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);
if (functionImportDefinition.IsComposableAttribute)
{
model.ConceptualToStoreMapping.AddFunctionImportMapping(
new FunctionImportMappingComposable(
functionImportDefinition,
storeFunctionDefinition,
new FunctionImportResultMapping(),
model.ConceptualToStoreMapping));
}
else
{
model.ConceptualToStoreMapping.AddFunctionImportMapping(
new FunctionImportMappingNonComposable(
functionImportDefinition,
storeFunctionDefinition,
new FunctionImportResultMapping[0],
model.ConceptualToStoreMapping));
}
}
}
// TODO: model defined functions?
}
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?
}
