor,
applyBuilderConfiguration: changeFeedProcessor.ApplyBuildConfiguration));
}
public async Task WhenDelegateIsStream_Manual()
{
ResponseMessage responseMessage = this.BuildResponseMessage();
bool executed = false;
Task changesHandler(ChangeFeedProcessorContext context, Stream stream, Func <Task> checkpointAsync, CancellationToken token)
{
Assert.ReferenceEquals(responseMessage.Content, stream);
executed = true;
return(Task.CompletedTask);
}
ChangeFeedObserverFactoryCore changeFeedObserverFactoryCore = new ChangeFeedObserverFactoryCore(changesHandler);
ChangeFeedObserver changeFeedObserver = changeFeedObserverFactoryCore.CreateObserver();
Assert.IsNotNull(changeFeedObserver);
ChangeFeedObserverContextCore context = new ChangeFeedObserverContextCore(this.leaseToken, responseMessage, Mock.Of <PartitionCheckpointer>());
await changeFeedObserver.ProcessChangesAsync(context, responseMessage.Content, CancellationToken.None);
Assert.IsTrue(executed);
}
