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<?php |
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namespace Helix\Asana\Api; |
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use Closure; |
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use DateInterval; |
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use Helix\Asana\Api; |
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use Helix\Asana\Base\AbstractEntity; |
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use Helix\Asana\Base\Data; |
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use Psr\SimpleCache\CacheInterface as PSR16; |
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use Psr\SimpleCache\InvalidArgumentException; |
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/** |
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* Adapts a `PSR-16` cache to the runtime entity pool. |
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* |
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* Concurrency locks can be added by extending this class. |
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* |
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* @see https://www.php-fig.org/psr/psr-16/ |
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*/ |
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class SimpleCache extends Cache { |
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/** |
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* @var PSR16 |
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*/ |
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protected $psr; |
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/** |
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* Defaults to 1 hour. |
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* |
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* @var DateInterval |
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*/ |
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protected $ttl; |
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/** |
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* @param PSR16 $psr |
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*/ |
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public function __construct (PSR16 $psr) { |
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$this->psr = $psr; |
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$this->ttl = new DateInterval('PT1H'); |
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} |
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/** |
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* @param string $key |
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* @throws InvalidArgumentException |
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*/ |
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protected function _delete (string $key) { |
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$this->psr->delete('asana:' . $key); |
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} |
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/** |
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* @param string $key |
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* @return null|string|AbstractEntity |
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* @throws InvalidArgumentException |
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*/ |
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protected function _get (string $key) { |
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return $this->psr->get('asana:' . $key); |
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} |
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/** |
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* @param string $key |
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* @param mixed $value |
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* @throws InvalidArgumentException |
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*/ |
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protected function _set (string $key, $value) { |
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$this->psr->set('asana:' . $key, $value, $this->ttl); |
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} |
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/** |
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* @param AbstractEntity $entity |
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* @return bool |
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* @throws InvalidArgumentException |
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*/ |
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public function add (AbstractEntity $entity): bool { |
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if (parent::add($entity)) { |
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$this->_set($entity->getGid(), $entity); |
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return true; |
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} |
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return false; |
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} |
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/** |
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* @param string $gid |
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* @param string[] $keys |
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* @throws InvalidArgumentException |
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*/ |
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protected function addKeys (string $gid, array $keys): void { |
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parent::addKeys($gid, $keys); |
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// stash gid refs |
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foreach ($keys as $key) { |
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if ($key != $gid) { // loose, key may actually be int |
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$this->_set($key, $gid); |
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} |
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} |
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} |
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/** |
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* @param string $key |
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* @param Api|Data $caller |
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* @param Closure $factory |
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* @return null|AbstractEntity |
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* @throws InvalidArgumentException |
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*/ |
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public function get (string $key, $caller, Closure $factory) { |
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// POOL MISS && CACHE HIT |
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if (!isset($this->gids[$key]) and $entity = $this->_get($key)) { |
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// dereference gid? |
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if (is_string($entity)) { |
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// recurse (once) for the entity |
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if ($entity = $this->get($entity, $caller, $factory)) { |
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return $entity; |
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} |
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// remove bad ref |
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$this->_delete($key); |
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} |
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} |
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// POOL HIT || CACHE MISS |
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return parent::get($key, $caller, $factory); |
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} |
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/** |
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* @return DateInterval |
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*/ |
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public function getTtl () { |
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return $this->ttl; |
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} |
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/** |
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* @param AbstractEntity $entity |
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* @throws InvalidArgumentException |
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*/ |
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public function remove (AbstractEntity $entity): void { |
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parent::remove($entity); |
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foreach ($entity->getCacheKeys() as $key) { |
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$this->_delete($key); |
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} |
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} |
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/** |
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* @param DateInterval $ttl |
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* @return $this |
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*/ |
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public function setTtl (DateInterval $ttl) { |
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$this->ttl = $ttl; |
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return $this; |
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} |
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} |
hfw /
asana
