/// <summary>
/// Executes the ChangeSet.
/// </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 ChangeSet.</returns>
public virtual async Task <ODataBatchResponseItem> ExecuteChangeSetAsync(ODataBatchReader batchReader, Guid batchId, HttpRequestMessage originalRequest, CancellationToken cancellationToken)
{
if (batchReader == null)
{
throw Error.ArgumentNull("batchReader");
}
if (originalRequest == null)
{
throw Error.ArgumentNull("originalRequest");
}
Guid changeSetId = Guid.NewGuid();
List <HttpResponseMessage> changeSetResponse = new List <HttpResponseMessage>();
Dictionary <string, string> contentIdToLocationMapping = new Dictionary <string, string>();
try
{
while (batchReader.Read() && batchReader.State != ODataBatchReaderState.ChangesetEnd)
{
if (batchReader.State == ODataBatchReaderState.Operation)
{
HttpRequestMessage changeSetOperationRequest = await batchReader.ReadChangeSetOperationRequestAsync(batchId, changeSetId, bufferContentStream : false);
changeSetOperationRequest.CopyBatchRequestProperties(originalRequest);
try
{
HttpResponseMessage response = await ODataBatchRequestItem.SendMessageAsync(Invoker, changeSetOperationRequest, cancellationToken, contentIdToLocationMapping);
if (response.IsSuccessStatusCode)
{
changeSetResponse.Add(response);
}
else
{
ChangeSetRequestItem.DisposeResponses(changeSetResponse);
changeSetResponse.Clear();
changeSetResponse.Add(response);
return(new ChangeSetResponseItem(changeSetResponse));
}
}
finally
{
originalRequest.RegisterForDispose(changeSetOperationRequest.GetResourcesForDisposal());
originalRequest.RegisterForDispose(changeSetOperationRequest);
}
}
}
}
catch
{
ChangeSetRequestItem.DisposeResponses(changeSetResponse);
throw;
}
return(new ChangeSetResponseItem(changeSetResponse));
}
private void fixRequestUri(ODataBatchRequestItem request)
{
foreach (HttpRequestMessage req in ((ChangeSetRequestItem)request).Requests)
{
var oldUri = req.RequestUri;
var newUriBuilder = new UriBuilder(oldUri);
newUriBuilder.Path = "/odata" + newUriBuilder.Path;
req.RequestUri = newUriBuilder.Uri;
}
}
public void ExecuteRequestMessagesAsync_DisposesResponseInCaseOfException()
{
List<MockHttpResponseMessage> responses = new List<MockHttpResponseMessage>();
MockHttpServer server = new MockHttpServer(request =>
{
if (request.Method == HttpMethod.Put)
{
throw new InvalidOperationException();
}
var response = new MockHttpResponseMessage();
responses.Add(response);
return response;
});
DefaultODataBatchHandler batchHandler = new DefaultODataBatchHandler(server);
ODataBatchRequestItem[] requests = new ODataBatchRequestItem[]
{
new OperationRequestItem(new HttpRequestMessage(HttpMethod.Get, "http://example.com/")),
new OperationRequestItem(new HttpRequestMessage(HttpMethod.Post, "http://example.com/")),
new OperationRequestItem(new HttpRequestMessage(HttpMethod.Put, "http://example.com/")),
};
Assert.Throws<InvalidOperationException>(
() => batchHandler.ExecuteRequestMessagesAsync(requests, CancellationToken.None).Result);
Assert.Equal(2, responses.Count);
foreach (var response in responses)
{
Assert.True(response.IsDisposed);
}
}
public void ExecuteRequestMessagesAsync_CallsInvokerForEachRequest()
{
MockHttpServer server = new MockHttpServer(request =>
{
string responseContent = request.RequestUri.AbsoluteUri;
if (request.Content != null)
{
string content = request.Content.ReadAsStringAsync().Result;
if (!String.IsNullOrEmpty(content))
{
responseContent += "," + content;
}
}
return new HttpResponseMessage { Content = new StringContent(responseContent) };
});
DefaultODataBatchHandler batchHandler = new DefaultODataBatchHandler(server);
ODataBatchRequestItem[] requests = new ODataBatchRequestItem[]
{
new OperationRequestItem(new HttpRequestMessage(HttpMethod.Get, "http://example.com/")),
new ChangeSetRequestItem(new HttpRequestMessage[]
{
new HttpRequestMessage(HttpMethod.Post, "http://example.com/values")
{
Content = new StringContent("foo")
}
})
};
var responses = batchHandler.ExecuteRequestMessagesAsync(requests, CancellationToken.None).Result;
Assert.Equal(2, responses.Count);
Assert.Equal("http://example.com/", ((OperationResponseItem)responses[0]).Response.Content.ReadAsStringAsync().Result);
Assert.Equal("http://example.com/values,foo", ((ChangeSetResponseItem)responses[1]).Responses.First().Content.ReadAsStringAsync().Result);
}