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Filename : PropertyMetadata.php
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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\Validator\Mapping;

use Symfony\Component\Validator\Exception\ValidatorException;

class PropertyMetadata extends MemberMetadata
{
    /**
     * Constructor.
     *
     * @param string $class The class this property is defined on
     * @param string $name  The name of this property
     *
     * @throws ValidatorException
     */
    public function __construct($class, $name)
    {
        if (!property_exists($class, $name)) {
            throw new ValidatorException(sprintf('Property %s does not exist in class %s', $name, $class));
        }

        parent::__construct($class, $name, $name);
    }

    /**
     * {@inheritDoc}
     */
    public function getPropertyValue($object)
    {
        return $this->getReflectionMember($object)->getValue($object);
    }

    /**
     * {@inheritDoc}
     */
    protected function newReflectionMember($objectOrClassName)
    {
        $class = new \ReflectionClass($objectOrClassName);
        while (!$class->hasProperty($this->getName())) {
            $class = $class->getParentClass();
        }

        $member = new \ReflectionProperty($class->getName(), $this->getName());
        $member->setAccessible(true);

        return $member;
    }
}