Commit | Line | Data |
---|---|---|
8eec3c69 | 1 | package MooseX::Singleton::Role::Object; |
2 | use Moose::Role; | |
5a0f3fa6 | 3 | use Carp qw( carp ); |
4 | ||
109b110b | 5 | |
109b110b | 6 | sub instance { shift->new } |
7 | ||
d928ce3a | 8 | sub initialize { |
4c256923 | 9 | my ( $class, @args ) = @_; |
d928ce3a | 10 | |
4c256923 | 11 | my $existing = $class->meta->existing_singleton; |
12 | confess "Singleton is already initialized" if $existing; | |
d928ce3a | 13 | |
4c256923 | 14 | return $class->new(@args); |
d928ce3a | 15 | } |
16 | ||
8eec3c69 | 17 | override new => sub { |
4c256923 | 18 | my ( $class, @args ) = @_; |
1de95613 | 19 | |
4c256923 | 20 | my $existing = $class->meta->existing_singleton; |
21 | confess "Singleton is already initialized" if $existing and @args; | |
1de95613 | 22 | |
4c256923 | 23 | # Otherwise BUILD will be called repeatedly on the existing instance. |
24 | # -- rjbs, 2008-02-03 | |
25 | return $existing if $existing and !@args; | |
963b26bd | 26 | |
4c256923 | 27 | return super(); |
8eec3c69 | 28 | }; |
1de95613 | 29 | |
03e1b8df | 30 | sub _clear_instance { |
4c256923 | 31 | my ($class) = @_; |
32 | $class->meta->clear_singleton; | |
03e1b8df | 33 | } |
34 | ||
2cb90d53 | 35 | no Moose::Role; |
2b4ce4bd | 36 | |
109b110b | 37 | 1; |
38 | ||
4e4f795a | 39 | # ABSTRACT: Object class role for MooseX::Singleton |
40 | ||
b375b147 | 41 | __END__ |
42 | ||
43 | =pod | |
44 | ||
b375b147 | 45 | =head1 DESCRIPTION |
46 | ||
47 | This just adds C<instance> as a shortcut for C<new>. | |
48 | ||
49 | =cut | |
50 |