1 <?php

     2 /*

     3  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

     4  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

     5  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR

     6  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT

     7  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

     8  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

     9  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,

    10  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

    11  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

    12  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

    13  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

    14  *

    15  * This software consists of voluntary contributions made by many individuals

    16  * and is licensed under the LGPL. For more information, see

    17  * <http://www.doctrine-project.org>.

    18  */

    19 

    20 namespace Doctrine\Common\Cache;

    21 

    22 /**

    23  * Zend Data Cache cache driver.

    24  *

    25  * @license http://www.opensource.org/licenses/lgpl-license.php LGPL

    26  * @link    www.doctrine-project.org

    27  * @since   2.0

    28  * @author  Ralph Schindler <ralph.schindler@zend.com>

    29  */

    30 class ZendDataCache extends AbstractCache

    31 {

    32     public function __construct()

    33     {

    34         $this->setNamespace('doctrine::'); // zend data cache format for namespaces ends in ::

    35     }

    36     

    37     /**

    38      * {@inheritdoc}

    39      */

    40     public function getIds()

    41     {

    42         throw new \BadMethodCallException("getIds() is not supported by ZendDataCache");

    43     }

    44 

    45     /**

    46      * {@inheritdoc}

    47      */

    48     protected function _doFetch($id)

    49     {

    50         return zend_shm_cache_fetch($id);

    51     }

    52 

    53     /**

    54      * {@inheritdoc}

    55      */

    56     protected function _doContains($id)

    57     {

    58         return (zend_shm_cache_fetch($id) !== FALSE);

    59     }

    60 

    61     /**

    62      * {@inheritdoc}

    63      */

    64     protected function _doSave($id, $data, $lifeTime = 0)

    65     {

    66         return zend_shm_cache_store($id, $data, $lifeTime);

    67     }

    68 

    69     /**

    70      * {@inheritdoc}

    71      */

    72     protected function _doDelete($id)

    73     {

    74         return zend_shm_cache_delete($id);

    75     }

    76 }