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1 | package Moose::Meta::Role::Application; |
2 | |
3 | use strict; |
4 | use warnings; |
5 | use metaclass; |
6 | |
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7 | our $VERSION = '0.89_01'; |
75b95414 |
8 | $VERSION = eval $VERSION; |
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9 | our $AUTHORITY = 'cpan:STEVAN'; |
10 | |
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11 | __PACKAGE__->meta->add_attribute('method_exclusions' => ( |
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12 | init_arg => '-excludes', |
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13 | reader => 'get_method_exclusions', |
14 | default => sub { [] } |
15 | )); |
16 | |
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17 | __PACKAGE__->meta->add_attribute('method_aliases' => ( |
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18 | init_arg => '-alias', |
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19 | reader => 'get_method_aliases', |
20 | default => sub { {} } |
21 | )); |
22 | |
d03bd989 |
23 | sub new { |
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24 | my ($class, %params) = @_; |
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25 | |
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26 | if (exists $params{excludes} && !exists $params{'-excludes'}) { |
27 | $params{'-excludes'} = delete $params{excludes}; |
28 | } |
29 | if (exists $params{alias} && !exists $params{'-alias'}) { |
30 | $params{'-alias'} = delete $params{alias}; |
31 | } |
32 | |
33 | if (exists $params{'-excludes'}) { |
c4538447 |
34 | # I wish we had coercion here :) |
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35 | $params{'-excludes'} = (ref $params{'-excludes'} eq 'ARRAY' |
36 | ? $params{'-excludes'} |
37 | : [ $params{'-excludes'} ]); |
c4538447 |
38 | } |
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39 | |
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40 | $class->_new(\%params); |
c4538447 |
41 | } |
42 | |
43 | sub is_method_excluded { |
44 | my ($self, $method_name) = @_; |
45 | foreach (@{$self->get_method_exclusions}) { |
46 | return 1 if $_ eq $method_name; |
47 | } |
48 | return 0; |
49 | } |
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50 | |
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51 | sub is_method_aliased { |
52 | my ($self, $method_name) = @_; |
53 | exists $self->get_method_aliases->{$method_name} ? 1 : 0 |
54 | } |
55 | |
56 | sub is_aliased_method { |
57 | my ($self, $method_name) = @_; |
58 | my %aliased_names = reverse %{$self->get_method_aliases}; |
59 | exists $aliased_names{$method_name} ? 1 : 0; |
60 | } |
61 | |
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62 | sub apply { |
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63 | my $self = shift; |
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64 | |
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65 | $self->check_role_exclusions(@_); |
66 | $self->check_required_methods(@_); |
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67 | $self->check_required_attributes(@_); |
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68 | |
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69 | $self->apply_attributes(@_); |
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70 | $self->apply_methods(@_); |
71 | |
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72 | $self->apply_override_method_modifiers(@_); |
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73 | |
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74 | $self->apply_before_method_modifiers(@_); |
75 | $self->apply_around_method_modifiers(@_); |
76 | $self->apply_after_method_modifiers(@_); |
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77 | } |
78 | |
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79 | sub check_role_exclusions { Carp::croak "Abstract Method" } |
80 | sub check_required_methods { Carp::croak "Abstract Method" } |
81 | sub check_required_attributes { Carp::croak "Abstract Method" } |
82 | |
83 | sub apply_attributes { Carp::croak "Abstract Method" } |
84 | sub apply_methods { Carp::croak "Abstract Method" } |
85 | sub apply_override_method_modifiers { Carp::croak "Abstract Method" } |
86 | sub apply_method_modifiers { Carp::croak "Abstract Method" } |
bca01282 |
87 | |
88 | sub apply_before_method_modifiers { (shift)->apply_method_modifiers('before' => @_) } |
89 | sub apply_around_method_modifiers { (shift)->apply_method_modifiers('around' => @_) } |
90 | sub apply_after_method_modifiers { (shift)->apply_method_modifiers('after' => @_) } |
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91 | |
92 | 1; |
93 | |
94 | __END__ |
95 | |
96 | =pod |
97 | |
98 | =head1 NAME |
99 | |
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100 | Moose::Meta::Role::Application - A base class for role application |
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101 | |
102 | =head1 DESCRIPTION |
103 | |
104 | This is the abstract base class for role applications. |
105 | |
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106 | The API for this class and its subclasses still needs some |
107 | consideration, and is intentionally not yet documented. |
108 | |
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109 | =head2 METHODS |
110 | |
111 | =over 4 |
112 | |
113 | =item B<new> |
114 | |
115 | =item B<meta> |
116 | |
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117 | =item B<get_method_exclusions> |
118 | |
119 | =item B<is_method_excluded> |
120 | |
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121 | =item B<get_method_aliases> |
122 | |
123 | =item B<is_aliased_method> |
124 | |
125 | =item B<is_method_aliased> |
126 | |
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127 | =item B<apply> |
128 | |
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129 | =item B<check_role_exclusions> |
130 | |
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131 | =item B<check_required_methods> |
132 | |
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133 | =item B<check_required_attributes> |
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134 | |
135 | =item B<apply_attributes> |
136 | |
137 | =item B<apply_methods> |
138 | |
139 | =item B<apply_method_modifiers> |
140 | |
141 | =item B<apply_before_method_modifiers> |
142 | |
143 | =item B<apply_after_method_modifiers> |
144 | |
145 | =item B<apply_around_method_modifiers> |
146 | |
147 | =item B<apply_override_method_modifiers> |
148 | |
149 | =back |
150 | |
151 | =head1 BUGS |
152 | |
153 | All complex software has bugs lurking in it, and this module is no |
154 | exception. If you find a bug please either email me, or add the bug |
155 | to cpan-RT. |
156 | |
157 | =head1 AUTHOR |
158 | |
159 | Stevan Little E<lt>stevan@iinteractive.comE<gt> |
160 | |
161 | =head1 COPYRIGHT AND LICENSE |
162 | |
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163 | Copyright 2006-2009 by Infinity Interactive, Inc. |
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164 | |
165 | L<http://www.iinteractive.com> |
166 | |
167 | This library is free software; you can redistribute it and/or modify |
168 | it under the same terms as Perl itself. |
169 | |
170 | =cut |
171 | |