C4/Cache/Memcached.pm

   1 package C4::Cache::Memcached;
   2
   3 # Copyright 2009 Chris Cormack and The Koha Dev Team
   4 #
   5 # This file is part of Koha.
   6 #
   7 # Koha is free software; you can redistribute it and/or modify it under the
   8 # terms of the GNU General Public License as published by the Free Software
   9 # Foundation; either version 2 of the License, or (at your option) any later
  10 # version.
  11 #
  12 # Koha is distributed in the hope that it will be useful, but WITHOUT ANY
  13 # WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
  14 # A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU General Public License along
  17 # with Koha; if not, write to the Free Software Foundation, Inc.,
  18 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19
  20 use strict;
  21 use warnings;
  22 use Carp;
  23
  24 use Cache::Memcached;
  25
  26 use base qw(C4::Cache);
  27
  28 sub _cache_handle {
  29     my $class  = shift;
  30     my $params = shift;
  31
  32     my @servers = split /,/, $params->{'cache_servers'};
  33
  34     return Cache::Memcached->new(
  35         servers   => \@servers,
  36         namespace => $params->{'namespace'} || 'KOHA',
  37     );
  38 }
  39
  40 sub set_in_cache {
  41     my ( $self, $key, $value, $expiry ) = @_;
  42     croak "No key" unless $key;
  43
  44     if ( defined $expiry ) {
  45         return $self->cache->set( $key, $value, $expiry );
  46     }
  47     else {
  48         return $self->cache->set( $key, $value );
  49     }
  50 }
  51
  52 sub get_from_cache {
  53     my ( $self, $key ) = @_;
  54     croak "No key" unless $key;
  55     return $self->cache->get($key);
  56 }
  57
  58 sub clear_from_cache {
  59     my ( $self, $key ) = @_;
  60     croak "No key" unless $key;
  61     return $self->cache->delete($key);
  62 }
  63
  64 sub flush_all {
  65     my $self = shift;
  66     return $self->cache->flush_all;
  67 }
  68
  69 1;
  70 __END__
  71
  72 =head1 NAME
  73
  74   C4::Cache::Memcached - memcached subclass of C4::Cache
  75
  76 =cut