/// <summary>
/// Writes an entity reference link.
/// </summary>
/// <param name="binding">The link descriptor.</param>
/// <param name="requestMessage">The request message used for writing the payload.</param>
internal void WriteEntityReferenceLink(LinkDescriptor binding, ODataRequestMessageWrapper requestMessage)
#endif
{
using (ODataMessageWriter messageWriter = Serializer.CreateMessageWriter(requestMessage, this.requestInfo, false /*isParameterPayload*/))
{
EntityDescriptor targetResource = this.requestInfo.EntityTracker.GetEntityDescriptor(binding.Target);
Uri targetResourceEditLink;
if (null != targetResource.GetLatestIdentity())
{
// When we write the uri in the payload, we need to make sure that we write the edit
// link in the payload, since the request uri is the edit link of the parent entity.
// Think of a read/write service - since the uri is the target link to the parent entity
// its better that we write the edit link of the child entity in the payload.
targetResourceEditLink = targetResource.GetResourceUri(this.requestInfo.BaseUriResolver, false /*queryLink*/);
}
else
{
#if DEBUG
Debug.Assert(isBatch, "we should be cross-referencing entities only in batch scenarios");
#endif
targetResourceEditLink = UriUtil.CreateUri("$" + targetResource.ChangeOrder.ToString(CultureInfo.InvariantCulture), UriKind.Relative);
}
ODataEntityReferenceLink referenceLink = new ODataEntityReferenceLink();
referenceLink.Url = targetResourceEditLink;
messageWriter.WriteEntityReferenceLink(referenceLink);
}
}
/// <summary>
/// Write the entry element.
/// </summary>
/// <param name="entityDescriptor">The entity.</param>
/// <param name="relatedLinks">Collection of links related to the entity.</param>
/// <param name="requestMessage">The OData request message.</param>
internal void WriteEntry(EntityDescriptor entityDescriptor, IEnumerable <LinkDescriptor> relatedLinks, ODataRequestMessageWrapper requestMessage)
{
ClientEdmModel model = this.requestInfo.Model;
ClientTypeAnnotation entityType = model.GetClientTypeAnnotation(model.GetOrCreateEdmType(entityDescriptor.Entity.GetType()));
using (ODataMessageWriter messageWriter = Serializer.CreateMessageWriter(requestMessage, this.requestInfo, false /*isParameterPayload*/))
{
ODataWriterWrapper entryWriter = ODataWriterWrapper.CreateForEntry(messageWriter, this.requestInfo.Configurations.RequestPipeline);
// Get the server type name using the type resolver or from the entity descriptor
string serverTypeName = this.requestInfo.GetServerTypeName(entityDescriptor);
var entry = CreateODataEntry(entityDescriptor, serverTypeName, entityType, this.requestInfo.Format);
// Add the annotation required for writing the payload into an XElement
// for firing WritingEntity events
if (this.requestInfo.HasWritingEventHandlers)
{
entry.SetAnnotation(new WritingEntityInfo(entityDescriptor.Entity, this.requestInfo));
}
if (serverTypeName == null)
{
serverTypeName = this.requestInfo.InferServerTypeNameFromServerModel(entityDescriptor);
}
entry.Properties = this.propertyConverter.PopulateProperties(entityDescriptor.Entity, serverTypeName, entityType.PropertiesToSerialize());
entryWriter.WriteStart(entry, entityDescriptor.Entity);
if (EntityStates.Added == entityDescriptor.State)
{
this.WriteNavigationLink(entityDescriptor, relatedLinks, entryWriter);
}
entryWriter.WriteEnd(entry, entityDescriptor.Entity);
}
}
private ODataRequestMessageWrapper GenerateBatchRequest()
{
if ((base.ChangedEntries.Count == 0) && (this.Queries == null))
{
base.SetCompleted();
return(null);
}
ODataRequestMessageWrapper requestMessage = this.CreateBatchRequest();
using (ODataMessageWriter writer = Serializer.CreateMessageWriter(requestMessage, base.RequestInfo))
{
ODataUtils.SetHeadersForPayload(writer, ODataPayloadKind.Batch);
requestMessage.FireSendingRequest2(null);
this.batchWriter = writer.CreateODataBatchWriter();
this.batchWriter.WriteStartBatch();
if (this.Queries != null)
{
for (int i = 0; i < this.Queries.Length; i++)
{
Uri requestUri = base.RequestInfo.BaseUriResolver.CreateAbsoluteUriIfNeeded(this.Queries[i].QueryComponents(base.RequestInfo.MaxProtocolVersion).Uri);
ODataRequestMessageWrapper wrapper2 = this.CreateRequestMessage(requestUri, "GET");
Version requestVersion = this.Queries[i].QueryComponents(base.RequestInfo.MaxProtocolVersion).Version;
WebUtil.SetOperationVersionHeaders(wrapper2, requestVersion, base.RequestInfo.MaxProtocolVersionAsVersion);
wrapper2.FireSendingRequest2(null);
}
}
else if (0 < base.ChangedEntries.Count)
{
this.batchWriter.WriteStartChangeset();
ClientEdmModel model = ClientEdmModel.GetModel(base.RequestInfo.MaxProtocolVersion);
for (int j = 0; j < base.ChangedEntries.Count; j++)
{
Descriptor descriptor = base.ChangedEntries[j];
if (!descriptor.ContentGeneratedForSave)
{
ODataRequestMessageWrapper wrapper3;
EntityDescriptor entityDescriptor = descriptor as EntityDescriptor;
if (descriptor.DescriptorKind == DescriptorKind.Entity)
{
if (entityDescriptor.State != EntityStates.Added)
{
if (((entityDescriptor.State == EntityStates.Unchanged) || (entityDescriptor.State == EntityStates.Modified)) && (entityDescriptor.SaveStream != null))
{
throw System.Data.Services.Client.Error.NotSupported(System.Data.Services.Client.Strings.Context_BatchNotSupportedForMediaLink);
}
}
else if (model.GetClientTypeAnnotation(model.GetOrCreateEdmType(entityDescriptor.Entity.GetType())).IsMediaLinkEntry || entityDescriptor.IsMediaLinkEntry)
{
throw System.Data.Services.Client.Error.NotSupported(System.Data.Services.Client.Strings.Context_BatchNotSupportedForMediaLink);
}
}
else if (descriptor.DescriptorKind == DescriptorKind.NamedStream)
{
throw System.Data.Services.Client.Error.NotSupported(System.Data.Services.Client.Strings.Context_BatchNotSupportedForNamedStreams);
}
if (descriptor.DescriptorKind == DescriptorKind.Entity)
{
wrapper3 = base.CreateRequest(entityDescriptor);
}
else
{
wrapper3 = base.CreateRequest((LinkDescriptor)descriptor);
}
wrapper3.FireSendingRequest2(descriptor);
base.CreateChangeData(j, wrapper3);
}
}
this.batchWriter.WriteEndChangeset();
}
this.batchWriter.WriteEndBatch();
this.batchWriter.Flush();
}
return(requestMessage);
}
/// <summary>
/// Writes the body operation parameters associated with a ServiceAction.
