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<?php |
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/* |
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* This file is part of the Egils\Component\Cache package. |
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* |
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* (c) Egidijus Lukauskas <[email protected]> |
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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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namespace Egils\Component\Cache\Adapter; |
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use Doctrine\Common\Cache\CacheProvider; |
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use Egils\Component\Cache\CacheItem; |
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use Psr\Cache\CacheItemInterface; |
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use Psr\Cache\CacheItemPoolInterface; |
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use DateTime; |
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class DoctrineCacheAdapter implements CacheItemPoolInterface |
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{ |
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/** @var CacheProvider */ |
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private $provider; |
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/** @var array|CacheItemInterface[] */ |
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private $deferred = []; |
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public function __construct(CacheProvider $provider) |
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{ |
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$this->provider = $provider; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getItem($key) |
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{ |
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if (isset($this->deferred[$key])) { |
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return $this->deferred[$key]; |
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} |
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if (false === $this->provider->contains($key)) { |
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return new CacheItem($key); |
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} |
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$item = $this->provider->fetch($key); |
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$item->setHit(true); |
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return $item; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getItems(array $keys = []) |
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{ |
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if (true === empty($keys)) { |
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return []; |
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} |
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$items = []; |
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foreach ($keys as $key) { |
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$items[$key] = $this->getItem($key); |
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} |
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return $items; |
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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->provider->flushAll(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function deleteItems(array $keys) |
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{ |
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foreach ($keys as $key) { |
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if (true === $this->provider->contains($key)) { |
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$this->provider->delete($key); |
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} |
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} |
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return $this; |
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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 $item) |
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{ |
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$this->doSave($item); |
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return $this; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function saveDeferred(CacheItemInterface $item) |
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{ |
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$this->deferred[$item->getKey()] = $item; |
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return $this; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function commit() |
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{ |
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$result = true; |
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foreach ($this->deferred as $key => $deferred) { |
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$saveResult = $this->doSave($deferred); |
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if (true === $saveResult) { |
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unset($this->deferred[$key]); |
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} |
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$result = $result && $saveResult; |
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} |
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return $result; |
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} |
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private function doSave(CacheItemInterface $item) |
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{ |
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$now = new DateTime(); |
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$ttl = $item->getExpiration()->format('U') - $now->format('U'); |
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if ($ttl < 0) { |
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return false; |
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} |
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return $this->provider->save($item->getKey(), $item, $ttl); |
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} |
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} |
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|
egils /
Cache
