public override async Task <ResponseMessage> ReadNextAsync(CancellationToken cancellationToken = default(CancellationToken))
{
// This catches exception thrown by the pipeline and converts it to QueryResponse
QueryResponseCore responseCore = await this.cosmosQueryExecutionContext.ExecuteNextAsync(cancellationToken);
CosmosQueryContext cosmosQueryContext = this.cosmosQueryContext;
QueryAggregateDiagnostics diagnostics = new QueryAggregateDiagnostics(responseCore.Diagnostics);
QueryResponse queryResponse;
if (responseCore.IsSuccess)
{
queryResponse = QueryResponse.CreateSuccess(
result: responseCore.CosmosElements,
count: responseCore.CosmosElements.Count,
responseLengthBytes: responseCore.ResponseLengthBytes,
diagnostics: diagnostics,
serializationOptions: this.cosmosSerializationFormatOptions,
responseHeaders: new CosmosQueryResponseMessageHeaders(
responseCore.ContinuationToken,
responseCore.DisallowContinuationTokenMessage,
cosmosQueryContext.ResourceTypeEnum,
cosmosQueryContext.ContainerResourceId)
{
RequestCharge = responseCore.RequestCharge,
ActivityId = responseCore.ActivityId,
SubStatusCode = responseCore.SubStatusCode ?? Documents.SubStatusCodes.Unknown
});
}
else
{
queryResponse = QueryResponse.CreateFailure(
statusCode: responseCore.StatusCode,
error: null,
errorMessage: responseCore.ErrorMessage,
requestMessage: null,
diagnostics: diagnostics,
responseHeaders: new CosmosQueryResponseMessageHeaders(
responseCore.ContinuationToken,
responseCore.DisallowContinuationTokenMessage,
cosmosQueryContext.ResourceTypeEnum,
cosmosQueryContext.ContainerResourceId)
{
RequestCharge = responseCore.RequestCharge,
ActivityId = responseCore.ActivityId,
SubStatusCode = responseCore.SubStatusCode ?? Documents.SubStatusCodes.Unknown
});
}
return(queryResponse);
}
public override async Task <ResponseMessage> ReadNextAsync(CancellationToken cancellationToken = default(CancellationToken))
{
// This catches exception thrown by the pipeline and converts it to QueryResponse
ResponseMessage response;
try
{
QueryResponseCore responseCore = await this.cosmosQueryExecutionContext.ExecuteNextAsync(cancellationToken);
CosmosQueryContext cosmosQueryContext = this.cosmosQueryExecutionContext.CosmosQueryContext;
QueryAggregateDiagnostics diagnostics = new QueryAggregateDiagnostics(responseCore.Diagnostics);
QueryResponse queryResponse;
if (responseCore.IsSuccess)
{
queryResponse = QueryResponse.CreateSuccess(
result: responseCore.CosmosElements,
count: responseCore.CosmosElements.Count,
responseLengthBytes: responseCore.ResponseLengthBytes,
diagnostics: diagnostics,
responseHeaders: new CosmosQueryResponseMessageHeaders(
responseCore.ContinuationToken,
responseCore.DisallowContinuationTokenMessage,
cosmosQueryContext.ResourceTypeEnum,
cosmosQueryContext.ContainerResourceId)
{
RequestCharge = responseCore.RequestCharge,
ActivityId = responseCore.ActivityId
});
}
else
{
queryResponse = QueryResponse.CreateFailure(
statusCode: responseCore.StatusCode,
error: null,
errorMessage: responseCore.ErrorMessage,
requestMessage: null,
diagnostics: diagnostics,
responseHeaders: new CosmosQueryResponseMessageHeaders(
responseCore.ContinuationToken,
responseCore.DisallowContinuationTokenMessage,
cosmosQueryContext.ResourceTypeEnum,
cosmosQueryContext.ContainerResourceId)
{
RequestCharge = responseCore.RequestCharge,
ActivityId = responseCore.ActivityId
});
}
queryResponse.CosmosSerializationOptions = this.cosmosSerializationFormatOptions;
response = queryResponse;
}
catch (Documents.DocumentClientException exception)
{
response = exception.ToCosmosResponseMessage(request: null);
}
catch (CosmosException exception)
{
response = exception.ToCosmosResponseMessage(request: null);
}
catch (AggregateException ae)
{
response = TransportHandler.AggregateExceptionConverter(ae, null);
if (response == null)
{
throw;
}
}
return(response);
}