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<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <[e-mail]>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Validator\Mapping;

/**
 * Stores all metadata needed for validating the value of a class property.
 *
 * Most importantly, the metadata stores the constraints against which the
 * property's value should be validated.
 *
 * Additionally, the metadata stores whether objects stored in the property
 * should be validated against their class' metadata and whether traversable
 * objects should be traversed or not.
 *
 * @author Bernhard Schussek <[e-mail]>
 *
 * @see MetadataInterface
 * @see CascadingStrategy
 * @see TraversalStrategy
 */
interface PropertyMetadataInterface extends MetadataInterface
{
    /**
     * Returns the name of the property.
     *
     * @return string The property name
     */
    public function getPropertyName();

    /**
     * Extracts the value of the property from the given container.
     *
     * @param mixed $containingValue The container to extract the property value from
     *
     * @return mixed The value of the property
     */
    public function getPropertyValue($containingValue);
}