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<?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\Workflow;
/**
* A list of transition blockers.
*
* @author Grégoire Pineau <lyrixx@lyrixx.info>
*/
final class TransitionBlockerList implements \IteratorAggregate, \Countable
{
private $blockers;
/**
* @param TransitionBlocker[] $blockers
*/
public function __construct(array $blockers = [])
{
$this->blockers = [];
foreach ($blockers as $blocker) {
$this->add($blocker);
}
}
public function add(TransitionBlocker $blocker): void
{
$this->blockers[] = $blocker;
}
public function has(string $code): bool
{
foreach ($this->blockers as $blocker) {
if ($code === $blocker->getCode()) {
return true;
}
}
return false;
}
public function clear(): void
{
$this->blockers = [];
}
public function isEmpty(): bool
{
return !$this->blockers;
}
/**
* {@inheritdoc}
*
* @return \Traversable<TransitionBlocker>
*/
public function getIterator(): \Traversable
{
return new \ArrayIterator($this->blockers);
}
public function count(): int
{
return \count($this->blockers);
}
}