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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'; |
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8 | use Scalar::Util 'blessed'; |
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9 | |
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10 | our $VERSION = '0.57'; |
11 | $VERSION = eval $VERSION; |
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12 | our $AUTHORITY = 'cpan:STEVAN'; |
13 | |
14 | use base 'Moose::Meta::Role'; |
15 | |
16 | # NOTE: |
17 | # we need to override the ->name |
18 | # method from Class::MOP::Package |
19 | # since we don't have an actual |
20 | # package for this. |
21 | # - SL |
22 | __PACKAGE__->meta->add_attribute('name' => (reader => 'name')); |
23 | |
24 | # NOTE: |
25 | # Again, since we don't have a real |
26 | # package to store our methods in, |
27 | # we use a HASH ref instead. |
28 | # - SL |
29 | __PACKAGE__->meta->add_attribute('methods' => ( |
30 | reader => 'get_method_map', |
31 | default => sub { {} } |
32 | )); |
33 | |
34 | sub new { |
35 | my ($class, %params) = @_; |
36 | # the roles param is required ... |
37 | ($_->isa('Moose::Meta::Role')) |
38 | || confess "The list of roles must be instances of Moose::Meta::Role, not $_" |
39 | foreach @{$params{roles}}; |
40 | # and the name is created from the |
41 | # roles if one has not been provided |
42 | $params{name} ||= (join "|" => map { $_->name } @{$params{roles}}); |
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43 | $class->_new(\%params); |
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44 | } |
45 | |
46 | # NOTE: |
47 | # we need to override this cause |
48 | # we dont have that package I was |
49 | # talking about above. |
50 | # - SL |
51 | sub alias_method { |
52 | my ($self, $method_name, $method) = @_; |
53 | (defined $method_name && $method_name) |
54 | || confess "You must define a method name"; |
55 | |
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56 | # make sure to bless the |
57 | # method if nessecary |
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58 | $method = $self->method_metaclass->wrap( |
59 | $method, |
60 | package_name => $self->name, |
61 | name => $method_name |
62 | ) if !blessed($method); |
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63 | |
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64 | $self->get_method_map->{$method_name} = $method; |
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65 | } |
66 | |
67 | 1; |
68 | |
69 | __END__ |
70 | |
71 | =pod |
72 | |
73 | =head1 NAME |
74 | |
75 | Moose::Meta::Role::Composite - An object to represent the set of roles |
76 | |
77 | =head1 DESCRIPTION |
78 | |
79 | =head2 METHODS |
80 | |
81 | =over 4 |
82 | |
83 | =item B<new> |
84 | |
85 | =item B<meta> |
86 | |
87 | =item B<name> |
88 | |
89 | =item B<get_method_map> |
90 | |
91 | =item B<alias_method> |
92 | |
93 | =back |
94 | |
95 | =head1 BUGS |
96 | |
97 | All complex software has bugs lurking in it, and this module is no |
98 | exception. If you find a bug please either email me, or add the bug |
99 | to cpan-RT. |
100 | |
101 | =head1 AUTHOR |
102 | |
103 | Stevan Little E<lt>stevan@iinteractive.comE<gt> |
104 | |
105 | =head1 COPYRIGHT AND LICENSE |
106 | |
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107 | Copyright 2006-2008 by Infinity Interactive, Inc. |
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108 | |
109 | L<http://www.iinteractive.com> |
110 | |
111 | This library is free software; you can redistribute it and/or modify |
112 | it under the same terms as Perl itself. |
113 | |
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114 | =cut |