private void VerifyChangeOperationResponse(ChangeOperationResponseData expected, ChangeOperationResponse actual, int responseOrder) { this.Assert.IsNotNull(actual.Descriptor, GetVerificationFailureMessage(responseOrder, "Change operation response descriptor should not be null!")); this.VerifyDescriptor(expected.DescriptorData, actual.Descriptor, responseOrder); this.Assert.AreEqual( expected.StatusCode, actual.StatusCode, GetVerificationFailureMessage(responseOrder, "Status code verification failed for the change operation response data: {0}.", expected)); // No headers verification // Verify exceptions if (!string.IsNullOrEmpty(expected.ExceptionId)) { throw new TaupoNotSupportedException( string.Format( CultureInfo.InvariantCulture, "Change operation response data with order {0} has non-null exception id '{1}'. This verifier does not support exception verification.", responseOrder, expected.ExceptionId)); } this.Assert.IsNull(actual.Error, GetVerificationFailureMessage(responseOrder, "Unexpected exception thrown:\r\n{0}", actual.Error)); this.Assert.AreEqual( expected.DescriptorData.State.ToProductEnum(), actual.Descriptor.State, GetVerificationFailureMessage(responseOrder, "Descriptor State verification failed for the change operation response data: {0}.", expected)); }
/// <summary> /// Handle the response. /// </summary> /// <returns>an instance of the DataServiceResponse, containing individual responses for all the requests made during this SaveChanges call.</returns> protected override DataServiceResponse HandleResponse() { List <OperationResponse> responses = new List <OperationResponse>(this.cachedResponses != null ? this.cachedResponses.Count : 0); DataServiceResponse service = new DataServiceResponse(null, -1, responses, false /*isBatch*/); Exception ex = null; try { foreach (CachedResponse response in this.cachedResponses) { Descriptor descriptor = response.Descriptor; this.SaveResultProcessed(descriptor); OperationResponse operationResponse = new ChangeOperationResponse(response.Headers, descriptor); operationResponse.StatusCode = (int)response.StatusCode; if (response.Exception != null) { operationResponse.Error = response.Exception; if (ex == null) { ex = response.Exception; } } else { this.cachedResponse = response; #if DEBUG this.HandleOperationResponse(descriptor, response.Headers, response.StatusCode); #else this.HandleOperationResponse(descriptor, response.Headers); #endif } responses.Add(operationResponse); } } catch (InvalidOperationException e) { ex = e; } if (ex != null) { throw new DataServiceRequestException(Strings.DataServiceException_GeneralError, ex, service); } return(service); }
/// <summary> /// process the batch response /// </summary> /// <param name="batchReader">The batch reader to use for reading the batch response.</param> /// <returns>enumerable of QueryResponse or null</returns> /// <remarks> /// The batch message reader for the entire batch response is stored in this.batchMessageReader. /// Note that this method takes over the ownership of this reader and must Dispose it if it successfully returns. /// </remarks> private IEnumerable <OperationResponse> HandleBatchResponse(ODataBatchReader batchReader) { try { if (this.batchMessageReader == null) { // The enumerable returned by this method can be enumerated multiple times. // In that case it looks like if the method is called multiple times. // This didn't fail in previous versions, it simply returned no results, so we need to do the same. yield break; } Debug.Assert(batchReader != null, "batchReader != null"); bool changesetFound = false; bool insideChangeset = false; int queryCount = 0; int operationCount = 0; this.entryIndex = 0; while (batchReader.Read()) { switch (batchReader.State) { #region ChangesetStart case ODataBatchReaderState.ChangesetStart: if ((Util.IsBatchWithSingleChangeset(this.Options) && changesetFound) || (operationCount != 0)) { // Throw if we encounter multiple changesets when running in batch with single changeset mode // or if we encounter operations outside of a changeset. Error.ThrowBatchUnexpectedContent(InternalError.UnexpectedBeginChangeSet); } insideChangeset = true; break; #endregion #region ChangesetEnd case ODataBatchReaderState.ChangesetEnd: changesetFound = true; operationCount = 0; insideChangeset = false; break; #endregion #region Operation case ODataBatchReaderState.Operation: Exception exception = this.ProcessCurrentOperationResponse(batchReader, insideChangeset); if (!insideChangeset) { #region Get response Debug.Assert(operationCount == 0, "missing an EndChangeSet 2"); QueryOperationResponse qresponse = null; try { if (exception == null) { DataServiceRequest query = this.Queries[queryCount]; ResponseInfo responseInfo = this.RequestInfo.GetDeserializationInfo(null /*mergeOption*/); MaterializeAtom materializer = DataServiceRequest.Materialize( responseInfo, query.QueryComponents(this.RequestInfo.Model), null, this.currentOperationResponse.Headers.GetHeader(XmlConstants.HttpContentType), this.currentOperationResponse.CreateResponseMessage(), query.PayloadKind); qresponse = QueryOperationResponse.GetInstance(query.ElementType, this.currentOperationResponse.Headers, query, materializer); } } catch (ArgumentException e) { exception = e; } catch (FormatException e) { exception = e; } catch (InvalidOperationException e) { exception = e; } if (qresponse == null) { if (this.Queries != null) { // this is the normal ExecuteBatch response DataServiceRequest query = this.Queries[queryCount]; if (this.RequestInfo.IgnoreResourceNotFoundException && this.currentOperationResponse.StatusCode == HttpStatusCode.NotFound) { qresponse = QueryOperationResponse.GetInstance(query.ElementType, this.currentOperationResponse.Headers, query, MaterializeAtom.EmptyResults); } else { qresponse = QueryOperationResponse.GetInstance(query.ElementType, this.currentOperationResponse.Headers, query, MaterializeAtom.EmptyResults); qresponse.Error = exception; } } else { // This is top-level failure for SaveChanges(SaveChangesOptions.BatchWithSingleChangeset) or SaveChanges(SaveChangesOptions.BatchWithIndependentOperations) operations. // example: server doesn't support batching or number of batch objects exceeded an allowed limit. // ex could be null if the server responded to SaveChanges with an unexpected success with // response of batched GETS that did not correspond the original POST/PATCH/PUT/DELETE requests. // we expect non-null since server should have failed with a non-success code // and HandleResponse(status, ...) should generate the exception object throw exception; } } qresponse.StatusCode = (int)this.currentOperationResponse.StatusCode; queryCount++; yield return(qresponse); #endregion } else { #region Update response try { Descriptor descriptor = this.ChangedEntries[this.entryIndex]; operationCount += this.SaveResultProcessed(descriptor); if (exception != null) { throw exception; } this.HandleOperationResponseHeaders(this.currentOperationResponse.StatusCode, this.currentOperationResponse.Headers); #if DEBUG this.HandleOperationResponse(descriptor, this.currentOperationResponse.Headers, this.currentOperationResponse.StatusCode); #else this.HandleOperationResponse(descriptor, this.currentOperationResponse.Headers); #endif } catch (Exception e) { this.ChangedEntries[this.entryIndex].SaveError = e; exception = e; if (!CommonUtil.IsCatchableExceptionType(e)) { throw; } } ChangeOperationResponse changeOperationResponse = new ChangeOperationResponse(this.currentOperationResponse.Headers, this.ChangedEntries[this.entryIndex]); changeOperationResponse.StatusCode = (int)this.currentOperationResponse.StatusCode; if (exception != null) { changeOperationResponse.Error = exception; } operationCount++; this.entryIndex++; yield return(changeOperationResponse); #endregion } break; #endregion default: Error.ThrowBatchExpectedResponse(InternalError.UnexpectedBatchState); break; } } Debug.Assert(batchReader.State == ODataBatchReaderState.Completed, "unexpected batch state"); // Check for a changeset without response (first line) or GET request without response (second line). // either all saved entries must be processed or it was a batch and one of the entries has the error if ((this.Queries == null && (!changesetFound || 0 < queryCount || this.ChangedEntries.Any(o => o.ContentGeneratedForSave && o.SaveResultWasProcessed == 0) && (!this.IsBatchRequest || this.ChangedEntries.FirstOrDefault(o => o.SaveError != null) == null))) || (this.Queries != null && queryCount != this.Queries.Length)) { throw Error.InvalidOperation(Strings.Batch_IncompleteResponseCount); } } finally { // Note that this will be called only once the enumeration of all responses is finished and the Dispose // was called on the IEnumerator used for that enumeration. It is not called when the method returns, // since the compiler change this method to return the compiler-generated IEnumerable. Util.Dispose(ref this.batchMessageReader); } }
