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1 | <?php |
2 | /* | |
3 | +--------------------------------------------------------------------+ | |
fee14197 | 4 | | CiviCRM version 5 | |
6a488035 | 5 | +--------------------------------------------------------------------+ |
6b83d5bd | 6 | | Copyright CiviCRM LLC (c) 2004-2019 | |
6a488035 TO |
7 | +--------------------------------------------------------------------+ |
8 | | This file is a part of CiviCRM. | | |
9 | | | | |
10 | | CiviCRM is free software; you can copy, modify, and distribute it | | |
11 | | under the terms of the GNU Affero General Public License | | |
12 | | Version 3, 19 November 2007 and the CiviCRM Licensing Exception. | | |
13 | | | | |
14 | | CiviCRM is distributed in the hope that it will be useful, but | | |
15 | | WITHOUT ANY WARRANTY; without even the implied warranty of | | |
16 | | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. | | |
17 | | See the GNU Affero General Public License for more details. | | |
18 | | | | |
19 | | You should have received a copy of the GNU Affero General Public | | |
20 | | License and the CiviCRM Licensing Exception along | | |
21 | | with this program; if not, contact CiviCRM LLC | | |
22 | | at info[AT]civicrm[DOT]org. If you have questions about the | | |
23 | | GNU Affero General Public License or the licensing of CiviCRM, | | |
24 | | see the CiviCRM license FAQ at http://civicrm.org/licensing | | |
25 | +--------------------------------------------------------------------+ | |
d25dd0ee | 26 | */ |
6a488035 TO |
27 | |
28 | /** | |
29 | * | |
30 | * @package CRM | |
6b83d5bd | 31 | * @copyright CiviCRM LLC (c) 2004-2019 |
6a488035 | 32 | */ |
6a488035 TO |
33 | class CRM_Utils_Cache_NoCache implements CRM_Utils_Cache_Interface { |
34 | ||
0d64c8fa | 35 | use CRM_Utils_Cache_NaiveMultipleTrait; // TODO Consider native implementation. |
9f70b0e4 | 36 | use CRM_Utils_Cache_NaiveHasTrait; // TODO Native implementation |
0d64c8fa | 37 | |
6a488035 TO |
38 | /** |
39 | * We only need one instance of this object. So we use the singleton | |
40 | * pattern and cache the instance in this variable | |
41 | * | |
42 | * @var object | |
6a488035 TO |
43 | */ |
44 | static private $_singleton = NULL; | |
45 | ||
46 | /** | |
fe482240 | 47 | * Constructor. |
6a488035 | 48 | * |
77855840 TO |
49 | * @param array $config |
50 | * An array of configuration params. | |
6a488035 | 51 | * |
77b97be7 | 52 | * @return \CRM_Utils_Cache_NoCache |
6a488035 | 53 | */ |
00be9182 | 54 | public function __construct($config) { |
6a488035 TO |
55 | } |
56 | ||
5bc392e6 EM |
57 | /** |
58 | * @param string $key | |
59 | * @param mixed $value | |
858451a9 | 60 | * @param null|int|\DateInterval $ttl |
5bc392e6 EM |
61 | * |
62 | * @return bool | |
63 | */ | |
858451a9 | 64 | public function set($key, $value, $ttl = NULL) { |
6a488035 TO |
65 | return FALSE; |
66 | } | |
67 | ||
5bc392e6 EM |
68 | /** |
69 | * @param string $key | |
2da67cc5 | 70 | * @param mixed $default |
5bc392e6 EM |
71 | * |
72 | * @return null | |
73 | */ | |
2da67cc5 TO |
74 | public function get($key, $default = NULL) { |
75 | return $default; | |
6a488035 TO |
76 | } |
77 | ||
5bc392e6 EM |
78 | /** |
79 | * @param string $key | |
80 | * | |
81 | * @return bool | |
82 | */ | |
00be9182 | 83 | public function delete($key) { |
6a488035 TO |
84 | return FALSE; |
85 | } | |
86 | ||
5bc392e6 EM |
87 | /** |
88 | * @return bool | |
89 | */ | |
00be9182 | 90 | public function flush() { |
6a488035 TO |
91 | return FALSE; |
92 | } | |
96025800 | 93 | |
c31de879 TO |
94 | public function clear() { |
95 | return $this->flush(); | |
96 | } | |
97 | ||
6a488035 | 98 | } |