OptionalBackReference
class OptionalBackReference<ParentID : Comparable<ParentID>, out Parent : Entity<ParentID>, ChildID : Comparable<ChildID>, in Child : Entity<ChildID>, REF>(reference: Column<REF?>, factory: EntityClass<ParentID, Parent>, references: Map<Column<*>, Column<*>>? = null) : ReadOnlyProperty<Child, Parent?>
Class responsible for implementing property delegates of the read-only properties involved in an optional table relation between two Entity classes, which retrieves the child entity that optionally references the parent entity.
Parameters
reference
The nullable reference column defined on the child entity's associated table.
factory
The EntityClass associated with the child entity that optionally references the parent entity.