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I had a similar problem. I receive a minimal abstract object and changed it into a specialized one to make life easier. What I did was creating a new class "Labrador" with the superclass "Dog" and a role "LabradorMethodsAndAtributes". Well, in my case it wasn't dogs.

Shortened, adjusted, unrunable code:

my $class_name = "Felidae::Tiger"; # Does the class already exist? return $class_name if is_class_loaded($class_name); # No, create it my $superclass = "Felidae"; my $role_name = "Felidae::Role::Tiger"; # create the Role my $role = Moose::Meta::Role->create($role_name); # A leopard does not have stripes but spots $role->add_attribute( "stripecount", ( is => 'rw', isa => 'Int', ... # builder, lazy etc ) ); my $my_class = Moose::Meta::Class->create( $class_name, superclasses => [$superclass], roles => [$role_name], ); my $garfield = $class_name->new($felidae_obj);

Now you have an object which isa "Felidae" and a "Tiger" and does "stripecount".

And it came to pass that in time the Great God Om spake unto Brutha, the Chosen One: "Psst!"
(Terry Pratchett, Small Gods)


In reply to Re: changing moose object classes on the go by Brutha
in thread changing moose object classes on the go by tomgracey

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