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TimestampQueryCacheValidator.php
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TimestampQueryCacheValidator.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\ORM\Cache;
use function microtime;
class TimestampQueryCacheValidator implements QueryCacheValidator
{
/** @var TimestampRegion */
private $timestampRegion;
public function __construct(TimestampRegion $timestampRegion)
{
$this->timestampRegion = $timestampRegion;
}
/**
* {@inheritdoc}
*/
public function isValid(QueryCacheKey $key, QueryCacheEntry $entry)
{
if ($this->regionUpdated($key, $entry)) {
return false;
}
if ($key->lifetime === 0) {
return true;
}
return $entry->time + $key->lifetime > microtime(true);
}
private function regionUpdated(QueryCacheKey $key, QueryCacheEntry $entry): bool
{
if ($key->timestampKey === null) {
return false;
}
$timestamp = $this->timestampRegion->get($key->timestampKey);
return $timestamp && $timestamp->time > $entry->time;
}
}