Koha/C4/Cache.pm

81 lines
2.2 KiB
Perl

package C4::Cache;
# Copyright 2009 Chris Cormack and The Koha Dev Team
#
# This file is part of Koha.
#
# Koha 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.
#
# Koha 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
# Koha; if not, write to the Free Software Foundation, Inc., 59 Temple Place,
# Suite 330, Boston, MA 02111-1307 USA
=head1 NAME
C4::Cache - Handling caching of html and Objects for Koha
=head1 SYNOPSIS
use C4::Cache (cache_type => $cache_type, %params );
=head1 DESCRIPTION
Base class for C4::Cache::X. Subclasses need to provide the following methods
B<_cache_handle ($params_hr)> - cache handle creator
B<set_in_cache ($key, $value, $expiry)>
B<get_from_cache ($key)>
B<clear_from_cache ($key)>
B<flush_all ()>
=head1 FUNCTIONS
=cut
use strict;
use warnings;
use Carp;
use base qw(Class::Accessor);
use C4::Cache::Memcached;
use C4::Cache::FastMemcached;
__PACKAGE__->mk_ro_accessors( qw( cache ) );
sub new {
my $class = shift;
my %param = @_;
my $cache_type = $param{cache_type} || 'memcached';
my $subclass = __PACKAGE__."::".ucfirst($cache_type);
my $cache = $subclass->_cache_handle(\%param)
or croak "Cannot create cache handle for '$cache_type'";
return bless $class->SUPER::new({cache => $cache}), $subclass;
}
=head2 EXPORT
None by default.
=head1 SEE ALSO
C4::Cache::Memcached
=head1 AUTHOR
Chris Cormack, E<lt>chris@bigballofwax.co.nzE<gt>
=cut
1;
__END__