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package MooseX::Singleton::Role::Object;
BEGIN {
$MooseX::Singleton::Role::Object::AUTHORITY = 'cpan:SARTAK';
}
{
$MooseX::Singleton::Role::Object::VERSION = '0.29';
}
use Moose::Role;
use Carp qw( carp );
sub instance { shift->new }
sub initialize {
my ( $class, @args ) = @_;
my $existing = $class->meta->existing_singleton;
confess "Singleton is already initialized" if $existing;
return $class->new(@args);
}
override new => sub {
my ( $class, @args ) = @_;
my $existing = $class->meta->existing_singleton;
confess "Singleton is already initialized" if $existing and @args;
# Otherwise BUILD will be called repeatedly on the existing instance.
# -- rjbs, 2008-02-03
return $existing if $existing and !@args;
return super();
};
sub _clear_instance {
my ($class) = @_;
$class->meta->clear_singleton;
}
no Moose::Role;
1;
# ABSTRACT: Object class role for MooseX::Singleton
=pod
=head1 NAME
MooseX::Singleton::Role::Object - Object class role for MooseX::Singleton
=head1 VERSION
version 0.29
=head1 DESCRIPTION
This just adds C<instance> as a shortcut for C<new>.
=head1 AUTHOR
Shawn M Moore <sartak@gmail.com>
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011 by Shawn M Moore.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
__END__
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