Viewing file:  CachedDoubler.php (1.63 KB) -rw-r--r--
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<?php
/*
* This file is part of the Prophecy.
* (c) Konstantin Kudryashov <ever.zet@gmail.com>
* Marcello Duarte <marcello.duarte@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Prophecy\Doubler;
use ReflectionClass;
/**
* Cached class doubler.
* Prevents mirroring/creation of the same structure twice.
*
* @author Konstantin Kudryashov <ever.zet@gmail.com>
*/
class CachedDoubler extends Doubler
{
private $classes = array();
/**
* {@inheritdoc}
*/
public function registerClassPatch(ClassPatch\ClassPatchInterface $patch)
{
$this->classes[] = array();
parent::registerClassPatch($patch);
}
/**
* {@inheritdoc}
*/
protected function createDoubleClass(ReflectionClass $class = null, array $interfaces)
{
$classId = $this->generateClassId($class, $interfaces);
if (isset($this->classes[$classId])) {
return $this->classes[$classId];
}
return $this->classes[$classId] = parent::createDoubleClass($class, $interfaces);
}
/**
* @param ReflectionClass $class
* @param ReflectionClass[] $interfaces
*
* @return string
*/
private function generateClassId(ReflectionClass $class = null, array $interfaces)
{
$parts = array();
if (null !== $class) {
$parts[] = $class->getName();
}
foreach ($interfaces as $interface) {
$parts[] = $interface->getName();
}
sort($parts);
return md5(implode('', $parts));
}
}
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