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Cache.php
97 lines
| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * Matomo - free/libre analytics platform |
| 5 | * |
| 6 | * @link https://matomo.org |
| 7 | * @license https://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later |
| 8 | */ |
| 9 | namespace Piwik; |
| 10 | |
| 11 | use Piwik\Container\StaticContainer; |
| 12 | class Cache |
| 13 | { |
| 14 | /** |
| 15 | * This can be considered as the default cache to use in case you don't know which one to pick. It does not support |
| 16 | * the caching of any objects though. Only boolean, numbers, strings and arrays are supported. Whenever you request |
| 17 | * an entry from the cache it will fetch the entry. Cache entries might be persisted but not necessarily. It |
| 18 | * depends on the configured backend. |
| 19 | * |
| 20 | * @return \Matomo\Cache\Lazy |
| 21 | */ |
| 22 | public static function getLazyCache() |
| 23 | { |
| 24 | return StaticContainer::get('Matomo\\Cache\\Lazy'); |
| 25 | } |
| 26 | /** |
| 27 | * This class is used to cache any data during one request. It won't be persisted between requests and it can |
| 28 | * cache all kind of data, even objects or resources. This cache is very fast. |
| 29 | * |
| 30 | * @return \Matomo\Cache\Transient |
| 31 | */ |
| 32 | public static function getTransientCache() |
| 33 | { |
| 34 | return StaticContainer::get('Matomo\\Cache\\Transient'); |
| 35 | } |
| 36 | /** |
| 37 | * This cache stores all its cache entries under one "cache" entry in a configurable backend. |
| 38 | * |
| 39 | * This comes handy for things that you need very often, nearly in every request. For example plugin metadata, the |
| 40 | * list of tracker plugins, the list of available languages, ... |
| 41 | * Instead of having to read eg. a hundred cache entries from files (or any other backend) it only loads one cache |
| 42 | * entry which contains the hundred keys. Should be used only for things that you need very often and only for |
| 43 | * cache entries that are not too large to keep loading and parsing the single cache entry fast. |
| 44 | * All cache entries it contains have the same life time. For fast performance it won't validate any cache ids. |
| 45 | * It is not possible to cache any objects using this cache. |
| 46 | * |
| 47 | * @return \Matomo\Cache\Eager |
| 48 | */ |
| 49 | public static function getEagerCache() |
| 50 | { |
| 51 | return StaticContainer::get('Matomo\\Cache\\Eager'); |
| 52 | } |
| 53 | public static function flushAll() |
| 54 | { |
| 55 | self::getLazyCache()->flushAll(); |
| 56 | self::getTransientCache()->flushAll(); |
| 57 | self::getEagerCache()->flushAll(); |
| 58 | } |
| 59 | /** |
| 60 | * @param string $type |
| 61 | * @return \Matomo\Cache\Backend |
| 62 | */ |
| 63 | public static function buildBackend($type) |
| 64 | { |
| 65 | $factory = new \Matomo\Cache\Backend\Factory(); |
| 66 | $options = self::getOptions($type); |
| 67 | $backend = $factory->buildBackend($type, $options); |
| 68 | return $backend; |
| 69 | } |
| 70 | private static function getOptions($type) |
| 71 | { |
| 72 | $options = self::getBackendOptions($type); |
| 73 | switch ($type) { |
| 74 | case 'file': |
| 75 | $options = array('directory' => StaticContainer::get('path.cache')); |
| 76 | break; |
| 77 | case 'chained': |
| 78 | foreach ($options['backends'] as $backend) { |
| 79 | $options[$backend] = self::getOptions($backend); |
| 80 | } |
| 81 | break; |
| 82 | case 'redis': |
| 83 | if (!empty($options['timeout'])) { |
| 84 | $options['timeout'] = (float) \Piwik\Common::forceDotAsSeparatorForDecimalPoint($options['timeout']); |
| 85 | } |
| 86 | break; |
| 87 | } |
| 88 | return $options; |
| 89 | } |
| 90 | private static function getBackendOptions($backend) |
| 91 | { |
| 92 | $key = ucfirst($backend) . 'Cache'; |
| 93 | $options = \Piwik\Config::getInstance()->{$key}; |
| 94 | return $options; |
| 95 | } |
| 96 | } |
| 97 |