# $Id$
package Data::ObjectDriver::Driver::Cache::RAM;
use strict;
use warnings;
use base qw( Data::ObjectDriver::Driver::BaseCache );
my %Cache;
sub init {
    my $driver = shift;
    my %param  = @_;
    $param{cache} ||= 1; # hack
    $driver->SUPER::init(%param);
}
sub get_from_cache {
    my $driver = shift;
    $driver->start_query('RAMCACHE_GET ?', \@_);
    my $ret = $Cache{$_[0]};
    $driver->end_query(undef);
    return if !defined $ret;
    return $ret;
}
sub add_to_cache {
    my $driver = shift;
    $driver->start_query('RAMCACHE_ADD ?', \@_);
    my $ret = $Cache{$_[0]} = $_[1];
    $driver->end_query(undef);
    return if !defined $ret;
    return $ret;
}
sub update_cache {
    my $driver = shift;
    $driver->start_query('RAMCACHE_SET ?', \@_);
    my $ret = $Cache{$_[0]} = $_[1];
    $driver->end_query(undef);
    return if !defined $ret;
    return $ret;
}
sub remove_from_cache {
    my $driver = shift;
    $driver->start_query('RAMCACHE_DELETE ?', \@_);
    my $ret = delete $Cache{$_[0]};
    $driver->end_query(undef);
    return if !defined $ret;
    return $ret;
}
sub clear_cache {
    my $driver = shift;
    $driver->start_query('RAMCACHE_CLEAR');
    %Cache = ();
    $driver->end_query(undef);
    return;
}
1;