2 package MooseX::Role::Parameterized::Meta::Role::Parameterizable;
4 extends 'Moose::Meta::Role';
6 use MooseX::Role::Parameterized::Meta::Role::Parameterized;
7 use MooseX::Role::Parameterized::Parameters;
9 use constant parameterized_role_metaclass => 'MooseX::Role::Parameterized::Meta::Role::Parameterized';
11 has parameter_metaclass => (
13 isa => 'Moose::Meta::Class',
16 Moose::Meta::Class->create_anon_class(
17 superclasses => ['MooseX::Role::Parameterized::Parameters'],
22 has role_generator => (
25 predicate => 'has_role_generator',
32 # need to figure out a plan for these guys..
33 confess "The parameter name ($name) is currently forbidden."
35 || $name eq 'excludes';
37 $self->parameter_metaclass->add_attribute($name => @_);
40 sub construct_parameters {
44 # need to figure out a plan for these guys..
45 for my $name ('alias', 'excludes') {
46 confess "The parameter name ($name) is currently forbidden."
47 if exists $args{$name};
50 $self->parameter_metaclass->new_object(\%args);
56 my $parameters = @_ == 1 ? shift
57 : $self->construct_parameters(@_);
59 confess "A role generator is required to generate roles"
60 unless $self->has_role_generator;
62 my $role = $self->parameterized_role_metaclass->create_anon_role(parameters => $parameters);
64 local $MooseX::Role::Parameterized::CURRENT_METACLASS = $role;
65 $self->role_generator->($parameters,
66 operating_on => $role,
77 my $role = $self->generate_role(%args);
78 $role->apply($class, %args);
81 __PACKAGE__->meta->make_immutable;