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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\Drivers\MasterSlaveReplication; |
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use Phpfastcache\Cluster\ClusterPoolAbstract; |
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use Phpfastcache\Core\Pool\ExtendedCacheItemPoolInterface; |
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use Phpfastcache\Exceptions\PhpfastcacheDriverCheckException; |
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use Phpfastcache\Exceptions\PhpfastcacheDriverConnectException; |
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use Phpfastcache\Exceptions\PhpfastcacheExceptionInterface; |
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use Phpfastcache\Exceptions\PhpfastcacheInvalidArgumentException; |
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use Phpfastcache\Exceptions\PhpfastcacheInvalidConfigurationException; |
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use Phpfastcache\Exceptions\PhpfastcacheReplicationException; |
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use Psr\Cache\CacheItemInterface; |
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use ReflectionException; |
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/** |
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* Class MasterSlaveReplicationCluster |
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* @package Phpfastcache\Cluster\Drivers\MasterSlaveReplication |
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*/ |
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class MasterSlaveReplicationCluster extends ClusterPoolAbstract |
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{ |
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/** |
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* MasterSlaveReplicationCluster constructor. |
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* @param string $clusterName |
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* @param ExtendedCacheItemPoolInterface ...$driverPools |
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* @throws PhpfastcacheInvalidArgumentException |
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* @throws PhpfastcacheDriverCheckException |
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* @throws PhpfastcacheDriverConnectException |
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* @throws PhpfastcacheInvalidConfigurationException |
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* @throws ReflectionException |
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*/ |
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public function __construct(string $clusterName, ExtendedCacheItemPoolInterface ...$driverPools) |
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{ |
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if (\count($driverPools) !== 2) { |
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throw new PhpfastcacheInvalidArgumentException('A "master/slave" cluster requires exactly two pools to be working.'); |
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} |
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parent::__construct($clusterName, ...$driverPools); |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function getItem($key) |
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{ |
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return $this->getStandardizedItem( |
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$this->makeOperation( |
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static function (ExtendedCacheItemPoolInterface $pool) use ($key) { |
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return $pool->getItem($key); |
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} |
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) ?? new Item($this, $key), |
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$this |
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); |
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} |
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/** |
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* @param callable $operation |
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* @return mixed |
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* @throws PhpfastcacheReplicationException |
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*/ |
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protected function makeOperation(callable $operation) |
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{ |
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try { |
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return $operation($this->getMasterPool()); |
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} catch (PhpfastcacheExceptionInterface $e) { |
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try { |
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$this->eventManager->dispatch( |
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'CacheReplicationSlaveFallback', |
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$this, |
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\debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS, 2)[1]['function'] |
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); |
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return $operation($this->getSlavePool()); |
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} catch (PhpfastcacheExceptionInterface $e) { |
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throw new PhpfastcacheReplicationException('Master and Slave thrown an exception !'); |
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} |
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} |
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} |
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/** |
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* @return ExtendedCacheItemPoolInterface |
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*/ |
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protected function getMasterPool(): ExtendedCacheItemPoolInterface |
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{ |
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return $this->clusterPools[0]; |
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} |
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/** |
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* @return ExtendedCacheItemPoolInterface |
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*/ |
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protected function getSlavePool(): ExtendedCacheItemPoolInterface |
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{ |
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return $this->clusterPools[1]; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function hasItem($key) |
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{ |
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return $this->makeOperation( |
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static function (ExtendedCacheItemPoolInterface $pool) use ($key) { |
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return $pool->hasItem($key); |
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} |
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); |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function clear() |
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{ |
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return $this->makeOperation( |
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static function (ExtendedCacheItemPoolInterface $pool) { |
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return $pool->clear(); |
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} |
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); |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function deleteItem($key) |
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{ |
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return $this->makeOperation( |
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static function (ExtendedCacheItemPoolInterface $pool) use ($key) { |
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return $pool->deleteItem($key); |
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} |
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); |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function save(CacheItemInterface $item) |
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{ |
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return $this->makeOperation( |
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function (ExtendedCacheItemPoolInterface $pool) use ($item) { |
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$item->setHit(true); |
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return $pool->save($this->getStandardizedItem($item, $pool)); |
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} |
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); |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function commit() |
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{ |
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return $this->makeOperation( |
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static function (ExtendedCacheItemPoolInterface $pool) { |
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return $pool->commit(); |
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} |
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); |
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} |
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} |
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PHPSocialNetwork /
phpfastcache
