public static int ExtractTypeId(TypeInfo type, TypeIdRegistry typeIdRegistry, Tuple tuple, int typeIdIndex, out TypeReferenceAccuracy accuracy)
{
accuracy = TypeReferenceAccuracy.Hierarchy;
if (type.IsInterface)
{
accuracy = TypeReferenceAccuracy.BaseType;
}
if (typeIdIndex < 0)
{
if (type.IsLeaf)
{
accuracy = TypeReferenceAccuracy.ExactType;
}
return(typeIdRegistry.GetTypeId(type));
}
accuracy = TypeReferenceAccuracy.ExactType;
TupleFieldState state;
var value = tuple.GetValue <int>(typeIdIndex, out state);
if (type.IsLeaf)
{
return(state.HasValue() ? typeIdRegistry.GetTypeId(type) : TypeInfo.NoTypeId);
}
// Hack here: 0 (default) = TypeInfo.NoTypeId
return(value);
}
private StoredTypeInfo ConvertType(TypeInfo source)
{
var inheritedAssociatedFields = new HashSet <string>();
var declaredFields = source.Fields
.Where(field => field.IsDeclared && !field.IsNested)
.ToArray();
var sourceAncestor = source.GetAncestor();
string hierarchyRoot = null;
if (source.Hierarchy != null && source.Hierarchy.Root == source)
{
hierarchyRoot = source.Hierarchy.InheritanceSchema.ToString();
}
var associations = source.GetOwnerAssociations()
.Where(a => {
if (processedAssociations.Contains(a.Name))
{
return(false);
}
if (declaredFields.Contains(a.OwnerField))
{
return(true);
}
if (a.IsPaired)
{
inheritedAssociatedFields.Add(a.OwnerField.Name);
return(true);
}
return(false);
})
.Select(ConvertAssociation)
.ToArray();
foreach (var association in associations)
{
processedAssociations.Add(association.Name);
}
var fields = source.Fields
.Where(field => (field.IsDeclared && !field.IsNested) || inheritedAssociatedFields.Contains(field.Name))
.ToArray();
// hack: for SingleTable hierarchies mapping name is not set correctly
// and always should be taken from hierarchy root
var mappingNameSource =
source.Hierarchy != null && source.Hierarchy.InheritanceSchema == InheritanceSchema.SingleTable
? source.Hierarchy.Root
: source;
var result = new StoredTypeInfo {
Name = source.Name,
UnderlyingType = GetTypeFullName(source.UnderlyingType),
TypeId = registry != null?registry.GetTypeId(source) : TypeInfo.NoTypeId,
MappingName = mappingNameSource.MappingName,
MappingSchema = source.MappingSchema ?? string.Empty,
MappingDatabase = source.MappingDatabase ?? string.Empty,
IsEntity = source.IsEntity,
IsAbstract = source.IsAbstract,
IsInterface = source.IsInterface,
IsStructure = source.IsStructure,
IsSystem = source.IsSystem,
AncestorName = sourceAncestor != null ? sourceAncestor.Name : null,
Associations = associations,
HierarchyRoot = hierarchyRoot,
Fields = fields.Select(ConvertField).ToArray(),
};
return(result);
}