| 1 | <?php |
| 2 | /* |
| 3 | +--------------------------------------------------------------------+ |
| 4 | | CiviCRM version 5 | |
| 5 | +--------------------------------------------------------------------+ |
| 6 | | Copyright CiviCRM LLC (c) 2004-2019 | |
| 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 | +--------------------------------------------------------------------+ |
| 26 | */ |
| 27 | |
| 28 | /** |
| 29 | * |
| 30 | * @package CRM |
| 31 | * @copyright CiviCRM LLC (c) 2004-2019 |
| 32 | */ |
| 33 | class CRM_Utils_Cache_NoCache implements CRM_Utils_Cache_Interface { |
| 34 | |
| 35 | // TODO Consider native implementation. |
| 36 | use CRM_Utils_Cache_NaiveMultipleTrait; |
| 37 | // TODO Native implementation |
| 38 | use CRM_Utils_Cache_NaiveHasTrait; |
| 39 | |
| 40 | /** |
| 41 | * We only need one instance of this object. So we use the singleton |
| 42 | * pattern and cache the instance in this variable |
| 43 | * |
| 44 | * @var object |
| 45 | */ |
| 46 | static private $_singleton = NULL; |
| 47 | |
| 48 | /** |
| 49 | * Constructor. |
| 50 | * |
| 51 | * @param array $config |
| 52 | * An array of configuration params. |
| 53 | * |
| 54 | * @return \CRM_Utils_Cache_NoCache |
| 55 | */ |
| 56 | public function __construct($config) { |
| 57 | } |
| 58 | |
| 59 | /** |
| 60 | * @param string $key |
| 61 | * @param mixed $value |
| 62 | * @param null|int|\DateInterval $ttl |
| 63 | * |
| 64 | * @return bool |
| 65 | */ |
| 66 | public function set($key, $value, $ttl = NULL) { |
| 67 | return FALSE; |
| 68 | } |
| 69 | |
| 70 | /** |
| 71 | * @param string $key |
| 72 | * @param mixed $default |
| 73 | * |
| 74 | * @return null |
| 75 | */ |
| 76 | public function get($key, $default = NULL) { |
| 77 | return $default; |
| 78 | } |
| 79 | |
| 80 | /** |
| 81 | * @param string $key |
| 82 | * |
| 83 | * @return bool |
| 84 | */ |
| 85 | public function delete($key) { |
| 86 | return FALSE; |
| 87 | } |
| 88 | |
| 89 | /** |
| 90 | * @return bool |
| 91 | */ |
| 92 | public function flush() { |
| 93 | return FALSE; |
| 94 | } |
| 95 | |
| 96 | public function clear() { |
| 97 | return $this->flush(); |
| 98 | } |
| 99 | |
| 100 | } |