/// <summary>
/// Executes a <see cref="IViewQuery"/> asynchronously against a View.
/// </summary>
/// <typeparam name="T">The Type parameter of the result returned by the query.</typeparam>
/// <param name="query">The <see cref="IViewQuery"/> to execute on.</param>
/// <returns>A <see cref="Task{T}"/> that can be awaited on for the results.</returns>
public override async Task <IViewResult <T> > ExecuteAsync <T>(IViewQueryable query)
{
var uri = query.RawUri();
var viewResult = new ViewResult <T>();
string body;
using (ClientConfiguration.Tracer.BuildSpan(query, CouchbaseOperationNames.RequestEncoding).Start())
{
body = query.CreateRequestBody();
}
try
{
Log.Debug("Sending view request to: {0}", uri.ToString());
var content = new StringContent(body, Encoding.UTF8, MediaType.Json);
HttpResponseMessage response;
using (ClientConfiguration.Tracer.BuildSpan(query, CouchbaseOperationNames.DispatchToServer).Start())
{
response = await HttpClient.PostAsync(uri, content).ContinueOnAnyContext();
}
if (response.IsSuccessStatusCode)
{
using (ClientConfiguration.Tracer.BuildSpan(query, CouchbaseOperationNames.ResponseDecoding).Start())
using (var stream = await response.Content.ReadAsStreamAsync().ContinueOnAnyContext())
{
viewResult = DataMapper.Map <ViewResultData <T> >(stream).ToViewResult();
viewResult.Success = response.IsSuccessStatusCode;
viewResult.StatusCode = response.StatusCode;
viewResult.Message = Success;
}
}
else
{
viewResult = new ViewResult <T>
{
Success = false,
StatusCode = response.StatusCode,
Message = response.ReasonPhrase
};
}
}
catch (AggregateException ae)
{
ae.Flatten().Handle(e =>
{
ProcessError(e, viewResult);
Log.Error(uri.ToString(), e);
return(true);
});
}
catch (OperationCanceledException e)
{
var operationContext = OperationContext.CreateViewContext(query.BucketName, uri?.Authority);
if (_viewTimeout.HasValue)
{
operationContext.TimeoutMicroseconds = _viewTimeout.Value;
}
ProcessError(e, operationContext.ToString(), viewResult);
Log.Error(uri.ToString(), e);
}
catch (HttpRequestException e)
{
ProcessError(e, viewResult);
Log.Error(uri.ToString(), e);
}
UpdateLastActivity();
return(viewResult);
}
/// <summary>
/// Executes a <see cref="IViewQuery"/> asynchronously against a View.
/// </summary>
/// <typeparam name="T">The Type parameter of the result returned by the query.</typeparam>
/// <param name="query">The <see cref="IViewQuery"/> to execute on.</param>
/// <returns>A <see cref="Task{T}"/> that can be awaited on for the results.</returns>
public async Task <IViewResult <T> > ExecuteAsync <T>(IViewQueryable query)
{
var uri = query.RawUri();
ViewResult <T> viewResult = null;
string body;
//using (ClientConfiguration.Tracer.BuildSpan(query, CouchbaseOperationNames.RequestEncoding).StartActive())
//{
body = query.CreateRequestBody();
//}
try
{
//Log.Debug("Sending view request to: {0}", uri.ToString());
var content = new StringContent(body, Encoding.UTF8, MediaType.Json);
HttpResponseMessage response;
//using (ClientConfiguration.Tracer.BuildSpan(query, CouchbaseOperationNames.DispatchToServer).StartActive())
//{
response = await HttpClient.PostAsync(uri, content).ConfigureAwait(false);
//}
if (response.IsSuccessStatusCode)
{
viewResult = new ViewResult <T>(
response.StatusCode,
Success,
await response.Content.ReadAsStreamAsync().ConfigureAwait(false)
//ClientConfiguration.Tracer.BuildSpan(query, CouchbaseOperationNames.ResponseDecoding).StartActive().Span
);
}
else
{
viewResult = new ViewResult <T>(response.StatusCode, response.ReasonPhrase);
}
}
catch (AggregateException ae)
{
ae.Flatten().Handle(e =>
{
viewResult = CreateErrorResult <T>(e);
//Log.Error(uri.ToString(), e);
return(true);
});
}
catch (OperationCanceledException e)
{
var operationContext = OperationContext.CreateViewContext(query.BucketName, uri?.Authority);
if (_viewTimeout.HasValue)
{
operationContext.TimeoutMicroseconds = _viewTimeout.Value;
}
viewResult = CreateErrorResult <T>(e, operationContext.ToString());
//Log.Error(uri.ToString(), e);
}
catch (HttpRequestException e)
{
viewResult = CreateErrorResult <T>(e);
//Log.Error(uri.ToString(), e);
}
UpdateLastActivity();
return(viewResult);
}
