* * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Symfony\Component\DependencyInjection\Argument; use Symfony\Component\DependencyInjection\Exception\InvalidArgumentException; use Symfony\Component\DependencyInjection\Reference; /** * Represents a service wrapped in a memoizing closure. * * @author Nicolas Grekas
*/ class ServiceClosureArgument implements ArgumentInterface { private $values; public function __construct(Reference $reference) { $this->values = [$reference]; } /** * {@inheritdoc} */ public function getValues() { return $this->values; } /** * {@inheritdoc} */ public function setValues(array $values) { if ([0] !== array_keys($values) || !($values[0] instanceof Reference || null === $values[0])) { throw new InvalidArgumentException('A ServiceClosureArgument must hold one and only one Reference.'); } $this->values = $values; } }