data-objectdriver/lib/Data/ObjectDriver/Driver/Cache/RAM.pm at c43ef5b47427ec8a63142560edefedd1daab8d49 · sixapart/data-objectdriver · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
# $Id$

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]->clone;
    $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]->clone;
    $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;