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<?php |
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/** |
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* |
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* This file is part of Phpfastcache. |
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* |
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* @license MIT License (MIT) |
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* |
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* For full copyright and license information, please see the docs/CREDITS.txt file. |
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* |
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* @author Georges.L (Geolim4) <[email protected]> |
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* |
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*/ |
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declare(strict_types=1); |
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namespace Phpfastcache\Cluster; |
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use Exception; |
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use Phpfastcache\CacheManager; |
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use Phpfastcache\Config\ConfigurationOption; |
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use Phpfastcache\Event\Event; |
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use Phpfastcache\EventManager; |
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use Phpfastcache\Exceptions\PhpfastcacheDriverCheckException; |
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use Phpfastcache\Exceptions\PhpfastcacheDriverException; |
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use Phpfastcache\Exceptions\PhpfastcacheDriverNotFoundException; |
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use Phpfastcache\Exceptions\PhpfastcacheInvalidArgumentException; |
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use Phpfastcache\Exceptions\PhpfastcacheLogicException; |
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use stdClass; |
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class ClusterAggregator implements AggregatorInterface |
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{ |
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/** |
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* @var array<string, AggregatablePoolInterface> |
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*/ |
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protected array $driverPools; |
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protected ClusterPoolInterface $cluster; |
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protected string $clusterAggregatorName; |
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/** |
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* ClusterAggregator constructor. |
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* @param string $clusterAggregatorName |
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* @param array<AggregatablePoolInterface> $driverPools |
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* @throws PhpfastcacheLogicException |
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*/ |
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public function __construct(string $clusterAggregatorName = '', AggregatablePoolInterface ...$driverPools) |
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{ |
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$clusterAggregatorName = trim($clusterAggregatorName); |
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if (empty($clusterAggregatorName)) { |
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try { |
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$clusterAggregatorName = 'cluster_' . \bin2hex(\random_bytes(15)); |
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} catch (Exception) { |
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$clusterAggregatorName = 'cluster_' . \str_shuffle(\spl_object_hash(new stdClass())); |
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} |
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} |
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$this->clusterAggregatorName = $clusterAggregatorName; |
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foreach ($driverPools as $driverPool) { |
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$this->aggregateDriver($driverPool); |
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} |
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} |
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/** |
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* @param AggregatablePoolInterface $driverPool |
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* |
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* @throws PhpfastcacheLogicException |
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*/ |
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public function aggregateDriver(AggregatablePoolInterface $driverPool): void |
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{ |
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if (isset($this->cluster)) { |
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throw new PhpfastcacheLogicException('The cluster has been already build, cannot aggregate more pools.'); |
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} |
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$splHash = \spl_object_hash($driverPool); |
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if (!isset($this->driverPools[$splHash])) { |
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if ($driverPool instanceof ClusterPoolInterface) { |
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throw new PhpfastcacheLogicException('Recursive cluster aggregation is not allowed !'); |
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} |
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$this->driverPools[$splHash] = $driverPool; |
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} else { |
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throw new PhpfastcacheLogicException('This pool has been already aggregated !'); |
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} |
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} |
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/** |
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* @param string $driverName |
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* @param ConfigurationOption|null $driverConfig |
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* @throws PhpfastcacheDriverCheckException |
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* @throws PhpfastcacheDriverException |
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* @throws PhpfastcacheDriverNotFoundException |
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* @throws PhpfastcacheLogicException |
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*/ |
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public function aggregateDriverByName(string $driverName, ?ConfigurationOption $driverConfig = null): void |
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{ |
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if (isset($this->cluster)) { |
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throw new PhpfastcacheLogicException('The cluster has been already build, cannot aggregate more pools.'); |
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} |
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$driverInstance = CacheManager::getInstance($driverName, $driverConfig); |
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if ($driverInstance instanceof AggregatablePoolInterface) { |
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$this->aggregateDriver($driverInstance); |
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} |
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throw new PhpfastcacheDriverException( |
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\sprintf( |
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'Driver "%s" does not implements "%s"', |
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$driverInstance::class, |
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AggregatablePoolInterface::class |
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) |
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); |
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} |
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/** |
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* @param AggregatablePoolInterface $driverPool |
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* |
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* @throws PhpfastcacheLogicException |
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*/ |
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public function disaggregateDriver(AggregatablePoolInterface $driverPool): void |
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{ |
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if (isset($this->cluster)) { |
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throw new PhpfastcacheLogicException('The cluster has been already build, cannot disaggregate pools.'); |
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} |
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$splHash = \spl_object_hash($driverPool); |
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if (isset($this->driverPools[$splHash])) { |
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unset($this->driverPools[$splHash]); |
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} else { |
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throw new PhpfastcacheLogicException('This pool was not aggregated !'); |
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} |
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} |
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/** |
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* @param int $strategy |
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* |
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* @return ClusterPoolInterface |
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* @throws PhpfastcacheInvalidArgumentException |
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*/ |
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public function getCluster(int $strategy = AggregatorInterface::STRATEGY_FULL_REPLICATION): ClusterPoolInterface |
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{ |
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if (isset(ClusterPoolAbstract::STRATEGY[$strategy])) { |
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if (!isset($this->cluster)) { |
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$clusterClass = ClusterPoolAbstract::STRATEGY[$strategy]; |
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$this->cluster = new $clusterClass( |
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$this->getClusterAggregatorName(), |
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EventManager::getInstance(), |
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...\array_values($this->driverPools) |
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); |
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$this->cluster->getEventManager()->dispatch(Event::CACHE_CLUSTER_BUILT, $this, $this->cluster); |
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} |
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} else { |
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throw new PhpfastcacheInvalidArgumentException('Unknown cluster strategy'); |
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} |
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return $this->cluster; |
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} |
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/** |
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* @return string |
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*/ |
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public function getClusterAggregatorName(): string |
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{ |
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return $this->clusterAggregatorName; |
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} |
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} |
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PHPSocialNetwork /
phpfastcache
