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package IPC::PubSub::Cacheable;
use strict;
use warnings;
use Scalar::Util qw( refaddr );
my %Cache;
sub new {
my $class = shift;
my $self = bless(\@_, $class);
$self->BUILD;
return $self;
}
sub BUILD {
my $self = shift;
$Cache{ refaddr($self) } ||= do {
require "IPC/PubSub/Cache/$self->[0].pm";
"IPC::PubSub::Cache::$self->[0]"->new(@{$self->[1]});
};
}
sub AUTOLOAD {
no strict 'refs';
no warnings 'uninitialized';
my $meth = (substr(our $AUTOLOAD, rindex($AUTOLOAD, '::') + 2) || $AUTOLOAD);
my $code = sub {
my $self = shift;
my $cache = $self->BUILD;
unshift @_, $cache;
goto &{$cache->can($meth)};
};
*$meth = $code;
goto &$code;
}
sub DESTROY {
my $self = shift;
delete $Cache{ refaddr($self) };
}
1;
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