Ejemplo n.º 1
0
        /// <summary>
        /// Executes the operation.
        /// </summary>
        /// <param name="batchReader">The batch reader.</param>
        /// <param name="batchId">The batch id.</param>
        /// <param name="originalRequest">The original request containing all the batch requests.</param>
        /// <param name="cancellationToken">The token to monitor for cancellation requests.</param>
        /// <returns>The response for the operation.</returns>
        public virtual async Task <ODataBatchResponseItem> ExecuteOperationAsync(ODataBatchReader batchReader, Guid batchId, HttpRequestMessage originalRequest, CancellationToken cancellationToken)
        {
            if (batchReader == null)
            {
                throw Error.ArgumentNull("batchReader");
            }
            if (originalRequest == null)
            {
                throw Error.ArgumentNull("originalRequest");
            }

            cancellationToken.ThrowIfCancellationRequested();
            HttpRequestMessage operationRequest = await batchReader.ReadOperationRequestAsync(batchId, bufferContentStream : false);

            operationRequest.CopyBatchRequestProperties(originalRequest);
            operationRequest.DeleteRequestContainer(false);
            OperationRequestItem operation = new OperationRequestItem(operationRequest);

            try
            {
                ODataBatchResponseItem response = await operation.SendRequestAsync(Invoker, cancellationToken);

                return(response);
            }
            finally
            {
                originalRequest.RegisterForDispose(operation.GetResourcesForDisposal());
                originalRequest.RegisterForDispose(operation);
            }
        }
Ejemplo n.º 2
0
        public virtual async Task <IList <ODataBatchResponseItem> > ExecuteRequestMessagesAsync(IEnumerable <ODataBatchRequestItem> requests, RequestDelegate handler)
        {
            if (requests == null)
            {
                throw Error.ArgumentNull("requests");
            }
            if (handler == null)
            {
                throw Error.ArgumentNull("handler");
            }

            IList <ODataBatchResponseItem> responses = new List <ODataBatchResponseItem>();

            foreach (ODataBatchRequestItem request in requests)
            {
                ODataBatchResponseItem responseItem = await request.SendRequestAsync(handler);

                responses.Add(responseItem);

                if (responseItem != null && responseItem.IsResponseSuccessful() == false && ContinueOnError == false)
                {
                    break;
                }
            }

            return(responses);
        }
Ejemplo n.º 3
0
        /// <summary>
        /// Executes the operation.
        /// </summary>
        /// <param name="batchReader">The batch reader.</param>
        /// <param name="batchId">The batch id.</param>
        /// <param name="originalRequest">The original request containing all the batch requests.</param>
        /// <param name="handler">The handler for processing a message.</param>
        /// <returns>The response for the operation.</returns>
        public virtual async Task <ODataBatchResponseItem> ExecuteOperationAsync(ODataBatchReader batchReader, Guid batchId, HttpRequest originalRequest, RequestDelegate handler)
        {
            if (batchReader == null)
            {
                throw Error.ArgumentNull("batchReader");
            }
            if (originalRequest == null)
            {
                throw Error.ArgumentNull("originalRequest");
            }
            if (handler == null)
            {
                throw Error.ArgumentNull("handler");
            }

            CancellationToken cancellationToken = originalRequest.HttpContext.RequestAborted;

            cancellationToken.ThrowIfCancellationRequested();
            HttpContext operationContext = await batchReader.ReadOperationRequestAsync(originalRequest.HttpContext, batchId, false, cancellationToken);

            operationContext.Request.CopyBatchRequestProperties(originalRequest);
            operationContext.Request.DeleteRequestContainer(false);
            OperationRequestItem operation = new OperationRequestItem(operationContext);

            ODataBatchResponseItem responseItem = await operation.SendRequestAsync(handler);

            return(responseItem);
        }
Ejemplo n.º 4
0
        /// <inheritdoc/>
        public override async Task ProcessBatchAsync(HttpContext context, RequestDelegate nextHandler)
        {
            if (context == null)
            {
                throw Error.ArgumentNull("context");
            }
            if (nextHandler == null)
            {
                throw Error.ArgumentNull("nextHandler");
            }

            if (!await ValidateRequest(context.Request))
            {
                return;
            }

            // This container is for the overall batch request.
            HttpRequest      request          = context.Request;
            IServiceProvider requestContainer = request.CreateRequestContainer(ODataRouteName);

            requestContainer.GetRequiredService <ODataMessageReaderSettings>().BaseUri = GetBaseUri(request);

