annotate vendor/doctrine/cache/lib/Doctrine/Common/Cache/FilesystemCache.php @ 19:fa3358dc1485 tip

Add ndrum files
author Chris Cannam
date Wed, 28 Aug 2019 13:14:47 +0100
parents 4c8ae668cc8c
children
rev   line source
Chris@0 1 <?php
Chris@0 2 /*
Chris@0 3 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
Chris@0 4 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
Chris@0 5 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
Chris@0 6 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
Chris@0 7 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
Chris@0 8 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
Chris@0 9 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
Chris@0 10 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
Chris@0 11 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
Chris@0 12 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
Chris@0 13 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
Chris@0 14 *
Chris@0 15 * This software consists of voluntary contributions made by many individuals
Chris@0 16 * and is licensed under the MIT license. For more information, see
Chris@0 17 * <http://www.doctrine-project.org>.
Chris@0 18 */
Chris@0 19
Chris@0 20 namespace Doctrine\Common\Cache;
Chris@0 21
Chris@0 22 /**
Chris@0 23 * Filesystem cache driver.
Chris@0 24 *
Chris@0 25 * @since 2.3
Chris@0 26 * @author Fabio B. Silva <fabio.bat.silva@gmail.com>
Chris@0 27 */
Chris@0 28 class FilesystemCache extends FileCache
Chris@0 29 {
Chris@0 30 const EXTENSION = '.doctrinecache.data';
Chris@0 31
Chris@0 32 /**
Chris@0 33 * {@inheritdoc}
Chris@0 34 */
Chris@0 35 public function __construct($directory, $extension = self::EXTENSION, $umask = 0002)
Chris@0 36 {
Chris@0 37 parent::__construct($directory, $extension, $umask);
Chris@0 38 }
Chris@0 39
Chris@0 40 /**
Chris@0 41 * {@inheritdoc}
Chris@0 42 */
Chris@0 43 protected function doFetch($id)
Chris@0 44 {
Chris@0 45 $data = '';
Chris@0 46 $lifetime = -1;
Chris@0 47 $filename = $this->getFilename($id);
Chris@0 48
Chris@0 49 if ( ! is_file($filename)) {
Chris@0 50 return false;
Chris@0 51 }
Chris@0 52
Chris@0 53 $resource = fopen($filename, "r");
Chris@0 54
Chris@0 55 if (false !== ($line = fgets($resource))) {
Chris@0 56 $lifetime = (int) $line;
Chris@0 57 }
Chris@0 58
Chris@0 59 if ($lifetime !== 0 && $lifetime < time()) {
Chris@0 60 fclose($resource);
Chris@0 61
Chris@0 62 return false;
Chris@0 63 }
Chris@0 64
Chris@0 65 while (false !== ($line = fgets($resource))) {
Chris@0 66 $data .= $line;
Chris@0 67 }
Chris@0 68
Chris@0 69 fclose($resource);
Chris@0 70
Chris@0 71 return unserialize($data);
Chris@0 72 }
Chris@0 73
Chris@0 74 /**
Chris@0 75 * {@inheritdoc}
Chris@0 76 */
Chris@0 77 protected function doContains($id)
Chris@0 78 {
Chris@0 79 $lifetime = -1;
Chris@0 80 $filename = $this->getFilename($id);
Chris@0 81
Chris@0 82 if ( ! is_file($filename)) {
Chris@0 83 return false;
Chris@0 84 }
Chris@0 85
Chris@0 86 $resource = fopen($filename, "r");
Chris@0 87
Chris@0 88 if (false !== ($line = fgets($resource))) {
Chris@0 89 $lifetime = (int) $line;
Chris@0 90 }
Chris@0 91
Chris@0 92 fclose($resource);
Chris@0 93
Chris@0 94 return $lifetime === 0 || $lifetime > time();
Chris@0 95 }
Chris@0 96
Chris@0 97 /**
Chris@0 98 * {@inheritdoc}
Chris@0 99 */
Chris@0 100 protected function doSave($id, $data, $lifeTime = 0)
Chris@0 101 {
Chris@0 102 if ($lifeTime > 0) {
Chris@0 103 $lifeTime = time() + $lifeTime;
Chris@0 104 }
Chris@0 105
Chris@0 106 $data = serialize($data);
Chris@0 107 $filename = $this->getFilename($id);
Chris@0 108
Chris@0 109 return $this->writeFile($filename, $lifeTime . PHP_EOL . $data);
Chris@0 110 }
Chris@0 111 }