#!/usr/bin/perl

package Verby::Config::Source;
use Moose;

our $VERSION = "0.05";

extends qw/Verby::Config::Data/;

use Tie::Memoize;

use Scalar::Util ();

has data => (
	isa => "HashRef",
	is  => "ro",
	lazy    => 1,
	default => sub {
		my $self = shift;
		Scalar::Util::weaken($self); # closure leak otherwise		
		tie my %data, 'Tie::Memoize', sub { $self->get_key(shift) };
		return \%data,
	},
);

sub get_key {
	die "subclass should extract keys from real config source";
}

__PACKAGE__

__END__

=pod

=head1 NAME

Verby::Config::Source - 

=head1 SYNOPSIS

	use Verby::Config::Source;

=head1 DESCRIPTION

=head1 METHODS

=over 4

=item B<new>

=item B<get_key>

=back

=head1 BUGS

None that we are aware of. Of course, if you find a bug, let us know, and we will be sure to fix it. 

=head1 CODE COVERAGE

We use B<Devel::Cover> to test the code coverage of the tests, please refer to COVERAGE section of the L<Verby> module for more information.

=head1 SEE ALSO

=head1 AUTHOR

Yuval Kogman, E<lt>nothingmuch@woobling.orgE<gt>

=head1 COPYRIGHT AND LICENSE

Copyright 2005-2008 by Infinity Interactive, Inc.

L<http://www.iinteractive.com>

This library is free software; you can redistribute it and/or modify
it under the same terms as Perl itself. 

=cut