/// <summary>
/// Creates an Edm property.
/// </summary>
/// <param name="declaringType">Type declaring this property.</param>
/// <param name="propertyInfo">PropertyInfo instance for this property.</param>
/// <returns>Returns a new instance of Edm property.</returns>
private IEdmProperty CreateEdmProperty(IEdmStructuredType declaringType, PropertyInfo propertyInfo)
{
IEdmType propertyEdmType = this.GetOrCreateEdmType(propertyInfo.PropertyType);
Debug.Assert(
propertyEdmType.TypeKind == EdmTypeKind.Entity ||
propertyEdmType.TypeKind == EdmTypeKind.Complex ||
propertyEdmType.TypeKind == EdmTypeKind.Enum ||
propertyEdmType.TypeKind == EdmTypeKind.Primitive ||
propertyEdmType.TypeKind == EdmTypeKind.Collection,
"Property kind should be Entity, Complex, Enum, Primitive or Collection.");
IEdmProperty edmProperty = null;
bool isPropertyNullable = ClientTypeUtil.CanAssignNull(propertyInfo.PropertyType);
if (propertyEdmType.TypeKind == EdmTypeKind.Entity || (propertyEdmType.TypeKind == EdmTypeKind.Collection && ((IEdmCollectionType)propertyEdmType).ElementType.TypeKind() == EdmTypeKind.Entity))
{
if (declaringType.TypeKind == EdmTypeKind.Entity || declaringType.TypeKind == EdmTypeKind.Complex)
{
if (declaringType as IEdmEntityType == null && declaringType as IEdmComplexType == null)
{
throw c.Error.InvalidOperation(c.Strings.ClientTypeCache_NonEntityTypeOrNonComplexTypeCannotContainEntityProperties(propertyInfo.Name, propertyInfo.DeclaringType.ToString()));
}
// Create a navigation property representing one side of an association.
// The partner representing the other side exists only inside this property and is not added to the target entity type,
// so it should not cause any name collisions.
edmProperty = EdmNavigationProperty.CreateNavigationPropertyWithPartner(
ClientTypeUtil.GetServerDefinedName(propertyInfo),
propertyEdmType.ToEdmTypeReference(isPropertyNullable),
/*dependentProperties*/ null,
/*principalProperties*/ null,
/*containsTarget*/ false,
EdmOnDeleteAction.None,
"Partner",
declaringType.ToEdmTypeReference(true),
/*partnerDependentProperties*/ null,
/*partnerPrincipalProperties*/ null,
/*partnerContainsTarget*/ false,
EdmOnDeleteAction.None);
}
}
else
{
edmProperty = new EdmStructuralProperty(declaringType, ClientTypeUtil.GetServerDefinedName(propertyInfo), propertyEdmType.ToEdmTypeReference(isPropertyNullable));
}
edmProperty.SetClientPropertyAnnotation(new ClientPropertyAnnotation(edmProperty, propertyInfo, this));
return(edmProperty);
}
/// <inheritdoc />
public IEdmTypeReference GetEdmType()
{
if (InstanceType != null)
{
IEdmStructuredType structuredType = Model.FindType(InstanceType) as IEdmStructuredType;
IEdmEntityType entityType = structuredType as IEdmEntityType;
if (entityType != null)
{
return(entityType.ToEdmTypeReference(true));
}
return(structuredType.ToEdmTypeReference(true));
}
Type elementType = GetElementType();
return(Model.GetTypeMappingCache().GetEdmType(elementType, Model));
}
/// <inheritdoc />
public IEdmTypeReference GetEdmType()
{
IEdmModel model = GetModel();
if (InstanceType != null)
{
IEdmStructuredType structuredType = model.FindType(InstanceType) as IEdmStructuredType;
IEdmEntityType entityType = structuredType as IEdmEntityType;
if (entityType != null)
{
return(entityType.ToEdmTypeReference(true));
}
return(structuredType.ToEdmTypeReference(true));
}
Type elementType = GetElementType();
return(model.GetEdmTypeReference(elementType));
}
/// <summary>
/// Deserializes the given <paramref name="deltaResourceSet"/> under the given <paramref name="readContext"/>.
