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1 | <?php |
2 | /* | |
3 | +--------------------------------------------------------------------+ | |
bc77d7c0 | 4 | | Copyright CiviCRM LLC. All rights reserved. | |
6a488035 | 5 | | | |
bc77d7c0 TO |
6 | | This work is published under the GNU AGPLv3 license with some | |
7 | | permitted exceptions and without any warranty. For full license | | |
8 | | and copyright information, see https://civicrm.org/licensing | | |
6a488035 | 9 | +--------------------------------------------------------------------+ |
d25dd0ee | 10 | */ |
6a488035 TO |
11 | |
12 | /** | |
13 | * | |
14 | * @package CRM | |
ca5cec67 | 15 | * @copyright CiviCRM LLC https://civicrm.org/licensing |
6a488035 | 16 | */ |
6a488035 TO |
17 | class CRM_Utils_Cache_NoCache implements CRM_Utils_Cache_Interface { |
18 | ||
6714d8d2 SL |
19 | // TODO Consider native implementation. |
20 | use CRM_Utils_Cache_NaiveMultipleTrait; | |
21 | // TODO Native implementation | |
22 | use CRM_Utils_Cache_NaiveHasTrait; | |
0d64c8fa | 23 | |
6a488035 TO |
24 | /** |
25 | * We only need one instance of this object. So we use the singleton | |
26 | * pattern and cache the instance in this variable | |
27 | * | |
28 | * @var object | |
6a488035 TO |
29 | */ |
30 | static private $_singleton = NULL; | |
31 | ||
32 | /** | |
fe482240 | 33 | * Constructor. |
6a488035 | 34 | * |
77855840 TO |
35 | * @param array $config |
36 | * An array of configuration params. | |
6a488035 | 37 | * |
77b97be7 | 38 | * @return \CRM_Utils_Cache_NoCache |
6a488035 | 39 | */ |
00be9182 | 40 | public function __construct($config) { |
6a488035 TO |
41 | } |
42 | ||
5bc392e6 EM |
43 | /** |
44 | * @param string $key | |
45 | * @param mixed $value | |
858451a9 | 46 | * @param null|int|\DateInterval $ttl |
5bc392e6 EM |
47 | * |
48 | * @return bool | |
49 | */ | |
858451a9 | 50 | public function set($key, $value, $ttl = NULL) { |
6a488035 TO |
51 | return FALSE; |
52 | } | |
53 | ||
5bc392e6 EM |
54 | /** |
55 | * @param string $key | |
2da67cc5 | 56 | * @param mixed $default |
5bc392e6 EM |
57 | * |
58 | * @return null | |
59 | */ | |
2da67cc5 TO |
60 | public function get($key, $default = NULL) { |
61 | return $default; | |
6a488035 TO |
62 | } |
63 | ||
5bc392e6 EM |
64 | /** |
65 | * @param string $key | |
66 | * | |
67 | * @return bool | |
68 | */ | |
00be9182 | 69 | public function delete($key) { |
6a488035 TO |
70 | return FALSE; |
71 | } | |
72 | ||
5bc392e6 EM |
73 | /** |
74 | * @return bool | |
75 | */ | |
00be9182 | 76 | public function flush() { |
6a488035 TO |
77 | return FALSE; |
78 | } | |
96025800 | 79 | |
c31de879 TO |
80 | public function clear() { |
81 | return $this->flush(); | |
82 | } | |
83 | ||
6a488035 | 84 | } |