X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FMooseX%2FSingleton%2FRole%2FObject.pm;fp=lib%2FMooseX%2FSingleton%2FRole%2FObject.pm;h=b09613fac7e0eef9626647635baf98fcafa58ee8;hb=8eec3c69ee4aa161601b0255c3b32cd6d9cc6998;hp=0000000000000000000000000000000000000000;hpb=b1882d9b6ec47b18a97dadb6e1326305d890c806;p=gitmo%2FMooseX-Singleton.git

diff --git a/lib/MooseX/Singleton/Role/Object.pm b/lib/MooseX/Singleton/Role/Object.pm
new file mode 100644
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--- /dev/null
+++ b/lib/MooseX/Singleton/Role/Object.pm
@@ -0,0 +1,51 @@
+#!/usr/bin/env perl
+package MooseX::Singleton::Role::Object;
+use Moose::Role;
+
+sub instance { shift->new }
+
+sub initialize {
+  my ($class, @args) = @_;
+
+  my $existing = $class->meta->existing_singleton;
+  confess "Singleton is already initialized" if $existing;
+
+  return $class->SUPER::new(@args);
+}
+
+override new => sub {
+  my ($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;
+
+1;
+
+__END__
+
+=pod
+
+=head1 NAME
+
+MooseX::Singleton::Object - Object class role for MooseX::Singleton
+
+=head1 DESCRIPTION
+
+This just adds C<instance> as a shortcut for C<new>.
+
+=cut
+