public async Task <ContainerResponse> CreateContainerIfNotExistsAsync(
ContainerProperties containerProperties,
ThroughputProperties throughputProperties,
RequestOptions requestOptions,
ITrace trace,
CancellationToken cancellationToken)
{
if (containerProperties == null)
{
throw new ArgumentNullException(nameof(containerProperties));
}
this.ValidateContainerProperties(containerProperties);
double totalRequestCharge = 0;
ContainerCore container = (ContainerCore)this.GetContainer(containerProperties.Id);
using (ResponseMessage readResponse = await container.ReadContainerStreamAsync(
requestOptions: requestOptions,
trace: trace,
cancellationToken: cancellationToken))
{
totalRequestCharge = readResponse.Headers.RequestCharge;
if (readResponse.StatusCode != HttpStatusCode.NotFound)
{
ContainerResponse retrivedContainerResponse = this.ClientContext.ResponseFactory.CreateContainerResponse(
container,
readResponse);
if (containerProperties.PartitionKey.Kind != Documents.PartitionKind.MultiHash)
{
if (!retrivedContainerResponse.Resource.PartitionKeyPath.Equals(containerProperties.PartitionKeyPath))
{
throw new ArgumentException(
string.Format(
ClientResources.PartitionKeyPathConflict,
containerProperties.PartitionKeyPath,
containerProperties.Id,
retrivedContainerResponse.Resource.PartitionKeyPath),
nameof(containerProperties.PartitionKey));
}
}
#if PREVIEW
else
{
IReadOnlyList <string> retrivedPartitionKeyPaths = retrivedContainerResponse.Resource.PartitionKeyPaths;
IReadOnlyList <string> receivedPartitionKeyPaths = containerProperties.PartitionKeyPaths;
if (retrivedPartitionKeyPaths.Count != receivedPartitionKeyPaths.Count || !Enumerable.SequenceEqual(retrivedPartitionKeyPaths, receivedPartitionKeyPaths))
{
throw new ArgumentException(
string.Format(
ClientResources.PartitionKeyPathConflict,
string.Join(",", containerProperties.PartitionKeyPaths),
containerProperties.Id,
string.Join(",", retrivedContainerResponse.Resource.PartitionKeyPaths)),
nameof(containerProperties.PartitionKey));
}
}
#endif
return(retrivedContainerResponse);
}
}
this.ValidateContainerProperties(containerProperties);
using (ResponseMessage createResponse = await this.CreateContainerStreamAsync(
containerProperties,
throughputProperties,
requestOptions,
trace,
cancellationToken))
{
totalRequestCharge += createResponse.Headers.RequestCharge;
createResponse.Headers.RequestCharge = totalRequestCharge;
if (createResponse.StatusCode != HttpStatusCode.Conflict)
{
return(this.ClientContext.ResponseFactory.CreateContainerResponse(container, createResponse));
}
}
// This second Read is to handle the race condition when 2 or more threads have Read the database and only one succeeds with Create
// so for the remaining ones we should do a Read instead of throwing Conflict exception
using (ResponseMessage readResponseAfterCreate = await container.ReadContainerStreamAsync(
requestOptions: requestOptions,
trace: trace,
cancellationToken: cancellationToken))
{
totalRequestCharge += readResponseAfterCreate.Headers.RequestCharge;
readResponseAfterCreate.Headers.RequestCharge = totalRequestCharge;
return(this.ClientContext.ResponseFactory.CreateContainerResponse(container, readResponseAfterCreate));
}
}
public async Task <ContainerResponse> CreateContainerIfNotExistsAsync(
CosmosDiagnosticsContext diagnosticsContext,
ContainerProperties containerProperties,
ThroughputProperties throughputProperties,
RequestOptions requestOptions,
CancellationToken cancellationToken)
{
if (containerProperties == null)
{
throw new ArgumentNullException(nameof(containerProperties));
}
this.ValidateContainerProperties(containerProperties);
ContainerCore container = (ContainerCore)this.GetContainer(containerProperties.Id);
using (ResponseMessage readResponse = await container.ReadContainerStreamAsync(
diagnosticsContext: diagnosticsContext,
cancellationToken: cancellationToken))
{
if (readResponse.StatusCode != HttpStatusCode.NotFound)
{
ContainerResponse retrivedContainerResponse = this.ClientContext.ResponseFactory.CreateContainerResponse(
container,
readResponse);
if (!retrivedContainerResponse.Resource.PartitionKeyPath.Equals(containerProperties.PartitionKeyPath))
{
throw new ArgumentException(
string.Format(
ClientResources.PartitionKeyPathConflict,
containerProperties.PartitionKeyPath,
containerProperties.Id,
retrivedContainerResponse.Resource.PartitionKeyPath),
nameof(containerProperties.PartitionKey));
}
return(retrivedContainerResponse);
}
}
this.ValidateContainerProperties(containerProperties);
using (ResponseMessage createResponse = await this.CreateContainerStreamAsync(
diagnosticsContext,
containerProperties,
throughputProperties,
requestOptions,
cancellationToken))
{
if (createResponse.StatusCode != HttpStatusCode.Conflict)
{
return(this.ClientContext.ResponseFactory.CreateContainerResponse(container, createResponse));
}
}
// This second Read is to handle the race condition when 2 or more threads have Read the database and only one succeeds with Create
// so for the remaining ones we should do a Read instead of throwing Conflict exception
using (ResponseMessage readResponseAfterCreate = await container.ReadContainerStreamAsync(
diagnosticsContext: diagnosticsContext,
cancellationToken: cancellationToken))
{
return(this.ClientContext.ResponseFactory.CreateContainerResponse(container, readResponseAfterCreate));
}
}