/vendor/doctrine/cache/lib/Doctrine/Common/Cache/ArrayCache.php |
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<?php |
/* |
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
* |
* This software consists of voluntary contributions made by many individuals |
* and is licensed under the MIT license. For more information, see |
* <http://www.doctrine-project.org>. |
*/ |
|
namespace Doctrine\Common\Cache; |
|
/** |
* Array cache driver. |
* |
* @link www.doctrine-project.org |
* @since 2.0 |
* @author Benjamin Eberlei <kontakt@beberlei.de> |
* @author Guilherme Blanco <guilhermeblanco@hotmail.com> |
* @author Jonathan Wage <jonwage@gmail.com> |
* @author Roman Borschel <roman@code-factory.org> |
* @author David Abdemoulaie <dave@hobodave.com> |
*/ |
class ArrayCache extends CacheProvider |
{ |
/** |
* @var array[] $data each element being a tuple of [$data, $expiration], where the expiration is int|bool |
*/ |
private $data = []; |
|
/** |
* @var int |
*/ |
private $hitsCount = 0; |
|
/** |
* @var int |
*/ |
private $missesCount = 0; |
|
/** |
* @var int |
*/ |
private $upTime; |
|
/** |
* {@inheritdoc} |
*/ |
public function __construct() |
{ |
$this->upTime = time(); |
} |
|
/** |
* {@inheritdoc} |
*/ |
protected function doFetch($id) |
{ |
if (! $this->doContains($id)) { |
$this->missesCount += 1; |
|
return false; |
} |
|
$this->hitsCount += 1; |
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return $this->data[$id][0]; |
} |
|
/** |
* {@inheritdoc} |
*/ |
protected function doContains($id) |
{ |
if (! isset($this->data[$id])) { |
return false; |
} |
|
$expiration = $this->data[$id][1]; |
|
if ($expiration && $expiration < time()) { |
$this->doDelete($id); |
|
return false; |
} |
|
return true; |
} |
|
/** |
* {@inheritdoc} |
*/ |
protected function doSave($id, $data, $lifeTime = 0) |
{ |
$this->data[$id] = [$data, $lifeTime ? time() + $lifeTime : false]; |
|
return true; |
} |
|
/** |
* {@inheritdoc} |
*/ |
protected function doDelete($id) |
{ |
unset($this->data[$id]); |
|
return true; |
} |
|
/** |
* {@inheritdoc} |
*/ |
protected function doFlush() |
{ |
$this->data = []; |
|
return true; |
} |
|
/** |
* {@inheritdoc} |
*/ |
protected function doGetStats() |
{ |
return [ |
Cache::STATS_HITS => $this->hitsCount, |
Cache::STATS_MISSES => $this->missesCount, |
Cache::STATS_UPTIME => $this->upTime, |
Cache::STATS_MEMORY_USAGE => null, |
Cache::STATS_MEMORY_AVAILABLE => null, |
]; |
} |
} |