private void WriteFunctionImportComplexTypeMappingElement(
FunctionImportComplexTypeMapping complexTypeMapping)
{
this._xmlWriter.WriteStartElement("ComplexTypeMapping");
this._xmlWriter.WriteAttributeString("TypeName", complexTypeMapping.ReturnType.FullName);
this.WriteFunctionImportPropertyMappingElements(complexTypeMapping.PropertyMappings.Cast <FunctionImportReturnTypeScalarPropertyMapping>());
this._xmlWriter.WriteEndElement();
}
private void WriteFunctionImportComplexTypeMappingElement(FunctionImportComplexTypeMapping complexTypeMapping)
{
DebugCheck.NotNull(complexTypeMapping);
_xmlWriter.WriteStartElement(MslConstructs.ComplexTypeMappingElement);
_xmlWriter.WriteAttributeString(MslConstructs.ComplexTypeMappingTypeNameAttribute, complexTypeMapping.ReturnType.FullName);
WriteFunctionImportPropertyMappingElements(
complexTypeMapping.PropertyMappings.Cast <FunctionImportReturnTypeScalarPropertyMapping>());
_xmlWriter.WriteEndElement();
}
private void CreateFunctionMappingComplexTypeMapping(CommandEntity entity, FunctionImportMapping importMapping)
{
//<ResultMapping>
// <ComplexTypeMapping TypeName="PetShopModel.GetCategoryById_Result">
string entityName = String.Concat(entity.Name, "Result");
var mapping = importMapping.ResultMapping != null && importMapping.ResultMapping.ComplexTypeMappings != null
? importMapping.ResultMapping.ComplexTypeMappings.FirstOrDefault()
: null;
if (mapping == null)
{
importMapping.ResultMapping = new FunctionImportMappingResultMapping()
{
ComplexTypeMappings = new List <FunctionImportComplexTypeMapping>()
};
mapping = new FunctionImportComplexTypeMapping()
{
TypeName = String.Concat(ConceptualSchema.Namespace, ".", entityName)
};
importMapping.ResultMapping.ComplexTypeMappings.Add(mapping);
}
else if (!String.IsNullOrEmpty(mapping.TypeName))
{
entityName = mapping.TypeName.Replace("IsTypeOf(", "").Replace(String.Format("{0}.", ConceptualSchema.Namespace), "").Replace(")", "");
entityName = entityName.Equals(entity.Name, StringComparison.OrdinalIgnoreCase) ? entity.Name : entityName;
}
if (ConceptualSchema.ComplexTypes.Count(c => c.Name.Equals(entityName, StringComparison.OrdinalIgnoreCase)) == 0)
{
entityName = String.Concat(entity.Name, "Result");
}
// Check for inheritance.
mapping.TypeName = String.Format("{0}.{1}", ConceptualSchema.Namespace, entityName);
_mappingEntityNames.Add(entity.EntityKey(), importMapping.FunctionImportName);
_mappingEntityNames.Add(entity.EntityKey() + "complex", entityName);
//<ComplexTypeMapping TypeName="PetShopModel.GetCategoryById_Result">
// <ScalarProperty Name="CategoryId" ColumnName="CategoryId" />
// <ScalarProperty Name="Name" ColumnName="Name" />
// <ScalarProperty Name="Description" ColumnName="Descn" />
//</ComplexTypeMapping>
MergeScalarProperties(mapping, entity);
}
private void MergeScalarProperties(FunctionImportComplexTypeMapping mappingFragment, CommandEntity entity)
{
foreach (var property in mappingFragment.ScalarProperties.Where(p => entity.Properties.Count(prop => prop.KeyName.Equals(p.ColumnName, StringComparison.OrdinalIgnoreCase)) == 0))
{
_mappingDroppedEntityPropertyNames[String.Format(PROPERTY_KEY, entity.EntityKeyName, property.ColumnName)] = property.Name;
}
var properties = new List <ScalarProperty>();
foreach (var property in entity.Properties)
{
var prop = mappingFragment.ScalarProperties.Where(p => p.ColumnName.Equals(property.KeyName, StringComparison.OrdinalIgnoreCase)).FirstOrDefault();
if (prop == null)
{
// The property doesn't exist so lets create it.
prop = new ScalarProperty()
{
Name = property.Name
};
}
else if (!property.Name.Equals(prop.Name, StringComparison.OrdinalIgnoreCase)) // Column matches that in the database.. If the names are different, it wins.
