RequirementCollection.php

<?php

declare (strict_types=1);

/*
 * This file is part of PharIo\Manifest.
 *
 * Copyright (c) Arne Blankerts <arne@blankerts.de>, Sebastian Heuer <sebastian@phpeople.de>, Sebastian Bergmann <sebastian@phpunit.de> and contributors
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 *
 */
namespace PharIo\Manifest;

use Countable;
use IteratorAggregate;
use function count;

/** @template-implements IteratorAggregate<int,Requirement> */
class RequirementCollection implements Countable, IteratorAggregate {
    
    /** @var Requirement[] */
    private $requirements = [];
    public function add(Requirement $requirement) : void {
        $this->requirements[] = $requirement;
    }
    
    /**
     * @return Requirement[]
     */
    public function getRequirements() : array {
        return $this->requirements;
    }
    public function count() : int {
        return count($this->requirements);
    }
    public function getIterator() : RequirementCollectionIterator {
        return new RequirementCollectionIterator($this);
    }

}