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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\Form;

/**
 * @author Bernhard Schussek <bschussek@gmail.com>
 */
interface DataMapperInterface
{
    /**
     * Maps properties of some data to a list of forms.
     *
     * @param mixed           $data  Structured data.
     * @param FormInterface[] $forms A list of {@link FormInterface} instances.
     *
     * @throws Exception\UnexpectedTypeException if the type of the data parameter is not supported.
     */
    public function mapDataToForms($data, $forms);

    /**
     * Maps the data of a list of forms into the properties of some data.
     *
     * @param FormInterface[] $forms A list of {@link FormInterface} instances.
     * @param mixed           $data  Structured data.
     *
     * @throws Exception\UnexpectedTypeException if the type of the data parameter is not supported.
     */
    public function mapFormsToData($forms, &$data);
}