|  line  | 
 stmt  | 
 bran  | 
 cond  | 
 sub  | 
 pod  | 
 time  | 
 code  | 
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1
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 package Data::Model::Driver::Cache::Memcached;  | 
| 
2
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42
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42
  
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32371
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 use strict;  | 
| 
 
 | 
42
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 | 
229
 | 
    | 
| 
 
 | 
42
 | 
 
 | 
 
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 | 
 
 | 
1562
 | 
    | 
| 
3
 | 
42
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 | 
  
42
  
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690
 | 
 use warnings;  | 
| 
 
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42
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 | 
80
 | 
    | 
| 
 
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42
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1281
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    | 
| 
4
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42
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42
  
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216
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 use base 'Data::Model::Driver::Cache';  | 
| 
 
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42
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65
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    | 
| 
 
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42
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28925
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    | 
| 
5
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    | 
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6
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    | 
| 
7
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 sub add_to_cache {  | 
| 
8
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0
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0
  
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0
  
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     my($self, $key, $data) = @_;  | 
| 
9
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    | 
| 
10
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0
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     my $ret = $self->{memcached}->add($key, $data);  | 
| 
11
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0
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  0
  
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     return if !defined $ret;  | 
| 
12
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0
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     return $ret;  | 
| 
13
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 }  | 
| 
14
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    | 
| 
15
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 sub get_from_cache {  | 
| 
16
 | 
0
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 | 
  
0
  
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0
  
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     my($self, $key) = @_;  | 
| 
17
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    | 
| 
18
 | 
0
 | 
 
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     my $ret = $self->{memcached}->get($key);  | 
| 
19
 | 
0
 | 
  
  0
  
 | 
 
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     return if !defined $ret;  | 
| 
20
 | 
0
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     return $ret;  | 
| 
21
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 }  | 
| 
22
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    | 
| 
23
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 sub get_multi_from_cache {  | 
| 
24
 | 
0
 | 
 
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 | 
  
0
  
 | 
  
0
  
 | 
 
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     my($self, $keys) = @_;  | 
| 
25
 | 
 
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    | 
| 
26
 | 
0
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
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     my $ret = $self->{memcached}->get_multi($keys);  | 
| 
27
 | 
0
 | 
  
  0
  
 | 
 
 | 
 
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     return if !defined $ret;  | 
| 
28
 | 
0
 | 
 
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 | 
     return $ret;  | 
| 
29
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 | 
 }  | 
| 
30
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    | 
| 
31
 | 
 
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 sub remove_from_cache {  | 
| 
32
 | 
0
 | 
 
 | 
 
 | 
  
0
  
 | 
  
0
  
 | 
 
 | 
     my($self, $key) = @_;  | 
| 
33
 | 
 
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 | 
 
 | 
 
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 | 
 
 | 
       | 
| 
34
 | 
0
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
     my $ret = $self->{memcached}->delete($key);  | 
| 
35
 | 
0
 | 
  
  0
  
 | 
 
 | 
 
 | 
 
 | 
 
 | 
     return if !defined $ret;  | 
| 
36
 | 
0
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
     return $ret;  | 
| 
37
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 | 
 }  | 
| 
38
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    | 
| 
39
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 1;  | 
| 
40
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 | 
 
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 | 
    | 
| 
41
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 | 
 =head1 NAME  | 
| 
42
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    | 
| 
43
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 Data::Model::Driver::Cache::Memcached - Penetration cache is offered to the basic driver by memcached protocol  | 
| 
44
 | 
 
 | 
 
 | 
 
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    | 
| 
45
 | 
 
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 | 
 =head1 SYNOPSIS  | 
| 
46
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 | 
 
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 | 
    | 
| 
47
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
   package MyDB;  | 
| 
48
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
   use base 'Data::Model';  | 
| 
49
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
   use Data::Model::Schema;  | 
| 
50
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
   use Data::Model::Driver::DBI;  | 
| 
51
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
   use Data::Model::Driver::Cache::Memcached;  | 
| 
52
 | 
 
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 | 
     | 
| 
53
 | 
 
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 | 
 
 | 
   my $dbi_connect_options = {};  | 
| 
54
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
   my $fallback_driver = Data::Model::Driver::DBI->new(  | 
| 
55
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
       dsn             => 'dbi:mysql:host=localhost:database=test',  | 
| 
56
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
       username        => 'user',  | 
| 
57
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
       password        => 'password',  | 
| 
58
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
       connect_options => $dbi_connect_options,  | 
| 
59
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
   );  | 
| 
60
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
    | 
| 
61
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
   my $driver = Data::Model::Driver::Cache::Memcached->new(  | 
| 
62
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
       fallback  => $fallback_driver,  | 
| 
63
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
       memcached => Cache::Memcached::Fast->new({ servers => [ { address => "localhost:11211" }, ], }),  | 
| 
64
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
   );  | 
| 
65
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
     | 
| 
66
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
   base_driver $driver;  | 
| 
67
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
   install_model model_name => schema {  | 
| 
68
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
     ....  | 
| 
69
 | 
 
 | 
 
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 | 
 
 | 
 
 | 
 
 | 
   };  | 
| 
70
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
    | 
| 
71
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 =head1 DESCRIPTION  | 
| 
72
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
    | 
| 
73
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 Penetration cache is offered to the basic driver.  | 
| 
74
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 Cash is stored in the memcached protocol server.  | 
| 
75
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
    | 
| 
76
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 When cash does not hit, it asks fallback driver.  | 
| 
77
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
    | 
| 
78
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 =head1 SEE ALSO  | 
| 
79
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
    | 
| 
80
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 L,  | 
| 
81
 | 
 
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 | 
 
 | 
 
 | 
 
 | 
 
 | 
 L  | 
| 
82
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 | 
 
 | 
 
 | 
 
 | 
 
 | 
    | 
| 
83
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 =head1 AUTHOR  | 
| 
84
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
    | 
| 
85
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 Kazuhiro Osawa Eyappo  shibuya  plE  | 
| 
86
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
    | 
| 
87
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 =head1 LICENSE  | 
| 
88
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
    | 
| 
89
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 This library is free software; you can redistribute it and/or modify  | 
| 
90
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 it under the same terms as Perl itself.  | 
| 
91
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
    | 
| 
92
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 =cut  |