do not allow double initialization

[gitmo/MooseX-Singleton.git] / lib / MooseX / Singleton / Object.pm

diff --git a/lib/MooseX/Singleton/Object.pm b/lib/MooseX/Singleton/Object.pm
index c35c1e8..942e149 100644 (file)
--- a/lib/MooseX/Singleton/Object.pm
+++ b/lib/MooseX/Singleton/Object.pm
@@ -7,6 +7,15 @@ extends 'Moose::Object';
 
 sub instance { shift->new }
 
+sub new {
+  my ($class, @args) = @_;
+
+  my $existing = $class->meta->existing_singleton;
+  confess "Singleton is already initialized" if $existing and @args;
+
+  return $class->SUPER::new(@args);
+}
+
 1;
 
 __END__