public override Type Visit(Type type)
{
if (type.TryGetCarriedType(out var carriedType))
{
if (!_parent.Entities.ContainsKey(type))
{
if (DataTypeHelpers.IsStructuralEntityDataTypeCached(carriedType))
{
var structuralType = (StructuralDataType)DataTypeHelpers.FromTypeCached(carriedType, allowCycles: true);
_parent.Entities[type] = structuralType;
}
else
{
//
// Non-generic record types or anonymous types (created by RuntimeCompiler) may contain entities,
// so we have to grab those as well.
//
if (!carriedType.IsGenericType && DataTypeHelpers.TryFromTypeCached(carriedType, allowCycles: true, out var result) && result.Kind == DataTypeKinds.Structural)
{
var structuralType = (StructuralDataType)result;
var runtimeCompilerTypes = StructuralDataTypeKinds.Anonymous | StructuralDataTypeKinds.Record;
if ((runtimeCompilerTypes & structuralType.StructuralKind) != 0)
{
_parent.Entities[type] = structuralType;
}
}
}
}
if (!_parent.Enumerations.ContainsKey(type))
{
if (DataTypeHelpers.IsEntityEnumDataTypeCached(carriedType))
{
var primitiveType = (PrimitiveDataType)DataTypeHelpers.FromTypeCached(carriedType, allowCycles: true);
Debug.Assert(primitiveType.PrimitiveKind == PrimitiveDataTypeKinds.EntityEnum);
_parent.Enumerations[type] = primitiveType;
}
}
}
return(base.Visit(type));
}
/// <summary>
/// Creates a slim representation of a type constructor.
/// </summary>
/// <param name="originalConstructor">The original constructor.</param>
/// <param name="declaringTypeSlim">The slim representation of the declaring type.</param>
/// <param name="parameterTypeSlims">The slim representations of the constructor parameter types.</param>
/// <returns>The slim representation of the constructor.</returns>
protected override ConstructorInfoSlim GetConstructorCore(ConstructorInfo originalConstructor, TypeSlim declaringTypeSlim, ReadOnlyCollection <TypeSlim> parameterTypeSlims)
{
var slimConstructor = base.GetConstructorCore(originalConstructor, declaringTypeSlim, parameterTypeSlims);
var parameters = originalConstructor.GetParameters();
DataTypeHelpers.TryFromTypeCached(originalConstructor.DeclaringType, allowCycles: true, out var res);
if (res is StructuralDataType dataType)
{
var parameterMappings = EmptyReadOnlyCollection <string> .Instance;
if (dataType.StructuralKind == StructuralDataTypeKinds.Entity)
{
var mappings = new List <string>(parameters.Length);
var mappedCount = 0;
for (var i = 0; i < parameters.Length; ++i)
{
var mapping = parameters[i].GetCustomAttribute <MappingAttribute>(inherit: false);
if (mapping != null)
{
mappedCount++;
mappings.Add(mapping.Uri);
}
}
if (mappedCount != parameters.Length)
{
throw new InvalidOperationException(string.Format(CultureInfo.InvariantCulture, "There are '{0}' parameters in the constructor of '{1}' that do not have a mapping attributes. In order for type '{1}' to be a valid data model entity type, all of its constructors' parameters should be annotated with mapping attributes.", parameters.Length - mappedCount, originalConstructor.DeclaringType.ToCSharpStringPretty()));
}
if (mappings.Count > 0 && mappings[0] != null)
{
parameterMappings = mappings.AsReadOnly();
}
}
return(new DataModelConstructorInfoSlim(slimConstructor.DeclaringType, slimConstructor.ParameterTypes, parameterMappings));
}
return(slimConstructor);
}