[Catalyst] how to excute not only one 'begin' or 'end'?

[T. H. Lin]

#Controller::Root
sub begin
sub end

#Controller::A
sub begin
sub end

#Controller::A::B
sub begin
sub index
sub end

when I call /A/B
is it possible to have action in this way?
Root::begin
A::begin
A::B::begin
A::B::index
A::B::end
A::end
Root::end