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1 | package Moose::Meta::Role::Composite; |
2 | |
3 | use strict; |
4 | use warnings; |
5 | use metaclass; |
6 | |
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7 | use Carp 'confess'; |
8 | use Scalar::Util 'blessed', 'reftype'; |
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9 | |
10 | our $VERSION = '0.01'; |
11 | our $AUTHORITY = 'cpan:STEVAN'; |
12 | |
13 | use base 'Moose::Meta::Role'; |
14 | |
15 | # NOTE: |
16 | # we need to override the ->name |
17 | # method from Class::MOP::Package |
18 | # since we don't have an actual |
19 | # package for this. |
20 | # - SL |
21 | __PACKAGE__->meta->add_attribute('name' => (reader => 'name')); |
22 | |
23 | # NOTE: |
24 | # Again, since we don't have a real |
25 | # package to store our methods in, |
26 | # we use a HASH ref instead. |
27 | # - SL |
28 | __PACKAGE__->meta->add_attribute('methods' => ( |
29 | reader => 'get_method_map', |
30 | default => sub { {} } |
31 | )); |
32 | |
33 | sub new { |
34 | my ($class, %params) = @_; |
35 | # the roles param is required ... |
36 | ($_->isa('Moose::Meta::Role')) |
37 | || confess "The list of roles must be instances of Moose::Meta::Role, not $_" |
38 | foreach @{$params{roles}}; |
39 | # and the name is created from the |
40 | # roles if one has not been provided |
41 | $params{name} ||= (join "|" => map { $_->name } @{$params{roles}}); |
42 | $class->meta->new_object(%params); |
43 | } |
44 | |
45 | # NOTE: |
46 | # we need to override this cause |
47 | # we dont have that package I was |
48 | # talking about above. |
49 | # - SL |
50 | sub alias_method { |
51 | my ($self, $method_name, $method) = @_; |
52 | (defined $method_name && $method_name) |
53 | || confess "You must define a method name"; |
54 | |
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55 | # make sure to bless the |
56 | # method if nessecary |
57 | $method = $self->method_metaclass->wrap($method) |
58 | if !blessed($method); |
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59 | |
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60 | $self->get_method_map->{$method_name} = $method; |
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61 | } |
62 | |
63 | 1; |
64 | |
65 | __END__ |
66 | |
67 | =pod |
68 | |
69 | =head1 NAME |
70 | |
71 | Moose::Meta::Role::Composite - An object to represent the set of roles |
72 | |
73 | =head1 DESCRIPTION |
74 | |
75 | =head2 METHODS |
76 | |
77 | =over 4 |
78 | |
79 | =item B<new> |
80 | |
81 | =item B<meta> |
82 | |
83 | =item B<name> |
84 | |
85 | =item B<get_method_map> |
86 | |
87 | =item B<alias_method> |
88 | |
89 | =back |
90 | |
91 | =head1 BUGS |
92 | |
93 | All complex software has bugs lurking in it, and this module is no |
94 | exception. If you find a bug please either email me, or add the bug |
95 | to cpan-RT. |
96 | |
97 | =head1 AUTHOR |
98 | |
99 | Stevan Little E<lt>stevan@iinteractive.comE<gt> |
100 | |
101 | =head1 COPYRIGHT AND LICENSE |
102 | |
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103 | Copyright 2006-2008 by Infinity Interactive, Inc. |
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104 | |
105 | L<http://www.iinteractive.com> |
106 | |
107 | This library is free software; you can redistribute it and/or modify |
108 | it under the same terms as Perl itself. |
109 | |
110 | =cut |