{
// The propertyName has been updated.
// TODO: Is there a better way to find out if they renamed the Property?
//prop.Name = prop.Name;
}
else
{
// Update the propertyName so it is always current with SchemaHelper.
prop.Name = property.Name;
}
prop.ColumnName = property.KeyName;
if (!ExcludeProperty(property as ISchemaProperty) && properties.Count(p => p.Name.Equals(prop.Name, StringComparison.OrdinalIgnoreCase)) == 0)
{
properties.Add(prop);
_mappingEntityPropertyNames[String.Format("{0}-{1}", entity.Name, property.KeyName)] = prop.Name;
}
}
mappingFragment.ScalarProperties = properties.Distinct().ToList();
}
public void Apply(EntityContainer item, DbModel model)
{
var functionDescriptors = new FunctionDiscovery(model, _methodClassType).FindFunctions();
var storeFunctionBuilder = new StoreFunctionBuilder(model, _defaultSchema);
foreach (var functionDescriptor in functionDescriptors)
{
var storeFunctionDefinition = storeFunctionBuilder.Create(functionDescriptor);
model.StoreModel.AddItem(storeFunctionDefinition);
if (functionDescriptor.StoreFunctionKind != StoreFunctionKind.ScalarUserDefinedFunction)
{
var functionImportDefinition = CreateFunctionImport(model, functionDescriptor);
model.ConceptualModel.Container.AddFunctionImport(functionImportDefinition);
List <FunctionImportResultMapping> resultMappings = new List <FunctionImportResultMapping>();
if (functionDescriptor.ReturnTypes.All(t => t is EntityType || t is ComplexType))
{
foreach (EdmType returnType in functionDescriptor.ReturnTypes)
{
FunctionImportStructuralTypeMapping typeMapping;
if (returnType is EntityType)
{
var entityType = (EntityType)returnType;
var returnTypePropertyMappings = new Collection <FunctionImportReturnTypePropertyMapping>();
foreach (var propertyMapping in model.GetEntityTypePropertyMappings(entityType).OfType <ScalarPropertyMapping>())
{
returnTypePropertyMappings.Add(new FunctionImportReturnTypeScalarPropertyMapping(propertyMapping.Property.Name, propertyMapping.Column.Name));
}
typeMapping = new FunctionImportEntityTypeMapping(
Enumerable.Empty <EntityType>(),
new[] { entityType },
returnTypePropertyMappings,
Enumerable.Empty <FunctionImportEntityTypeMappingCondition>());
}
else // ComplexType
{
var complexType = (ComplexType)returnType;
var returnTypePropertyMappings = new Collection <FunctionImportReturnTypePropertyMapping>();
foreach (var property in complexType.Properties)
{
returnTypePropertyMappings.Add(new FunctionImportReturnTypeScalarPropertyMapping(property.Name, property.Name));
}
typeMapping = new FunctionImportComplexTypeMapping(complexType, returnTypePropertyMappings);
}
FunctionImportResultMapping resultMapping = new FunctionImportResultMapping();
resultMappings.Add(resultMapping);
resultMapping.AddTypeMapping(typeMapping);
}
}
if (functionImportDefinition.IsComposableAttribute)
{
model.ConceptualToStoreMapping.AddFunctionImportMapping(
new FunctionImportMappingComposable(
functionImportDefinition,
storeFunctionDefinition,
resultMappings.FirstOrDefault() ?? new FunctionImportResultMapping(),
model.ConceptualToStoreMapping));
}
else
{
// HACK: Currently, FunctionImportMappingNonComposable ctor does not support code-first construction because
// it depends on EdmItemCollection being available from StorageMappingItemCollection. Code-first does
// not create a StorageMappingItemCollection and, as a result, this ctor will throw a null reference
// exception if any result mappings are passed to it in code-first context. This must be resolved in
// EF itself. Until then, _only composable functions can support custom named column mappings_. Once
// this issue is resolved in EF then the commented code should replace the current "empty array"
// resultMapping parameter to enable custom mappings for non-composable functions as well:
model.ConceptualToStoreMapping.AddFunctionImportMapping(
new FunctionImportMappingNonComposable(
functionImportDefinition,
storeFunctionDefinition,
// resultMappings.Any() ? resultMappings.ToArray() : new FunctionImportResultMapping[0],
new FunctionImportResultMapping[0],
model.ConceptualToStoreMapping));
}
}
}
// TODO: model defined functions?
}
