public override async Task <ResponseMessage> ReadNextAsync(ITrace trace, CancellationToken cancellationToken = default)
{
ResponseMessage responseMessage = await this.clientContext.ProcessResourceOperationStreamAsync(
cosmosContainerCore : this.container,
resourceUri : this.container.LinkUri,
resourceType : ResourceType.Document,
operationType : OperationType.ReadFeed,
requestOptions : this.changeFeedOptions,
requestEnricher : (requestMessage) =>
{
// Set time headers if any
ChangeFeedStartFromRequestOptionPopulator visitor = new ChangeFeedStartFromRequestOptionPopulator(requestMessage);
this.changeFeedStartFrom.Accept(visitor);
if (this.changeFeedOptions.PageSizeHint.HasValue)
{
requestMessage.Headers.Add(
HttpConstants.HttpHeaders.PageSize,
this.changeFeedOptions.PageSizeHint.Value.ToString(CultureInfo.InvariantCulture));
}
requestMessage.Headers.Add(
HttpConstants.HttpHeaders.A_IM,
HttpConstants.A_IMHeaderValues.IncrementalFeed);
},
feedRange : this.changeFeedStartFrom.FeedRange,
streamPayload : default,
/// <summary>
/// Get the next set of results from the cosmos service
/// </summary>
/// <param name="cancellationToken">(Optional) <see cref="CancellationToken"/> representing request cancellation.</param>
/// <returns>A change feed response from cosmos service</returns>
public override async Task <ResponseMessage> ReadNextAsync(CancellationToken cancellationToken = default(CancellationToken))
{
ResponseMessage responseMessage = await this.clientContext.ProcessResourceOperationStreamAsync(
cosmosContainerCore : this.container,
resourceUri : this.container.LinkUri,
resourceType : Documents.ResourceType.Document,
operationType : Documents.OperationType.ReadFeed,
requestOptions : this.changeFeedOptions,
requestEnricher : (requestMessage) =>
{
ChangeFeedStartFromRequestOptionPopulator visitor = new ChangeFeedStartFromRequestOptionPopulator(requestMessage);
this.changeFeedStartFrom.Accept(visitor);
},
partitionKey : default,
public override async Task <ResponseMessage> ReadNextAsync(ITrace trace, CancellationToken cancellationToken = default)
{
ResponseMessage responseMessage = await this.clientContext.ProcessResourceOperationStreamAsync(
cosmosContainerCore : this.container,
resourceUri : this.container.LinkUri,
resourceType : ResourceType.Document,
operationType : OperationType.ReadFeed,
requestOptions : this.changeFeedOptions,
requestEnricher : (requestMessage) =>
{
// Set time headers if any
ChangeFeedStartFromRequestOptionPopulator visitor = new ChangeFeedStartFromRequestOptionPopulator(requestMessage);
this.changeFeedStartFrom.Accept(visitor);
},
feedRange : this.changeFeedStartFrom.FeedRange,
streamPayload : default,
private async Task <ResponseMessage> ReadNextInternalAsync(
CosmosDiagnosticsContext diagnosticsScope,
CancellationToken cancellationToken)
{
cancellationToken.ThrowIfCancellationRequested();
ResponseMessage responseMessage = await this.clientContext.ProcessResourceOperationStreamAsync(
resourceUri : this.container.LinkUri,
resourceType : ResourceType.Document,
operationType : OperationType.ReadFeed,
requestOptions : this.changeFeedOptions,
cosmosContainerCore : this.container,
requestEnricher : (request) =>
{
ChangeFeedStartFromRequestOptionPopulator visitor = new ChangeFeedStartFromRequestOptionPopulator(request);
this.changeFeedStartFrom.Accept(visitor);
},
partitionKey : default,
internal virtual Task <ResponseMessage> NextResultSetDelegateAsync(
ChangeFeedRequestOptions options,
CancellationToken cancellationToken)
{
string resourceUri = this.container.LinkUri;
return(this.clientContext.ProcessResourceOperationAsync <ResponseMessage>(
resourceUri: resourceUri,
resourceType: Documents.ResourceType.Document,
operationType: Documents.OperationType.ReadFeed,
requestOptions: options,
containerInternal: this.container,
requestEnricher: (request) =>
{
ChangeFeedStartFromRequestOptionPopulator visitor = new ChangeFeedStartFromRequestOptionPopulator(request);
this.changeFeedStartFrom.Accept(visitor);
},
responseCreator: response => response,
partitionKey: default,
