Koha-clms/Koha/Cache/Memory/Lite.pm

73 lines
1.6 KiB
Perl

package Koha::Cache::Memory::Lite;
# Copyright 2016 Koha Development 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 3 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, see <http://www.gnu.org/licenses>.
=head1 NAME
Koha::Cache::Memory::Lite - Handling caching of objects in memory *only* for Koha
=head1 SYNOPSIS
use Koha::Cache::Memory::Lite;
my $cache = Koha::Cache::Memory::Lite->get_instance();
$cache->set($key, $value);
my $retrieved_from_cache_value = $cache->get($key);
$cache->clear_from_cache($key);
$cache->flush();
=head1 DESCRIPTION
Koha in memory only caching routines.
=cut
use Modern::Perl;
use base qw(Class::Accessor);
our %L1_cache;
our $singleton_cache;
sub get_instance {
my ($class) = @_;
$singleton_cache = $class->new() unless $singleton_cache;
return $singleton_cache;
}
sub get_from_cache {
my ( $self, $key ) = @_;
return $L1_cache{$key};
}
sub set_in_cache {
my ( $self, $key, $value ) = @_;
$L1_cache{$key} = $value;
}
sub clear_from_cache {
my ( $self, $key ) = @_;
delete $L1_cache{$key};
}
sub flush {
my ( $self ) = @_;
%L1_cache = ();
}
1;