<?php
/*
* 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\DependencyInjection\Argument;
use Symfony\Component\DependencyInjection\Exception\InvalidArgumentException;
use Symfony\Component\DependencyInjection\Reference;
/**
* Represents a collection of values to lazily iterate over.
*
* @author Titouan Galopin <galopintitouan@gmail.com>
*/
class IteratorArgument implements ArgumentInterface
{
private $values;
/**
* @param Reference[] $values
*/
public function __construct(array $values)
{
$this->setValues($values);
}
/**
* @return array The values to lazily iterate over
*/
public function getValues()
{
return $this->values;
}
/**
* @param Reference[] $values The service references to lazily iterate over
*/
public function setValues(array $values)
{
foreach ($values as $k => $v) {
if (null !== $v && !$v instanceof Reference) {
throw new InvalidArgumentException(sprintf('An IteratorArgument must hold only Reference instances, "%s" given.', \is_object($v) ? \get_class($v) : \gettype($v)));
}
}
$this->values = $values;
}
}