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<?php |
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namespace Isswp101\Persimmon\Cache; |
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use Isswp101\Persimmon\Model; |
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class RuntimeCache |
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{ |
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/** |
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* Cache. |
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* |
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* @var array [ |
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* 'instance' => Model, |
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* 'attributes' => [] |
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* ] |
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*/ |
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private $cache = []; |
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/** |
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* Return true if cache contains this key. |
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* |
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* @param mixed $key |
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* @return bool |
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*/ |
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public function has($key) |
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{ |
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return array_key_exists($key, $this->cache); |
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} |
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/** |
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* Return instance from cache. |
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* |
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* @param mixed $key |
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* @return Model |
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*/ |
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public function get($key) |
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{ |
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return $this->has($key) ? $this->cache[$key]['instance'] : null; |
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} |
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/** |
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* Return all cache keys. |
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* |
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* @return array |
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*/ |
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public function keys() |
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{ |
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return array_keys($this->cache); |
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} |
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/** |
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* Put instance to cache. |
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* |
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* @param mixed $key |
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* @param Model $instance |
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* @param array $attributes |
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* @return Model |
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*/ |
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public function put($key, Model $instance, array $attributes = ['*']) |
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{ |
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if ($attributes != ['*'] && $this->has($key)) { |
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$instance = Model::merge($this->cache[$key]['instance'], $instance, $attributes); |
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$attributes = array_merge($this->cache[$key]['attributes'], $attributes); |
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} |
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$this->cache[$key] = [ |
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'instance' => $instance, |
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'attributes' => $attributes |
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]; |
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return $instance; |
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} |
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/** |
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* Return true if cache has already given attributes. |
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* |
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* @param mixed $key |
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* @param array $attributes |
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* @return bool |
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*/ |
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public function containsAttributes($key, array $attributes = ['*']) |
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{ |
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return empty($this->getNotCachedAttributes($key, $attributes)); |
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} |
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/** |
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* Return the difference between given attributes and attributes which are already cached. |
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* |
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* @param mixed $key |
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* @param array $attributes |
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* @return array |
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*/ |
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public function getNotCachedAttributes($key, array $attributes = ['*']) |
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{ |
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if (!$this->has($key)) { |
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return $attributes; |
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} |
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$cached_attributes = $this->cache[$key]['attributes']; |
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return $cached_attributes == ['*'] ? [] : array_diff($attributes, $cached_attributes); |
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} |
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/** |
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* Remove an item from the cache by key. |
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* |
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* @param mixed $key |
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* @return $this |
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*/ |
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public function forget($key) |
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{ |
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unset($this->cache[$key]); |
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return $this; |
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} |
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} |
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devemio /
elasticsearch-eloquent
