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<?php |
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namespace Helix\Asana\Api; |
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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\AbstractEntity\ImmutableInterface; |
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use Helix\Asana\Base\Data; |
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use Psr\SimpleCache\CacheException; |
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use Psr\SimpleCache\CacheInterface as PSR16; |
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/** |
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* Adapts a `PSR-16 SimpleCache` instance to the runtime entity pool. |
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* |
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* Concurrency locks can be implemented 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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* @see FileCache |
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*/ |
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class SimpleCachePool extends Pool { |
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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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* @var int |
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*/ |
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protected $ttl = 3600; |
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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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} |
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/** |
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* @param AbstractEntity $entity |
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* @throws CacheException |
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*/ |
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protected function _add (AbstractEntity $entity): void { |
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assert($entity->hasGid()); |
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$this->psr->set("asana/{$entity->getGid()}", $entity, $this->_getTtl($entity)); |
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parent::_add($entity); |
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} |
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/** |
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* @param AbstractEntity $entity |
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* @param string[] $keys |
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* @throws CacheException |
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*/ |
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protected function _addKeys (AbstractEntity $entity, ...$keys): void { |
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assert($entity->hasGid()); |
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$gid = $entity->getGid(); |
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$ttl = $this->_getTtl($entity); |
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foreach ($keys as $key) { |
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if ($key !== $gid) { |
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$this->psr->set("asana/{$key}", $gid, $ttl); |
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} |
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} |
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parent::_addKeys($entity, ...$keys); |
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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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* @return null|AbstractEntity |
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* @throws CacheException |
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*/ |
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protected function _get (string $key, $caller) { |
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if (!$entity = parent::_get($key, $caller) and $entity = $this->psr->get("asana/{$key}")) { |
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if (is_string($entity)) { // gid ref |
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if (!$entity = $this->_get($entity, $caller)) { |
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$this->psr->delete("asana/{$key}"); // bad ref |
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} |
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return $entity; |
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} |
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/** @var AbstractEntity $entity */ |
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parent::_add($entity); // pool before hydration to make circular references safe. |
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$entity->__construct($caller, $entity->__debugInfo()); // hydrate |
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parent::_addKeys($entity, $key, ...$entity->getPoolKeys()); |
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} |
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return $entity; |
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} |
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/** |
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* @param AbstractEntity $entity |
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* @return int |
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*/ |
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protected function _getTtl (AbstractEntity $entity): int { |
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if ($entity instanceof ImmutableInterface) { |
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return strtotime('tomorrow') - time(); |
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} |
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return $this->ttl; |
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} |
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/** |
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* @param string $key |
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* @return bool |
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* @throws CacheException |
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*/ |
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protected function _has (string $key): bool { |
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return parent::_has($key) or $this->psr->has("asana/{$key}"); |
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} |
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/** |
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* @return int |
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*/ |
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final public function getTtl (): int { |
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return $this->ttl; |
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} |
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/** |
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* @param string[] $keys |
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* @throws CacheException |
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*/ |
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public function remove (array $keys): void { |
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parent::remove($keys); |
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foreach ($keys as $key) { |
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$this->psr->delete("asana/{$key}"); |
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} |
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} |
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/** |
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* @param int $ttl |
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* @return $this |
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*/ |
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final public function setTtl (int $ttl) { |
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$this->ttl = $ttl; |
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return $this; |
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} |
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} |
hfw /
asana
