internal static Type UnwrapPrimaryKey(Type type, PropertyRoute[] routes)
{
if (type.UnNullify() == typeof(PrimaryKey))
{
return routes.Select(r => PrimaryKey.Type(r.RootType)).Distinct().SingleEx().Nullify();
}
return type;
}
internal static Entities.Implementations? GetImplementations(PropertyRoute[] propertyRoutes, Type cleanType)
{
if (!cleanType.IsIIdentifiable() && !cleanType.IsLite())
return (Implementations?)null;
var only = propertyRoutes.Only();
if (only != null && only.PropertyRouteType == PropertyRouteType.Root)
return Signum.Entities.Implementations.By(cleanType);
var aggregate = AggregateImplementations(propertyRoutes.Select(pr => pr.GetImplementations()));
return aggregate;
}
internal static Expression UnwrapPrimaryKey(Expression expression, PropertyRoute[] routes)
{
if (expression.Type.UnNullify() == typeof(PrimaryKey))
{
var unwrappedType = routes.Select(r => PrimaryKey.Type(r.RootType)).Distinct().SingleEx();
return Expression.Convert(Expression.Field(expression.UnNullify(), "Object"), unwrappedType.Nullify());
}
return expression;
}