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 service wrapped in a memoizing closure.
Chris@14:  *
Chris@14:  * @author Nicolas Grekas <p@tchwork.com>
Chris@14:  */
Chris@14: class ServiceClosureArgument implements ArgumentInterface
Chris@14: {
Chris@14:     private $values;
Chris@14: 
Chris@14:     public function __construct(Reference $reference)
Chris@14:     {
Chris@17:         $this->values = [$reference];
Chris@14:     }
Chris@14: 
Chris@14:     /**
Chris@14:      * {@inheritdoc}
Chris@14:      */
Chris@14:     public function getValues()
Chris@14:     {
Chris@14:         return $this->values;
Chris@14:     }
Chris@14: 
Chris@14:     /**
Chris@14:      * {@inheritdoc}
Chris@14:      */
Chris@14:     public function setValues(array $values)
Chris@14:     {
Chris@17:         if ([0] !== array_keys($values) || !($values[0] instanceof Reference || null === $values[0])) {
Chris@14:             throw new InvalidArgumentException('A ServiceClosureArgument must hold one and only one Reference.');
Chris@14:         }
Chris@14: 
Chris@14:         $this->values = $values;
Chris@14:     }
Chris@14: }