public async Task AssignBatchActionResultsAsync(IODataClient client,
ODataResponse batchResponse, IList <Func <IODataClient, Task> > actions, IList <int> responseIndexes)
{
var exceptions = new List <Exception>();
for (var actionIndex = 0; actionIndex < actions.Count && !exceptions.Any(); actionIndex++)
{
var responseIndex = responseIndexes[actionIndex];
if (responseIndex >= 0 && responseIndex < batchResponse.Batch.Count)
{
var actionResponse = batchResponse.Batch[responseIndex];
if (actionResponse.Exception != null)
{
exceptions.Add(actionResponse.Exception);
}
else if (actionResponse.StatusCode >= (int)HttpStatusCode.BadRequest)
{
exceptions.Add(WebRequestException.CreateFromStatusCode((HttpStatusCode)actionResponse.StatusCode));
}
else
{
await actions[actionIndex](new ODataClient(client as ODataClient, actionResponse)).ConfigureAwait(false);
}
}
}
if (exceptions.Any())
{
throw exceptions.First();
}
}
private async Task ExecuteBatchActionsAsync(IList <Func <IODataClient, Task> > actions, CancellationToken cancellationToken)
{
if (!actions.Any())
{
return;
}
var responseIndexes = new List <int>();
// Write batch operations into a batch content
var lastOperationId = 0;
foreach (var action in actions)
{
await action(this);
var responseIndex = -1;
if (_lazyBatchWriter.Value.LastOperationId > lastOperationId)
{
lastOperationId = _lazyBatchWriter.Value.LastOperationId;
responseIndex = lastOperationId - 1;
}
responseIndexes.Add(responseIndex);
}
if (_lazyBatchWriter.Value.HasOperations)
{
// Create batch request message
var requestMessage = await _lazyBatchWriter.Value.EndBatchAsync();
var request = new ODataRequest(RestVerbs.Post, _session, ODataLiteral.Batch, requestMessage);
// Execute batch and get response
ODataResponse batchResponse;
using (var response = await _requestRunner.ExecuteRequestAsync(request, cancellationToken))
{
var responseReader = _session.Adapter.GetResponseReader();
batchResponse = await responseReader.GetResponseAsync(response);
}
// Replay batch operations to assign results
for (int actionIndex = 0; actionIndex < actions.Count; actionIndex++)
{
var responseIndex = responseIndexes[actionIndex];
if (responseIndex >= 0)
{
var actionResponse = batchResponse.Batch[responseIndex];
if (actionResponse.StatusCode >= 400)
{
throw WebRequestException.CreateFromStatusCode((HttpStatusCode)actionResponse.StatusCode);
}
var client = new ODataClient(this, actionResponse);
await actions[actionIndex](client);
}
}
}
}
public static ODataResponse FromStatusCode(int statusCode, Stream responseStream)
{
if (statusCode >= (int)HttpStatusCode.BadRequest)
{
var responseContent = Utils.StreamToString(responseStream, true);
return(new ODataResponse
{
StatusCode = statusCode,
Exception = WebRequestException.CreateFromStatusCode((HttpStatusCode)statusCode, responseContent),
});
}
else
{
return(new ODataResponse
{
StatusCode = statusCode,
});
}
}
internal static ODataResponse FromStatusCode(ITypeCache typeCache, int statusCode, IEnumerable <KeyValuePair <string, string> > headers, Stream responseStream, WebRequestExceptionMessageSource exceptionMessageSource)
{
if (statusCode >= (int)HttpStatusCode.BadRequest)
{
var responseContent = Utils.StreamToString(responseStream, true);
return(new ODataResponse(typeCache)
{
StatusCode = statusCode,
Exception = WebRequestException.CreateFromStatusCode((HttpStatusCode)statusCode, exceptionMessageSource, responseContent),
Headers = headers
});
}
else
{
return(new ODataResponse(typeCache)
{
StatusCode = statusCode,
Headers = headers
});
}
}