FilteringFinder.php

<?php

/*
 * © 2016 IRSTEA
 * Guillaume Perréal <guillaume.perreal@irstea.fr>
 * Tous droits réservés.
 */

namespace Irstea\PlantUmlBundle\Finder;

use CallbackFilterIterator;
use Irstea\PlantUmlBundle\Model\ClassFilterInterface;

/**
 * Description of FilteringFinder
 *
 * @author Guillaume Perréal <guillaume.perreal@irstea.fr>
 */
class FilteringFinder implements FinderInterface
{
    /**
     * @var FinderInterface
     */
    private $inner;

    /**
     * @var ClassFilterInterface
     */
    private $filter;

    public function __construct(FinderInterface $inner, ClassFilterInterface $filter)
    {
        $this->inner  = $inner;
        $this->filter = $filter;
    }

    public function getIterator()
    {
        return new CallbackFilterIterator($this->inner->getIterator(), [$this->filter, 'accept']);
    }
}