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<?php |
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/** |
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* This file is part of the Cache package. |
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* |
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* Copyright (c) Daniel González |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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* |
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* @author Daniel González <[email protected]> |
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* @author Arnold Daniels <[email protected]> |
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*/ |
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namespace Desarrolla2\Cache; |
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use Desarrolla2\Cache\Packer\NopPacker; |
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use Desarrolla2\Cache\Packer\PackerInterface; |
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use Desarrolla2\Cache\Exception\InvalidArgumentException; |
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/** |
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* Use multiple cache adapters. |
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*/ |
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class Chain extends AbstractCache |
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{ |
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/** |
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* @var CacheInterface[] |
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*/ |
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protected $adapters; |
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/** |
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* Create the default packer for this cache implementation |
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* |
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* @return PackerInterface |
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*/ |
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protected static function createDefaultPacker(): PackerInterface |
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{ |
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return new NopPacker(); |
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} |
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/** |
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* Chain constructor. |
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* |
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* @param CacheInterface[] $adapters Fastest to slowest |
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*/ |
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public function __construct(array $adapters) |
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{ |
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foreach ($adapters as $adapter) { |
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if (!$adapter instanceof CacheInterface) { |
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throw new InvalidArgumentException("All adapters should be a cache implementation"); |
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} |
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} |
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$this->adapters = $adapters; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function set($key, $value, $ttl = null) |
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{ |
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$success = true; |
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foreach ($this->adapters as $adapter) { |
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$success = $adapter->set($key, $value, $ttl) && $success; |
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} |
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return $success; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function setMultiple($values, $ttl = null) |
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{ |
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$success = true; |
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foreach ($this->adapters as $adapter) { |
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$success = $adapter->setMultiple($values, $ttl) && $success; |
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} |
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return $success; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function get($key, $default = null) |
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{ |
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foreach ($this->adapters as $adapter) { |
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$result = $adapter->get($key); // Not using $default as we want to get null if the adapter doesn't have it |
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if (isset($result)) { |
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return $result; |
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} |
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} |
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return $default; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getMultiple($keys, $default = null) |
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{ |
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$this->assertIterable($keys, 'keys are not iterable'); |
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$missing = []; |
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$values = []; |
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foreach ($keys as $key) { |
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$this->assertKey($key); |
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$missing[] = $key; |
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$values[$key] = $default; |
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} |
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foreach ($this->adapters as $adapter) { |
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if (empty($missing)) { |
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break; |
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} |
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$found = []; |
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foreach ($adapter->getMultiple($missing) as $key => $value) { |
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if (isset($value)) { |
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$found[$key] = $value; |
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} |
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} |
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$values = array_merge($values, $found); |
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$missing = array_values(array_diff($missing, array_keys($found))); |
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} |
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return $values; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function has($key) |
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{ |
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foreach ($this->adapters as $adapter) { |
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if ($adapter->has($key)) { |
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return true; |
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} |
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} |
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return false; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function delete($key) |
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{ |
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$success = true; |
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foreach ($this->adapters as $adapter) { |
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$success = $adapter->delete($key) && $success; |
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} |
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return $success; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function deleteMultiple($keys) |
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{ |
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$success = true; |
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foreach ($this->adapters as $adapter) { |
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$success = $adapter->deleteMultiple($keys) && $success; |
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} |
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return $success; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function clear() |
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{ |
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$success = true; |
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foreach ($this->adapters as $adapter) { |
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$success = $adapter->clear() && $success; |
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} |
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return $success; |
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} |
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} |
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desarrolla2 /
Cache
