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<?php |
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/* |
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* $Id$ |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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* |
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* This software consists of voluntary contributions made by many individuals |
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* and is licensed under the LGPL. For more information, see |
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* <http://www.doctrine-project.org>. |
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*/ |
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namespace Doctrine\Common\Cache; |
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use \Memcache; |
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/** |
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* Memcache cache driver. |
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* |
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* @license http://www.opensource.org/licenses/lgpl-license.php LGPL |
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* @link www.doctrine-project.org |
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* @since 2.0 |
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* @version $Revision: 3938 $ |
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* @author Benjamin Eberlei <kontakt@beberlei.de> |
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* @author Guilherme Blanco <guilhermeblanco@hotmail.com> |
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* @author Jonathan Wage <jonwage@gmail.com> |
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* @author Roman Borschel <roman@code-factory.org> |
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* @author David Abdemoulaie <dave@hobodave.com> |
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*/ |
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class MemcacheCache extends AbstractCache |
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{ |
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/** |
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* @var Memcache |
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*/ |
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private $_memcache; |
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/** |
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* Sets the memcache instance to use. |
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* |
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* @param Memcache $memcache |
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*/ |
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public function setMemcache(Memcache $memcache) |
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{ |
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$this->_memcache = $memcache; |
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} |
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/** |
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* Gets the memcache instance used by the cache. |
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* |
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* @return Memcache |
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*/ |
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public function getMemcache() |
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{ |
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return $this->_memcache; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getIds() |
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{ |
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$keys = array(); |
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$allSlabs = $this->_memcache->getExtendedStats('slabs'); |
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foreach ($allSlabs as $server => $slabs) { |
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if (is_array($slabs)) { |
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foreach (array_keys($slabs) as $slabId) { |
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$dump = $this->_memcache->getExtendedStats('cachedump', (int) $slabId); |
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if ($dump) { |
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foreach ($dump as $entries) { |
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if ($entries) { |
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$keys = array_merge($keys, array_keys($entries)); |
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} |
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} |
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} |
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} |
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} |
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} |
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return $keys; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function _doFetch($id) |
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{ |
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return $this->_memcache->get($id); |
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} |
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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 (bool) $this->_memcache->get($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 $this->_memcache->set($id, $data, 0, (int) $lifeTime); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function _doDelete($id) |
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{ |
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return $this->_memcache->delete($id); |
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} |
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} |