/// <summary> /// process the batch response /// </summary> /// <param name="batchReader">The batch reader to use for reading the batch response.</param> /// <returns>enumerable of QueryResponse or null</returns> /// <remarks> /// The batch message reader for the entire batch response is stored in this.batchMessageReader. /// Note that this method takes over the ownership of this reader and must Dispose it if it successfully returns. /// </remarks> private IEnumerable<OperationResponse> HandleBatchResponse(ODataBatchReader batchReader) { try { if (this.batchMessageReader == null) { // The enumerable returned by this method can be enumerated multiple times. // In that case it looks like if the method is called multiple times. // This didn't fail in previous versions, it simply returned no results, so we need to do the same. yield break; } Debug.Assert(batchReader != null, "batchReader != null"); bool changesetFound = false; bool insideChangeset = false; int queryCount = 0; int operationCount = 0; this.entryIndex = 0; while (batchReader.Read()) { switch (batchReader.State) { #region ChangesetStart case ODataBatchReaderState.ChangesetStart: if ((Util.IsBatchWithSingleChangeset(this.Options) && changesetFound) || (operationCount != 0)) { // Throw if we encounter multiple changesets when running in batch with single changeset mode // or if we encounter operations outside of a changeset. Error.ThrowBatchUnexpectedContent(InternalError.UnexpectedBeginChangeSet); } insideChangeset = true; break; #endregion #region ChangesetEnd case ODataBatchReaderState.ChangesetEnd: changesetFound = true; operationCount = 0; insideChangeset = false; break; #endregion #region Operation case ODataBatchReaderState.Operation: Exception exception = this.ProcessCurrentOperationResponse(batchReader, insideChangeset); if (!insideChangeset) { #region Get response Debug.Assert(operationCount == 0, "missing an EndChangeSet 2"); QueryOperationResponse qresponse = null; try { if (exception == null) { DataServiceRequest query = this.Queries[queryCount]; ResponseInfo responseInfo = this.RequestInfo.GetDeserializationInfo(null /*mergeOption*/); MaterializeAtom materializer = DataServiceRequest.Materialize( responseInfo, query.QueryComponents(this.RequestInfo.Model), null, this.currentOperationResponse.Headers.GetHeader(XmlConstants.HttpContentType), this.currentOperationResponse.CreateResponseMessage(), query.PayloadKind); qresponse = QueryOperationResponse.GetInstance(query.ElementType, this.currentOperationResponse.Headers, query, materializer); } } catch (ArgumentException e) { exception = e; } catch (FormatException e) { exception = e; } catch (InvalidOperationException e) { exception = e; } if (qresponse == null) { if (this.Queries != null) { // this is the normal ExecuteBatch response DataServiceRequest query = this.Queries[queryCount]; if (this.RequestInfo.IgnoreResourceNotFoundException && this.currentOperationResponse.StatusCode == HttpStatusCode.NotFound) { qresponse = QueryOperationResponse.GetInstance(query.ElementType, this.currentOperationResponse.Headers, query, MaterializeAtom.EmptyResults); } else { qresponse = QueryOperationResponse.GetInstance(query.ElementType, this.currentOperationResponse.Headers, query, MaterializeAtom.EmptyResults); qresponse.Error = exception; } } else { // This is top-level failure for SaveChanges(SaveChangesOptions.BatchWithSingleChangeset) or SaveChanges(SaveChangesOptions.BatchWithIndependentOperations) operations. // example: server doesn't support batching or number of batch objects exceeded an allowed limit. // ex