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<?php |
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declare(strict_types=1); |
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namespace RemotelyLiving\PHPCacheAdapter\SimpleCache; |
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use Psr\SimpleCache; |
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final class Chain extends AbstractAdapter |
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{ |
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/** |
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* @var \Psr\SimpleCache\CacheInterface[] |
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*/ |
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private $adapters; |
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private function __construct(SimpleCache\CacheInterface ...$adapters) |
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{ |
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$this->adapters = $adapters; |
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} |
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public static function create(SimpleCache\CacheInterface ...$adapters): self |
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{ |
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return new self(...$adapters); |
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} |
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public function addAdapter(SimpleCache\CacheInterface $adapter): self |
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{ |
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$this->adapters[] = $adapter; |
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return $this; |
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} |
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public function flush(): bool |
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{ |
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foreach ($this->adapters as $adapter) { |
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$adapter->clear(); |
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} |
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return true; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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protected function multiGet(array $keys, $default = null): \Generator |
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{ |
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$results = []; |
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foreach ($this->adapters as $adapter) { |
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$results = iterator_to_array($adapter->getMultiple($keys, $default)); |
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if (array_filter($results, fn($val) => $val == $default) === []) { |
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break; |
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} |
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} |
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foreach ($results as $key => $result) { |
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yield $key => $result; |
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} |
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} |
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protected function multiSave(array $values, int $ttl = null): bool |
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{ |
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$statuses = []; |
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foreach ($this->adapters as $adapter) { |
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$statuses[] = $adapter->setMultiple($values, $ttl); |
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} |
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return !in_array(false, $statuses); |
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} |
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protected function multiDelete(array $keys): bool |
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{ |
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foreach ($this->adapters as $adapter) { |
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$adapter->deleteMultiple($keys); |
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} |
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return true; |
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} |
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protected function exists(string $key): bool |
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{ |
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foreach ($this->adapters as $adapter) { |
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if ($adapter->has($key)) { |
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return true; |
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} |
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} |
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return false; |
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} |
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} |
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remotelyliving /
php-cache-adapter
