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<?php |
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namespace Doctrine\Common\Cache; |
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use RuntimeException; |
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use function apcu_cache_info; |
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use function apcu_clear_cache; |
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use function apcu_delete; |
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use function apcu_entry; |
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use function apcu_exists; |
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use function apcu_fetch; |
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use function apcu_sma_info; |
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use function apcu_store; |
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use function count; |
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use function function_exists; |
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/** |
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* APCu cache provider. |
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* |
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* @link www.doctrine-project.org |
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*/ |
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class ApcuCache extends CacheProvider |
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{ |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function doFetch($id) |
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{ |
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return apcu_fetch($id); |
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} |
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70 |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function doContains($id) |
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{ |
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return apcu_exists($id); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function doSave($id, $data, $lifeTime = 0) |
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{ |
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return apcu_store($id, $data, $lifeTime); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function doDelete($id) |
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{ |
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// apcu_delete returns false if the id does not exist |
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return apcu_delete($id) || ! apcu_exists($id); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function doDeleteMultiple(array $keys) |
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{ |
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$result = apcu_delete($keys); |
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return $result !== false && count($result) !== count($keys); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function doFlush() |
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{ |
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return apcu_clear_cache(); |
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} |
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2 |
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/** |
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* {@inheritdoc} |
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2 |
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*/ |
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protected function doFetchAtomic(string $id, callable $generator, int $ttl) |
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{ |
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if (! function_exists('apcu_entry')) { |
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throw new RuntimeException('Atomic fetch (apcu_entry) is not supported by this version of apcu'); |
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} |
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1 |
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return apcu_entry($id, $generator, $ttl); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function doFetchMultiple(array $keys) |
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{ |
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return apcu_fetch($keys) ?: []; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function doSaveMultiple(array $keysAndValues, $lifetime = 0) |
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{ |
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$result = apcu_store($keysAndValues, null, $lifetime); |
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return empty($result); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function doGetStats() |
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{ |
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$info = apcu_cache_info(true); |
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$sma = apcu_sma_info(); |
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return [ |
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Cache::STATS_HITS => $info['num_hits'], |
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Cache::STATS_MISSES => $info['num_misses'], |
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Cache::STATS_UPTIME => $info['start_time'], |
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Cache::STATS_MEMORY_USAGE => $info['mem_size'], |
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Cache::STATS_MEMORY_AVAILABLE => $sma['avail_mem'], |
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]; |
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} |
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} |
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doctrine /
cache
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