Commit | Line | Data |
bb70fe3a |
1 | package MooseX::ClassAttribute::Meta::Attribute; |
2 | |
3 | use strict; |
4 | use warnings; |
5 | |
6 | use MooseX::ClassAttribute::Meta::Method::Accessor; |
7 | |
8 | use Moose; |
9 | |
10 | extends 'Moose::Meta::Attribute'; |
11 | |
12 | |
13 | sub accessor_metaclass { 'MooseX::ClassAttribute::Meta::Method::Accessor' } |
14 | |
15 | sub _process_options |
16 | { |
17 | my $class = shift; |
18 | my $name = shift; |
19 | my $options = shift; |
20 | |
21 | confess 'A class attribute cannot be required' |
22 | if $options->{required}; |
23 | |
24 | return $class->SUPER::_process_options( $name, $options ); |
25 | } |
26 | |
27 | sub attach_to_class |
28 | { |
29 | my $self = shift; |
30 | my $meta = shift; |
31 | |
32 | $self->SUPER::attach_to_class($meta); |
33 | |
34 | $self->_initialize($meta) |
35 | unless $self->is_lazy(); |
36 | } |
37 | |
38 | sub detach_from_class |
39 | { |
40 | my $self = shift; |
41 | my $meta = shift; |
42 | |
43 | $self->clear_value($meta); |
44 | |
45 | $self->SUPER::detach_from_class($meta); |
46 | } |
47 | |
48 | sub _initialize |
49 | { |
50 | my $self = shift; |
51 | |
52 | if ( $self->has_default() ) |
53 | { |
54 | $self->set_value( $self->default() ); |
55 | } |
56 | elsif ( $self->has_builder() ) |
57 | { |
58 | $self->set_value( $self->_call_builder() ); |
59 | } |
60 | } |
61 | |
62 | sub default |
63 | { |
64 | my $self = shift; |
65 | |
66 | my $default = $self->SUPER::default(); |
67 | |
68 | if ( $self->is_default_a_coderef() ) |
69 | { |
70 | return $default->( $self->associated_class() ); |
71 | } |
72 | |
73 | return $default; |
74 | } |
75 | |
76 | sub _call_builder |
77 | { |
78 | my $self = shift; |
79 | my $class = shift; |
80 | |
81 | my $builder = $self->builder(); |
82 | |
83 | return $class->$builder() |
84 | if $class->can( $self->builder ); |
85 | |
86 | confess( "$class does not support builder method '" |
87 | . $self->builder |
88 | . "' for attribute '" |
89 | . $self->name |
90 | . "'" ); |
91 | } |
92 | |
93 | sub set_value |
94 | { |
95 | my $self = shift; |
96 | my $value = shift; |
97 | |
98 | $self->associated_class()->set_class_attribute_value( $self->name() => $value ); |
99 | } |
100 | |
101 | sub get_value |
102 | { |
103 | my $self = shift; |
104 | |
105 | return $self->associated_class()->get_class_attribute_value( $self->name() ); |
106 | } |
107 | |
108 | sub has_value |
109 | { |
110 | my $self = shift; |
111 | |
112 | return $self->associated_class()->has_class_attribute_value( $self->name() ); |
113 | } |
114 | |
115 | sub clear_value |
116 | { |
117 | my $self = shift; |
118 | |
119 | return $self->associated_class()->clear_class_attribute_value( $self->name() ); |
120 | } |
121 | |
122 | no Moose; |
123 | |
124 | 1; |