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1 | package Catalyst::IOC; |
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2 | use strict; |
3 | use warnings; |
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4 | use Bread::Board; |
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5 | use Catalyst::IOC::ConstructorInjection; |
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6 | |
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7 | # FIXME - All of these imports need to get the importing package |
8 | # as the customise_container and current_container variables |
9 | # NEED to be in the containers package so there can be multiple |
10 | # containers.. |
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11 | use Sub::Exporter -setup => { |
12 | exports => [qw/ |
13 | component |
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14 | model |
15 | container |
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16 | /], |
17 | groups => { default => [qw/ |
18 | component |
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19 | model |
20 | container |
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21 | /]}, |
22 | }; |
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23 | #use Sub::Exporter -setup => [ |
24 | # qw( |
25 | # Bread::Board::as |
26 | # Bread::Board::container |
27 | # Bread::Board::depends_on |
28 | # Bread::Board::service |
29 | # Bread::Board::alias |
30 | # Bread::Board::wire_names |
31 | # Bread::Board::include |
32 | # Bread::Board::typemap |
33 | # Bread::Board::infer |
34 | # ) |
35 | #]; |
36 | # I'm probably doing it wrong. |
37 | # Anyway, I'll just use Moose::Exporter. Do I really have to use Sub::Exporter? |
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38 | #use Moose::Exporter; |
39 | #Moose::Exporter->setup_import_methods( |
40 | # also => ['Bread::Board'], |
41 | #); |
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42 | our $customise_container; |
43 | our $current_container; |
44 | |
45 | sub container (&) { |
46 | my $code = shift; |
47 | $customise_container = sub { |
48 | warn("In customise container"); |
49 | local $current_container = shift(); |
50 | $code->(); |
51 | }; |
52 | } |
53 | |
54 | sub model (&) { |
55 | my $code = shift; |
56 | local $current_container = $current_container->get_sub_container('model'); |
57 | $code->(); |
58 | } |
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59 | |
60 | sub component { |
61 | my ($name, %args) = @_; |
62 | $args{dependencies} ||= {}; |
63 | $args{dependencies}{application_name} = depends_on( '/application_name' ); |
64 | |
65 | # FIXME - check $args{type} here! |
66 | |
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67 | my $service = Catalyst::IOC::ConstructorInjection->new( |
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68 | %args, |
69 | name => $name, |
70 | lifecycle => 'Singleton', |
71 | # XX FIXME - needs to become possible to intuit catalyst_component_name |
72 | # from dependencies (like config) |
73 | catalyst_component_name => 'TestAppCustomContainer::Model::Bar', |
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74 | ); |
75 | $current_container->add_service($service); |
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76 | } |
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77 | |
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78 | 1; |
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79 | |
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80 | # FIXME - should the code example below be on this file or Catalyst::IOC::Container? |
81 | |
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82 | __END__ |
83 | |
84 | =pod |
85 | |
86 | =head1 NAME |
87 | |
88 | Catalyst::IOC - IOC for Catalyst, based on Bread::Board |
89 | |
90 | =head1 SYNOPSIS |
91 | |
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92 | package MyApp::Container; |
93 | use Catalyst::IOC; |
94 | |
95 | sub BUILD { |
96 | my $self = shift; |
97 | |
98 | container $self => as { |
99 | container model => as { |
100 | |
101 | # default component |
102 | component Foo => (); |
103 | |
104 | # model Bar needs model Foo to be built before |
105 | # and Bar's constructor gets Foo as a parameter |
106 | component Bar => ( dependencies => [ |
107 | depends_on('/model/Foo'), |
108 | ]); |
109 | |
110 | # Baz is rebuilt once per HTTP request |
111 | component Baz => ( lifecycle => 'Request' ); |
112 | |
113 | # built only once per application life time |
114 | component Quux => ( lifecycle => 'Singleton' ); |
115 | |
116 | # built once per app life time and uses an external model, |
117 | # outside the default directory |
118 | # no need for wrappers or Catalyst::Model::Adaptor |
119 | component Fnar => ( |
120 | lifecycle => 'Singleton', |
121 | class => 'My::External::Class', |
122 | ); |
123 | }; |
124 | } |
125 | } |
126 | |
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127 | =head1 DESCRIPTION |
128 | |
129 | =head1 METHODS |
130 | |
131 | =head1 AUTHORS |
132 | |
133 | Catalyst Contributors, see Catalyst.pm |
134 | |
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135 | =head1 SEE ALSO |
136 | |
137 | L<Bread::Board> |
138 | |
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139 | =head1 COPYRIGHT |
140 | |
141 | This library is free software. You can redistribute it and/or modify it under |
142 | the same terms as Perl itself. |
143 | |
144 | =cut |