view Lib/IMPL/Object/Singleton.pm @ 134:44977efed303

Significant performance optimizations Fixed recursion problems due converting objects to JSON Added cache support for the templates Added discovery feature for the web methods
author wizard
date Mon, 21 Jun 2010 02:39:53 +0400
parents 0d2337e203c0
children d9dd3500ead3
line wrap: on
line source

package IMPL::Object::Singleton;
use strict;
use warnings;

my %instances;

sub instance {
    my $self = shift;
    
    $instances{$self} || ($instances{$self} = $self->new(@_));
}

1;

__END__

=pod

=head1 SYNOPSIS

=begin code

package Foo;

use base qw(IMPL::Object IMPL::Object::Singleton);

#....

Foo->isnatnce->some_work();

Foo->isnatnce->get_result();

=end code

=head1 DESCRIPTION

Реализует шаблон Singleton

=head1 MEMBERS

=head2 OPERATORS

=list

=item C<instance CLASS(@params)>

Создает или возвращает экземпляр класса, если экземляр не существует, то он создается с параметрами C<@params>.

=over

=cut