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<?php |
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/** |
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* StorageFactory for storage adapter for php-hystrix. |
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* |
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* PHP version 7.2 |
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* |
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* @category Adapter |
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* @package Storage |
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* @author Liam Sorsby <[email protected]> |
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* @license https://www.apache.org/licenses/LICENSE-2.0 Apache |
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* @link https://github.org/liamsorsby/php-hystrix |
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* |
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* For the full copyright and license information, please view the LICENSE file. |
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*/ |
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namespace liamsorsby\Hystrix\Storage; |
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use Cache\Adapter\Apcu\ApcuCachePool; |
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use Cache\Adapter\Redis\RedisCachePool; |
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use liamsorsby\Hystrix\Storage\Adapter\{AbstractStorage, Apc, RedisCluster}; |
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/** |
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* Class StorageFactory |
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* |
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* @category Adapter |
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* @package Storage |
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* @author Liam Sorsby <[email protected]> |
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* @license https://www.apache.org/licenses/LICENSE-2.0 Apache |
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* @link https://github.org/liamsorsby/php-hystrix |
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*/ |
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class StorageFactory |
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{ |
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public const REDISCLUSTER = 'redis-cluster'; |
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public const APCU = 'apcu'; |
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public const DEFAULT_PREFIX = ''; |
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public const DEFAULT_THRESHOLD = 10; |
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public const DEFAULT_DURATION = 500; |
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/** |
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* Creates storage from static factory method |
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* |
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* @param string $storage Storage string to create the instance. |
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* @param array $options Storage options to be passed to the instance. |
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* |
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* @throws \RedisClusterException |
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* |
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* @return AbstractStorage |
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*/ |
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public function create(string $storage, array $options): AbstractStorage |
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{ |
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$options = $this->normaliseOptions($options); |
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switch ($storage) { |
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case self::REDISCLUSTER: |
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return $this->createRedisClusterAdapter($options); |
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case self::APCU: |
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return $this->createApcuAdapter($options); |
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default: |
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throw new \InvalidArgumentException( |
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sprintf('Invalid storage provided: %s', $storage) |
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); |
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}; |
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} |
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/** |
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* Create Redis Cluster Adapter. |
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* |
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* @param array $options Options to be passed to the redis cluster adapter. |
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* |
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* @throws \RedisClusterException |
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* |
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* @return RedisCluster |
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*/ |
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protected function createRedisClusterAdapter(array $options): RedisCluster |
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{ |
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$storage = new RedisCluster( |
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$options['prefix'], |
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$options['threshold'], |
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$options['duration'] |
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); |
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$storage->setStorage( |
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$this->createRedisCluster($options) |
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); |
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return $storage; |
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} |
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/** |
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* Build Redis Cluster Config |
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* |
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* @param array $options Options to be passed to the redis cluster. |
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* |
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* @throws \RedisClusterException |
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* |
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* @return RedisCachePool |
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*/ |
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protected function createRedisCluster(array $options): RedisCachePool |
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{ |
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$redis = new \RedisCluster( |
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$options['name'], |
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$options['seeds'], |
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$options['timeout'] ?? null, |
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$options['readTimeout'] ?? null, |
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$options['persistent'] ?? false |
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); |
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return new RedisCachePool($redis); |
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} |
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/** |
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* Build APC instance. |
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* |
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* @param array $options Options to be passed to the APC adapter. |
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* |
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* @return Apc |
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*/ |
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protected function createApcuAdapter(array $options): Apc |
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{ |
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$apc = new Apc( |
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$options['prefix'], |
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$options['threshold'], |
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$options['duration'] |
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); |
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$apc->setStorage(new ApcuCachePool($options['skipOnCli'] ?? false)); |
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return $apc; |
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} |
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/** |
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* Normalise options to return defaults if they aren't set |
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* |
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* @param array $options Options array to be checked |
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* |
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* @return array |
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*/ |
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protected function normaliseOptions(array $options): array |
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{ |
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if (!isset($options['prefix'])) { |
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$options['prefix'] = self::DEFAULT_PREFIX; |
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} |
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if (!isset($options['duration'])) { |
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$options['duration'] = self::DEFAULT_DURATION; |
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} |
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if (!isset($options['threshold'])) { |
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$options['threshold'] = self::DEFAULT_THRESHOLD; |
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} |
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return $options; |
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} |
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} |
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liamsorsby /
php-hystrix
