/usr/share/php/Symfony/Component/Workflow/Registry.php is in php-symfony-workflow 3.4.6+dfsg-1.
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/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Workflow;
use Symfony\Component\Workflow\Exception\InvalidArgumentException;
use Symfony\Component\Workflow\SupportStrategy\ClassInstanceSupportStrategy;
use Symfony\Component\Workflow\SupportStrategy\SupportStrategyInterface;
/**
* @author Fabien Potencier <fabien@symfony.com>
* @author Grégoire Pineau <lyrixx@lyrixx.info>
*/
class Registry
{
private $workflows = array();
/**
* @param Workflow $workflow
* @param string|SupportStrategyInterface $supportStrategy
*/
public function add(Workflow $workflow, $supportStrategy)
{
if (!$supportStrategy instanceof SupportStrategyInterface) {
@trigger_error('Support of class name string was deprecated after version 3.2 and won\'t work anymore in 4.0.', E_USER_DEPRECATED);
$supportStrategy = new ClassInstanceSupportStrategy($supportStrategy);
}
$this->workflows[] = array($workflow, $supportStrategy);
}
/**
* @param object $subject
* @param string|null $workflowName
*
* @return Workflow
*/
public function get($subject, $workflowName = null)
{
$matched = null;
foreach ($this->workflows as list($workflow, $supportStrategy)) {
if ($this->supports($workflow, $supportStrategy, $subject, $workflowName)) {
if ($matched) {
throw new InvalidArgumentException('At least two workflows match this subject. Set a different name on each and use the second (name) argument of this method.');
}
$matched = $workflow;
}
}
if (!$matched) {
throw new InvalidArgumentException(sprintf('Unable to find a workflow for class "%s".', get_class($subject)));
}
return $matched;
}
private function supports(Workflow $workflow, $supportStrategy, $subject, $workflowName)
{
if (null !== $workflowName && $workflowName !== $workflow->getName()) {
return false;
}
return $supportStrategy->supports($workflow, $subject);
}
}
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