could be null if the server responded to SaveChanges with an unexpected success with // response of batched GETS that did not correspond the original POST/PATCH/PUT/DELETE requests. // we expect non-null since server should have failed with a non-success code // and HandleResponse(status, ...) should generate the exception object throw exception; } } qresponse.StatusCode = (int)this.currentOperationResponse.StatusCode; queryCount++; yield return qresponse; #endregion } else { #region Update response try { Descriptor descriptor = this.ChangedEntries[this.entryIndex]; operationCount += this.SaveResultProcessed(descriptor); if (exception != null) { throw exception; } this.HandleOperationResponseHeaders(this.currentOperationResponse.StatusCode, this.currentOperationResponse.Headers); #if DEBUG this.HandleOperationResponse(descriptor, this.currentOperationResponse.Headers, this.currentOperationResponse.StatusCode); #else this.HandleOperationResponse(descriptor, this.currentOperationResponse.Headers); #endif } catch (Exception e) { this.ChangedEntries[this.entryIndex].SaveError = e; exception = e; if (!CommonUtil.IsCatchableExceptionType(e)) { throw; } } ChangeOperationResponse changeOperationResponse = new ChangeOperationResponse(this.currentOperationResponse.Headers, this.ChangedEntries[this.entryIndex]); changeOperationResponse.StatusCode = (int)this.currentOperationResponse.StatusCode; if (exception != null) { changeOperationResponse.Error = exception; } operationCount++; this.entryIndex++; yield return changeOperationResponse; #endregion } break; #endregion default: Error.ThrowBatchExpectedResponse(InternalError.UnexpectedBatchState); break; } } Debug.Assert(batchReader.State == ODataBatchReaderState.Completed, "unexpected batch state"); // Check for a changeset without response (first line) or GET request without response (second line). // either all saved entries must be processed or it was a batch and one of the entries has the error if ((this.Queries == null && (!changesetFound || 0 < queryCount || this.ChangedEntries.Any(o => o.ContentGeneratedForSave && o.SaveResultWasProcessed == 0) && (!this.IsBatchRequest || this.ChangedEntries.FirstOrDefault(o => o.SaveError != null) == null))) || (this.Queries != null && queryCount != this.Queries.Length)) { throw Error.InvalidOperation(Strings.Batch_IncompleteResponseCount); } } finally { // Note that this will be called only once the enumeration of all responses is finished and the Dispose // was called on the IEnumerator used for that enumeration. It is not called when the method returns, // since the compiler change this method to return the compiler-generated IEnumerable. Util.Dispose(ref this.batchMessageReader); } }
/// <summary> /// Handle the response. /// </summary> /// <returns>an instance of the DataServiceResponse, containing individual responses for all the requests made during this SaveChanges call.</returns> protected override DataServiceResponse HandleResponse() { List<OperationResponse> responses = new List<OperationResponse>(this.cachedResponses != null ? this.cachedResponses.Count : 0); DataServiceResponse service = new DataServiceResponse(null, -1, responses, false /*isBatch*/); Exception ex = null; try { foreach (CachedResponse response in this.cachedResponses) { Descriptor descriptor = response.Descriptor; this.SaveResultProcessed(descriptor); OperationResponse operationResponse = new ChangeOperationResponse(response.Headers, descriptor); operationResponse.StatusCode = (int)response.StatusCode; if (response.Exception != null) { operationResponse.Error = response.Exception; if (ex == null) { ex = response.Exception; } } else { this.cachedResponse = response; #if DEBUG this.HandleOperationResponse(descriptor, response.Headers, response.StatusCode); #else this.HandleOperationResponse(descriptor, response.Headers); #endif } responses.Add(operationResponse); } } catch (InvalidOperationException e) { ex = e; } if (ex != null) { throw new DataServiceRequestException(Strings.DataServiceException_GeneralError, ex, service); } return service; }
public ChangesetResponseWrapper(ChangeOperationResponse cr) : base(cr) { this._ChangesetResponse = cr; }