private async Task <ContainerProperties> ReadCollectionAsync(string collectionLink,
IDocumentClientRetryPolicy retryPolicyInstance,
ITrace trace,
IClientSideRequestStatistics clientSideRequestStatistics,
CancellationToken cancellationToken)
{
using (ITrace childTrace = trace.StartChild("Read Collection", TraceComponent.Transport, TraceLevel.Info))
{
cancellationToken.ThrowIfCancellationRequested();
using (DocumentServiceRequest request = DocumentServiceRequest.Create(
OperationType.Read,
ResourceType.Collection,
collectionLink,
AuthorizationTokenType.PrimaryMasterKey,
new StoreRequestNameValueCollection()))
{
request.Headers[HttpConstants.HttpHeaders.XDate] = DateTime.UtcNow.ToString("r");
request.RequestContext.ClientRequestStatistics = clientSideRequestStatistics ?? new ClientSideRequestStatisticsTraceDatum(DateTime.UtcNow);
if (clientSideRequestStatistics == null)
{
childTrace.AddDatum("Client Side Request Stats", request.RequestContext.ClientRequestStatistics);
}
string authorizationToken = await this.tokenProvider.GetUserAuthorizationTokenAsync(
request.ResourceAddress,
PathsHelper.GetResourcePath(request.ResourceType),
HttpConstants.HttpMethods.Get,
request.Headers,
AuthorizationTokenType.PrimaryMasterKey,
childTrace);
request.Headers[HttpConstants.HttpHeaders.Authorization] = authorizationToken;
using (new ActivityScope(Guid.NewGuid()))
{
retryPolicyInstance?.OnBeforeSendRequest(request);
try
{
using (DocumentServiceResponse response = await this.storeModel.ProcessMessageAsync(request))
{
return(CosmosResource.FromStream <ContainerProperties>(response));
}
}
catch (DocumentClientException ex)
{
childTrace.AddDatum("Exception Message", ex.Message);
throw;
}
}
}
}
}
private static T CosmosDeserialize <T>(string payload)
{
using (MemoryStream ms = new MemoryStream())
{
StreamWriter sw = new StreamWriter(ms, new UTF8Encoding(false, true), 1024, leaveOpen: true);
sw.Write(payload);
sw.Flush();
ms.Position = 0;
return(CosmosResource.FromStream <T>(ms));
}
}
private async Task <ContainerProperties> ReadCollectionAsync(string collectionLink, CancellationToken cancellationToken, IDocumentClientRetryPolicy retryPolicyInstance)
{
cancellationToken.ThrowIfCancellationRequested();
using (DocumentServiceRequest request = DocumentServiceRequest.Create(
OperationType.Read,
ResourceType.Collection,
collectionLink,
AuthorizationTokenType.PrimaryMasterKey,
new DictionaryNameValueCollection()))
{
request.Headers[HttpConstants.HttpHeaders.XDate] = DateTime.UtcNow.ToString("r");
string payload;
string authorizationToken = this.tokenProvider.GetUserAuthorizationToken(
request.ResourceAddress,
PathsHelper.GetResourcePath(request.ResourceType),
HttpConstants.HttpMethods.Get,
request.Headers,
AuthorizationTokenType.PrimaryMasterKey,
out payload);
request.Headers[HttpConstants.HttpHeaders.Authorization] = authorizationToken;
using (new ActivityScope(Guid.NewGuid()))
{
if (retryPolicyInstance != null)
{
retryPolicyInstance.OnBeforeSendRequest(request);
}
using (DocumentServiceResponse response = await this.storeModel.ProcessMessageAsync(request))
{
return(CosmosResource.FromStream <ContainerProperties>(response));
}
}
}
}