            ODataMessageReader reader = request.GetODataMessageReader(requestContainer);

            ODataBatchReader batchReader = await reader.CreateODataBatchReaderAsync();

            List <ODataBatchResponseItem> responses = new List <ODataBatchResponseItem>();
            Guid batchId = Guid.NewGuid();

            ODataOptions options = context.RequestServices.GetRequiredService <ODataOptions>();
            bool         enableContinueOnErrorHeader = (options != null)
                ? options.EnableContinueOnErrorHeader
                : false;

            SetContinueOnError(new WebApiRequestHeaders(request.Headers), enableContinueOnErrorHeader);

            while (await batchReader.ReadAsync())
            {
                ODataBatchResponseItem responseItem = null;
                if (batchReader.State == ODataBatchReaderState.ChangesetStart)
                {
                    responseItem = await ExecuteChangeSetAsync(batchReader, batchId, request, nextHandler);
                }
                else if (batchReader.State == ODataBatchReaderState.Operation)
                {
                    responseItem = await ExecuteOperationAsync(batchReader, batchId, request, nextHandler);
                }
                if (responseItem != null)
                {
                    responses.Add(responseItem);
                    if (responseItem.IsResponseSuccessful() == false && ContinueOnError == false)
                    {
                        break;
                    }
                }
            }

            await CreateResponseMessageAsync(responses, request);
        }
Ejemplo n.º 5
0
        public virtual async Task <IList <ODataBatchResponseItem> > ExecuteRequestMessagesAsync(IEnumerable <ODataBatchRequestItem> requests, CancellationToken cancellationToken)
        {
            if (requests == null)
            {
                throw Error.ArgumentNull("requests");
            }

            IList <ODataBatchResponseItem> responses = new List <ODataBatchResponseItem>();

            try
            {
                foreach (ODataBatchRequestItem request in requests)
                {
                    ODataBatchResponseItem responseItem = await request.SendRequestAsync(Invoker, cancellationToken);

                    responses.Add(responseItem);
                    if (responseItem != null && responseItem.IsResponseSuccessful() == false && ContinueOnError == false)
                    {
                        break;
                    }
                }
            }
            catch
            {
                foreach (ODataBatchResponseItem response in responses)
                {
                    if (response != null)
                    {
                        response.Dispose();
                    }
                }
                throw;
            }

            return(responses);
        }
Ejemplo n.º 6
0
        /// <inheritdoc/>
        public override async Task <HttpResponseMessage> ProcessBatchAsync(HttpRequestMessage request, CancellationToken cancellationToken)
        {
            if (request == null)
            {
                throw Error.ArgumentNull("request");
            }

            ValidateRequest(request);

            // This container is for the overall batch request.
            IServiceProvider requestContainer = request.CreateRequestContainer(ODataRouteName);

            requestContainer.GetRequiredService <ODataMessageReaderSettings>().BaseUri = GetBaseUri(request);

            ODataMessageReader reader = await request.Content.GetODataMessageReaderAsync(requestContainer, cancellationToken);

            request.RegisterForDispose(reader);

            ODataBatchReader batchReader            = reader.CreateODataBatchReader();
            List <ODataBatchResponseItem> responses = new List <ODataBatchResponseItem>();
            Guid batchId = Guid.NewGuid();

            HttpConfiguration configuration  = request.GetConfiguration();
            bool enableContinueOnErrorHeader = (configuration != null)
                ? configuration.HasEnabledContinueOnErrorHeader()
                : false;

            SetContinueOnError(new WebApiRequestHeaders(request.Headers), enableContinueOnErrorHeader);

            try
            {
                while (batchReader.Read())
                {
                    ODataBatchResponseItem responseItem = null;
                    if (batchReader.State == ODataBatchReaderState.ChangesetStart)
                    {
                        responseItem = await ExecuteChangeSetAsync(batchReader, batchId, request, cancellationToken);
                    }
                    else if (batchReader.State == ODataBatchReaderState.Operation)
                    {
                        responseItem = await ExecuteOperationAsync(batchReader, batchId, request, cancellationToken);
                    }
                    if (responseItem != null)
                    {
                        responses.Add(responseItem);
                        if (responseItem.IsResponseSuccessful() == false && ContinueOnError == false)
                        {
                            break;
                        }
                    }
                }
            }
            catch
            {
                foreach (ODataBatchResponseItem response in responses)
                {
                    if (response != null)
                    {
                        response.Dispose();
                    }
                }
                throw;
            }

            return(await CreateResponseMessageAsync(responses, request, cancellationToken));
        }