Chris@14: <?php
Chris@14: 
Chris@14: /*
Chris@14:  * This file is part of the Symfony package.
Chris@14:  *
Chris@14:  * (c) Fabien Potencier <fabien@symfony.com>
Chris@14:  *
Chris@14:  * For the full copyright and license information, please view the LICENSE
Chris@14:  * file that was distributed with this source code.
Chris@14:  */
Chris@14: 
Chris@14: namespace Symfony\Component\DependencyInjection\Argument;
Chris@14: 
Chris@14: use Symfony\Component\DependencyInjection\Exception\InvalidArgumentException;
Chris@14: use Symfony\Component\DependencyInjection\Reference;
Chris@14: 
Chris@14: /**
Chris@14:  * Represents a collection of values to lazily iterate over.
Chris@14:  *
Chris@14:  * @author Titouan Galopin <galopintitouan@gmail.com>
Chris@14:  */
Chris@14: class IteratorArgument implements ArgumentInterface
Chris@14: {
Chris@14:     private $values;
Chris@14: 
Chris@14:     /**
Chris@14:      * @param Reference[] $values
Chris@14:      */
Chris@14:     public function __construct(array $values)
Chris@14:     {
Chris@14:         $this->setValues($values);
Chris@14:     }
Chris@14: 
Chris@14:     /**
Chris@14:      * @return array The values to lazily iterate over
Chris@14:      */
Chris@14:     public function getValues()
Chris@14:     {
Chris@14:         return $this->values;
Chris@14:     }
Chris@14: 
Chris@14:     /**
Chris@14:      * @param Reference[] $values The service references to lazily iterate over
Chris@14:      */
Chris@14:     public function setValues(array $values)
Chris@14:     {
Chris@14:         foreach ($values as $k => $v) {
Chris@14:             if (null !== $v && !$v instanceof Reference) {
Chris@17:                 throw new InvalidArgumentException(sprintf('An IteratorArgument must hold only Reference instances, "%s" given.', \is_object($v) ? \get_class($v) : \gettype($v)));
Chris@14:             }
Chris@14:         }
Chris@14: 
Chris@14:         $this->values = $values;
Chris@14:     }
Chris@14: }