/// </summary>
/// <param name="operationParameters">The list of operation parameters to write.</param>
/// <param name="requestMessage">The OData request message used to write the operation parameters.</param>
internal void WriteBodyOperationParameters(List <BodyOperationParameter> operationParameters, ODataRequestMessageWrapper requestMessage)
{
Debug.Assert(requestMessage != null, "requestMessage != null");
Debug.Assert(operationParameters != null, "operationParameters != null");
Debug.Assert(operationParameters.Any(), "operationParameters.Any()");
using (ODataMessageWriter messageWriter = Serializer.CreateMessageWriter(requestMessage, this.requestInfo, true /*isParameterPayload*/))
{
ODataParameterWriter parameterWriter = messageWriter.CreateODataParameterWriter(null);
parameterWriter.WriteStart();
foreach (OperationParameter operationParameter in operationParameters)
{
if (operationParameter.Value == null)
{
parameterWriter.WriteValue(operationParameter.Name, operationParameter.Value);
}
else
{
ClientEdmModel model = this.requestInfo.Model;
IEdmType edmType = model.GetOrCreateEdmType(operationParameter.Value.GetType());
Debug.Assert(edmType != null, "edmType != null");
switch (edmType.TypeKind)
{
case EdmTypeKind.Collection:
{
Collections.IEnumerator enumerator = ((ICollection)operationParameter.Value).GetEnumerator();
ODataCollectionWriter collectionWriter = parameterWriter.CreateCollectionWriter(operationParameter.Name);
ODataCollectionStart odataCollectionStart = new ODataCollectionStart();
collectionWriter.WriteStart(odataCollectionStart);
while (enumerator.MoveNext())
{
Object collectionItem = enumerator.Current;
if (collectionItem == null)
{
throw new NotSupportedException(Strings.Serializer_NullCollectionParamterItemValue(operationParameter.Name));
}
IEdmType edmItemType = model.GetOrCreateEdmType(collectionItem.GetType());
Debug.Assert(edmItemType != null, "edmItemType != null");
switch (edmItemType.TypeKind)
{
case EdmTypeKind.Complex:
{
Debug.Assert(model.GetClientTypeAnnotation(edmItemType).ElementType != null, "edmItemType.GetClientTypeAnnotation().ElementType != null");
ODataComplexValue complexValue = this.propertyConverter.CreateODataComplexValue(
model.GetClientTypeAnnotation(edmItemType).ElementType,
collectionItem,
null /*propertyName*/,
false /*isCollectionItem*/,
null /*visitedComplexTypeObjects*/);
Debug.Assert(complexValue != null, "complexValue != null");
collectionWriter.WriteItem(complexValue);
break;
}
case EdmTypeKind.Primitive:
{
collectionWriter.WriteItem(collectionItem);
break;
}
default:
// EdmTypeKind.Entity
// EdmTypeKind.Row
// EdmTypeKind.EntityReference
// EdmTypeKind.Enum.
throw new NotSupportedException(Strings.Serializer_InvalidCollectionParamterItemType(operationParameter.Name, edmItemType.TypeKind));
}
}
collectionWriter.WriteEnd();
collectionWriter.Flush();
break;
}
case EdmTypeKind.Complex:
{
Debug.Assert(model.GetClientTypeAnnotation(edmType).ElementType != null, "model.GetClientTypeAnnotation(edmType).ElementType != null");
ODataComplexValue complexValue = this.propertyConverter.CreateODataComplexValue(
model.GetClientTypeAnnotation(edmType).ElementType,
operationParameter.Value,
null /*propertyName*/,
false /*isCollectionItemType*/,
null /*visitedComplexTypeObjects*/);
Debug.Assert(complexValue != null, "complexValue != null");
parameterWriter.WriteValue(operationParameter.Name, complexValue);
break;
}
case EdmTypeKind.Primitive:
parameterWriter.WriteValue(operationParameter.Name, operationParameter.Value);
break;
default:
// EdmTypeKind.Entity
// EdmTypeKind.Row
// EdmTypeKind.EntityReference
// EdmTypeKind.Enum.
throw new NotSupportedException(Strings.Serializer_InvalidParameterType(operationParameter.Name, edmType.TypeKind));
}
} // else
} // foreach
parameterWriter.WriteEnd();
parameterWriter.Flush();
}
}