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.
15 * This software consists of voluntary contributions made by many individuals
16 * and is licensed under the MIT license. For more information, see
17 * <http://www.doctrine-project.org>.
20 namespace Doctrine\Common\Cache;
23 * Zend Data Cache cache driver.
25 * @link www.doctrine-project.org
27 * @author Ralph Schindler <ralph.schindler@zend.com>
28 * @author Guilherme Blanco <guilhermeblanco@hotmail.com>
30 class ZendDataCache extends CacheProvider
35 protected function doFetch($id)
37 return zend_shm_cache_fetch($id);
43 protected function doContains($id)
45 return (false !== zend_shm_cache_fetch($id));
51 protected function doSave($id, $data, $lifeTime = 0)
53 return zend_shm_cache_store($id, $data, $lifeTime);
59 protected function doDelete($id)
61 return zend_shm_cache_delete($id);
67 protected function doFlush()
69 $namespace = $this->getNamespace();
70 if (empty($namespace)) {
71 return zend_shm_cache_clear();
73 return zend_shm_cache_clear($namespace);
79 protected function doGetStats()