CacheAdapter.php
78 lines
| 1 | <?php |
| 2 | /** |
| 3 | * CacheAdapter.php |
| 4 | * |
| 5 | * @package Embera |
| 6 | * @author Michael Pratt <yo@michael-pratt.com> |
| 7 | * @link http://www.michael-pratt.com/ |
| 8 | * |
| 9 | * For the full copyright and license information, please view the LICENSE |
| 10 | * file that was distributed with this source code. |
| 11 | */ |
| 12 | |
| 13 | namespace Embera\Cache; |
| 14 | |
| 15 | use InvalidArgumentException; |
| 16 | |
| 17 | /** |
| 18 | * This class is responsible for holding duplicate logic |
| 19 | * in the cache class. |
| 20 | */ |
| 21 | abstract class CacheAdapter |
| 22 | { |
| 23 | /** |
| 24 | * Obtains multiple cache items by their unique keys. |
| 25 | * |
| 26 | * @param iterable $keys A list of keys that can obtained in a single operation. |
| 27 | * @param mixed $default Default value to return for keys that do not exist. |
| 28 | * |
| 29 | * @return iterable A list of key => value pairs. |
| 30 | * |
| 31 | * @throws InvalidArgumentException |
| 32 | */ |
| 33 | public function getMultiple($keys, $default = null) |
| 34 | { |
| 35 | $return = []; |
| 36 | foreach ($keys as $k) { |
| 37 | $return[$k] = $this->get($k, $default); |
| 38 | } |
| 39 | |
| 40 | return $return; |
| 41 | } |
| 42 | |
| 43 | /** |
| 44 | * Persists a set of key => value pairs in the cache, with an optional TTL. |
| 45 | * |
| 46 | * @param iterable $values A list of key => value pairs for a multiple-set operation. |
| 47 | * @param null|int|\DateInterval $ttl Optional. The TTL value of this item |
| 48 | * @return bool |
| 49 | * |
| 50 | * @throws InvalidArgumentException |
| 51 | */ |
| 52 | public function setMultiple($values, $ttl = null) |
| 53 | { |
| 54 | foreach ($values as $k => $v) { |
| 55 | $this->set($k, $v, $ttl); |
| 56 | } |
| 57 | |
| 58 | return true; |
| 59 | } |
| 60 | |
| 61 | /** |
| 62 | * Deletes multiple cache items in a single operation. |
| 63 | * |
| 64 | * @param iterable $keys A list of string-based keys to be deleted. |
| 65 | * @return bool |
| 66 | * |
| 67 | * @throws InvalidArgumentException |
| 68 | */ |
| 69 | public function deleteMultiple($keys) |
| 70 | { |
| 71 | foreach ($keys as $k) { |
| 72 | $this->delete($k); |
| 73 | } |
| 74 | |
| 75 | return true; |
| 76 | } |
| 77 | } |
| 78 |