/// </summary>
/// <param name="deltaResourceSet">The delta resource set to deserialize.</param>
/// <param name="readContext">The deserializer context.</param>
/// <returns>The deserialized resource set object.</returns>
public virtual IEnumerable ReadDeltaResourceSet(ODataDeltaResourceSetWrapper deltaResourceSet, ODataDeserializerContext readContext)
{
if (deltaResourceSet == null)
{
throw Error.ArgumentNull(nameof(deltaResourceSet));
}
if (readContext == null)
{
throw Error.ArgumentNull(nameof(readContext));
}
// resource
foreach (ODataResourceBaseWrapper resourceBaseWrapper in deltaResourceSet.ResourceBases)
{
ODataResourceWrapper resourceWrapper = resourceBaseWrapper as ODataResourceWrapper;
ODataDeletedResourceWrapper deletedResourceWrapper = resourceBaseWrapper as ODataDeletedResourceWrapper;
if (resourceWrapper != null)
{
IEdmModel model = readContext.Model;
if (model == null)
{
throw Error.Argument("readContext", SRResources.ModelMissingFromReadContext);
}
IEdmStructuredType actualType = model.FindType(resourceWrapper.Resource.TypeName) as IEdmStructuredType;
if (actualType == null)
{
throw new ODataException(Error.Format(SRResources.ResourceTypeNotInModel, resourceWrapper.Resource.TypeName));
}
IEdmTypeReference edmTypeReference = actualType.ToEdmTypeReference(true);
ODataEdmTypeDeserializer deserializer = DeserializerProvider.GetEdmTypeDeserializer(edmTypeReference);
if (deserializer == null)
{
throw new SerializationException(
Error.Format(SRResources.TypeCannotBeDeserialized, edmTypeReference.FullName()));
}
// TODO: normal resource
yield return(deserializer.ReadInline(resourceWrapper, edmTypeReference, readContext));
}
else
{
// TODO: deleted resource
}
}
// Delta links
foreach (ODataDeltaLinkBaseWrapper deltaLinkBaseWrapper in deltaResourceSet.DeltaLinks)
{
ODataDeltaDeletedLinkWrapper deletedLinkWrapper = deltaLinkBaseWrapper as ODataDeltaDeletedLinkWrapper;
if (deletedLinkWrapper != null)
{
yield return(ReadDeltaDeletedLink(deletedLinkWrapper, readContext));
}
else
{
yield return(ReadDeltaLink((ODataDeltaLinkWrapper)deltaLinkBaseWrapper, readContext));
}
}
}
/// <inheritdoc/>
public IEdmTypeReference GetEdmType()
{
return(_actualEdmType.ToEdmTypeReference(IsNullable));
}
/// <summary>
/// Deserializes the given <paramref name="deltaResourceSet"/> under the given <paramref name="readContext"/>.
/// </summary>
/// <param name="deltaResourceSet">The delta resource set to deserialize.</param>
/// <param name="elementType">The element type.</param>
/// <param name="readContext">The deserializer context.</param>
/// <returns>The deserialized resource set object.</returns>
public virtual IEnumerable ReadDeltaResourceSet(ODataDeltaResourceSetWrapper deltaResourceSet, IEdmStructuredTypeReference elementType, ODataDeserializerContext readContext)
{
if (deltaResourceSet == null)
{
throw Error.ArgumentNull(nameof(deltaResourceSet));
}
if (readContext == null)
{
throw Error.ArgumentNull(nameof(readContext));
}
// Delta Items
foreach (ODataItemWrapper itemWrapper in deltaResourceSet.DeltaItems)
{
// Deleted Link
ODataDeltaDeletedLinkWrapper deletedLinkWrapper = itemWrapper as ODataDeltaDeletedLinkWrapper;
if (deletedLinkWrapper != null)
{
yield return(ReadDeltaDeletedLink(deletedLinkWrapper, elementType, readContext));
}
// Added Link
ODataDeltaLinkWrapper deltaLinkWrapper = itemWrapper as ODataDeltaLinkWrapper;
if (deltaLinkWrapper != null)
{
yield return(ReadDeltaLink(deltaLinkWrapper, elementType, readContext));
}
// DeletedResource
ODataDeletedResourceWrapper deletedResourceWrapper = itemWrapper as ODataDeletedResourceWrapper;
if (deletedResourceWrapper != null)
{
// TODO: deleted resource
yield return(null);
}
// Added resource or updated resource
ODataResourceWrapper resourceWrapper = itemWrapper as ODataResourceWrapper;
if (resourceWrapper != null)
{
IEdmModel model = readContext.Model;
if (model == null)
{
throw Error.Argument("readContext", SRResources.ModelMissingFromReadContext);
}
IEdmStructuredType actualType = model.FindType(resourceWrapper.Resource.TypeName) as IEdmStructuredType;
if (actualType == null)
{
throw new ODataException(Error.Format(SRResources.ResourceTypeNotInModel, resourceWrapper.Resource.TypeName));
}
IEdmTypeReference edmTypeReference = actualType.ToEdmTypeReference(true);
ODataEdmTypeDeserializer deserializer = DeserializerProvider.GetEdmTypeDeserializer(edmTypeReference);
if (deserializer == null)
{
throw new SerializationException(
Error.Format(SRResources.TypeCannotBeDeserialized, edmTypeReference.FullName()));
}
// TODO: normal resource
// yield return deserializer.ReadInline(resourceWrapper, edmTypeReference, readContext);
if (readContext.IsDeltaOfT)
{
Type elementClrType = readContext.Model.GetClrType(elementType);
Type deltaType = typeof(Deltas.Delta <>).MakeGenericType(elementClrType);
Deltas.IDelta delta = Activator.CreateInstance(deltaType) as Deltas.IDelta;
yield return(delta);
}
else
{
yield return(new EdmDeltaResourceObject(actualType as IEdmEntityType));
}
continue;
}
}
}