/// <summary>
/// Resolves the specified entity model schema type and returns the Edm model type for it.
/// </summary>
/// <param name="model">The model to get the type from.</param>
/// <param name="schemaType">The entity model schema type to resolve.</param>
/// <returns>The resolved type for the specified <paramref name="schemaType"/>.</returns>
public static IEdmTypeReference ResolveEntityModelSchemaType(IEdmModel model, DataType schemaType)
{
if (schemaType == null)
{
return(null);
}
PrimitiveDataType primitiveDataType = schemaType as PrimitiveDataType;
if (primitiveDataType != null)
{
return(GetPrimitiveTypeReference(primitiveDataType));
}
if (model == null)
{
return(null);
}
EntityDataType entityDataType = schemaType as EntityDataType;
if (entityDataType != null)
{
IEdmNamedElement edmType = model.FindType(entityDataType.Definition.FullName);
ExceptionUtilities.Assert(
edmType != null,
"The expected entity type '{0}' was not found in the entity model for this test.",
entityDataType.Definition.FullName);
IEdmEntityType entityType = edmType as IEdmEntityType;
ExceptionUtilities.Assert(
entityType != null,
"The expected entity type '{0}' is not defined as entity type in the test's metadata.",
entityDataType.Definition.FullName);
return(entityType.ToTypeReference());
}
ComplexDataType complexDataType = schemaType as ComplexDataType;
if (complexDataType != null)
{
return(GetComplexType(model, complexDataType));
}
CollectionDataType collectionDataType = schemaType as CollectionDataType;
if (collectionDataType != null)
{
DataType collectionElementType = collectionDataType.ElementDataType;
PrimitiveDataType primitiveElementType = collectionElementType as PrimitiveDataType;
if (primitiveElementType != null)
{
IEdmPrimitiveTypeReference primitiveElementTypeReference = GetPrimitiveTypeReference(primitiveElementType);
return(primitiveElementTypeReference.ToCollectionTypeReference());
}
ComplexDataType complexElementType = collectionElementType as ComplexDataType;
if (complexElementType != null)
{
IEdmComplexTypeReference complexElementTypeReference = GetComplexType(model, complexElementType);
return(complexElementTypeReference.ToCollectionTypeReference());
}
EntityDataType entityElementType = collectionElementType as EntityDataType;
if (entityElementType != null)
{
IEdmEntityTypeReference entityElementTypeReference = GetEntityType(model, entityElementType);
return(entityElementTypeReference.ToCollectionTypeReference());
}
throw new NotSupportedException("Collection types only support primitive, complex, and entity element types.");
}
StreamDataType streamType = schemaType as StreamDataType;
if (streamType != null)
{
Type systemType = streamType.GetFacet <PrimitiveClrTypeFacet>().Value;
ExceptionUtilities.Assert(systemType == typeof(Stream), "Expected the system type 'System.IO.Stream' for a stream reference property.");
return(MetadataUtils.GetPrimitiveTypeReference(systemType));
}
throw new NotImplementedException("Unrecognized schema type " + schemaType.GetType().Name + ".");
}
