package MusicBrainz::DataStore;
use Moose::Role;

requires 'get';
requires 'set';
requires 'exists';
requires 'del';

=method expire

Expire the specified key in $s seconds.

=cut

requires 'expireat';

=method expireat

Expire the specified key at (unix) $timestamp.

=cut

requires 'expireat';

=method incr

Increment the value for the $key.

=cut

requires 'incr';

=method add

Store the $value on the server under the $key, but only if the key
doesn't exists on the server.

=cut

requires 'add';

requires 'ttl';

=head1 LICENSE

Copyright (C) 2013 MetaBrainz Foundation

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

=cut

1;