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1 | #!/usr/bin/env perl |
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2 | package MooseX::Role::Parameterized::Meta::Role::Parameterizable; |
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3 | use Moose; |
4 | extends 'Moose::Meta::Role'; |
5 | |
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6 | use MooseX::Role::Parameterized::Meta::Role::Parameterized; |
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7 | use MooseX::Role::Parameterized::Parameters; |
8 | |
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9 | has parameter_metaclass => ( |
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10 | is => 'rw', |
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11 | isa => 'Moose::Meta::Class', |
12 | lazy => 1, |
13 | default => sub { |
14 | Moose::Meta::Class->create_anon_class( |
15 | superclasses => ['MooseX::Role::Parameterized::Parameters'], |
16 | ); |
17 | }, |
18 | ); |
19 | |
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20 | has role_generator => ( |
21 | is => 'rw', |
22 | isa => 'CodeRef', |
23 | predicate => 'has_role_generator', |
24 | ); |
25 | |
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26 | sub add_parameter { |
27 | my $self = shift; |
28 | $self->parameter_metaclass->add_attribute(@_); |
29 | } |
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30 | |
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31 | sub construct_parameters { |
32 | my $self = shift; |
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33 | $self->parameter_metaclass->new_object(@_); |
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34 | } |
35 | |
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36 | sub generate_role { |
37 | my $self = shift; |
38 | my %args = @_; |
39 | |
40 | confess "A role generator is required to generate roles" |
41 | unless $self->has_role_generator; |
42 | |
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43 | my $parameters = $self->construct_parameters(%args); |
44 | |
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45 | my $metaclass = Moose::Meta::Class->create_anon_class( |
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46 | superclasses => ['MooseX::Role::Parameterized::Meta::Role::Parameterized'], |
47 | ); |
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48 | my $role = $metaclass->new_object( |
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49 | parameters => $parameters, |
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50 | ); |
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51 | |
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52 | local $MooseX::Role::Parameterized::CURRENT_METACLASS = $role; |
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53 | $self->role_generator->($parameters, |
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54 | operating_on => $role, |
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55 | ); |
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56 | |
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57 | return $role; |
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58 | } |
59 | |
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60 | __PACKAGE__->meta->make_immutable; |
61 | no Moose; |
62 | |
63 | 1; |
64 | |