/usr/share/php/Symfony/Component/Workflow/Validator/WorkflowValidator.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\Validator;
use Symfony\Component\Workflow\Definition;
use Symfony\Component\Workflow\Exception\InvalidDefinitionException;
/**
* @author Tobias Nyholm <tobias.nyholm@gmail.com>
*/
class WorkflowValidator implements DefinitionValidatorInterface
{
private $singlePlace;
/**
* @param bool $singlePlace
*/
public function __construct($singlePlace = false)
{
$this->singlePlace = $singlePlace;
}
public function validate(Definition $definition, $name)
{
// Make sure all transitions for one place has unique name.
$places = array_fill_keys($definition->getPlaces(), array());
foreach ($definition->getTransitions() as $transition) {
foreach ($transition->getFroms() as $from) {
if (in_array($transition->getName(), $places[$from])) {
throw new InvalidDefinitionException(sprintf('All transitions for a place must have an unique name. Multiple transitions named "%s" where found for place "%s" in workflow "%s".', $transition->getName(), $from, $name));
}
$places[$from][] = $transition->getName();
}
}
if (!$this->singlePlace) {
return;
}
foreach ($definition->getTransitions() as $transition) {
if (1 < count($transition->getTos())) {
throw new InvalidDefinitionException(sprintf('The marking store of workflow "%s" can not store many places. But the transition "%s" has too many output (%d). Only one is accepted.', $name, $transition->getName(), count($transition->getTos())));
}
}
}
}
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