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<?php |
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/** |
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* Copyright (C) 2018 Gerrit Addiks. |
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* This package (including this file) was released under the terms of the GPL-3.0. |
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* You should have received a copy of the GNU General Public License along with this program. |
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* If not, see <http://www.gnu.org/licenses/> or send me a mail so i can send you a copy. |
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* @license GPL-3.0 |
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* @author Gerrit Addiks <[email protected]> |
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*/ |
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namespace Addiks\RDMBundle\Mapping\Drivers; |
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use Psr\Cache\CacheItemPoolInterface; |
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use Psr\Cache\CacheItemInterface; |
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use Addiks\RDMBundle\Mapping\Drivers\MappingDriverInterface; |
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use Addiks\RDMBundle\Mapping\EntityMappingInterface; |
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use Addiks\RDMBundle\Mapping\MappingInterface; |
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final class CachedMappingDriver implements MappingDriverInterface |
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{ |
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const CACHE_KEY_FORMAT = "addiks_rdm_mapping__%s"; |
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/** |
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* @var MappingDriverInterface |
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*/ |
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private $innerMappingDriver; |
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/** |
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* @var CacheItemPoolInterface |
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*/ |
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private $cacheItemPool; |
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/** |
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* @var array<string, MappingInterface> |
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*/ |
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private $internalCachedMappings = array(); |
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/** |
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* @var int |
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*/ |
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private $internalCachedMappingLimit; |
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public function __construct( |
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MappingDriverInterface $innerMappingDriver, |
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CacheItemPoolInterface $cacheItemPool, |
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int $internalCachedMappingLimit = 100 |
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) { |
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$this->innerMappingDriver = $innerMappingDriver; |
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$this->cacheItemPool = $cacheItemPool; |
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$this->internalCachedMappingLimit = $internalCachedMappingLimit; |
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} |
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public function loadRDMMetadataForClass(string $className): ?EntityMappingInterface |
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{ |
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if (!array_key_exists($className, $this->internalCachedMappings)) { |
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/** @var ?EntityMappingInterface $mapping */ |
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$mapping = null; |
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/** @var CacheItemInterface $cacheItem */ |
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$cacheItem = $this->cacheItemPool->getItem(sprintf( |
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self::CACHE_KEY_FORMAT, |
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preg_replace("/[^a-zA-Z0-9]/is", "_", $className) |
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)); |
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if ($cacheItem->isHit()) { |
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$mapping = unserialize($cacheItem->get()); |
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} else { |
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$mapping = $this->innerMappingDriver->loadRDMMetadataForClass($className); |
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$cacheItem->set(serialize($mapping)); |
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$this->cacheItemPool->saveDeferred($cacheItem); |
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} |
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$this->internalCachedMappings[$className] = $mapping; |
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if (count($this->internalCachedMappings) > $this->internalCachedMappingLimit) { |
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array_shift($this->internalCachedMappings); |
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} |
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} |
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return $this->internalCachedMappings[$className]; |
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} |
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} |
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addiks /
symfony_rdm
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