<?php
namespace TYPO3\CMS\Extbase\Persistence\Generic\Qom;

/*
 * This file is part of the TYPO3 CMS project.
 *
 * It is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License, either version 2
 * of the License, or any later version.
 *
 * For the full copyright and license information, please read the
 * LICENSE.txt file that was distributed with this source code.
 *
 * The TYPO3 project - inspiring people to share!
 */

/**
 * Evaluates to the value (or values, if multi-valued) of a property.
 *
 * If, for a node-tuple, the selector node does not have a property named property,
 * the operand evaluates to null.
 *
 * The query is invalid if:
 *
 * selector is not the name of a selector in the query, or
 * property is not a syntactically valid JCR name.
 */
class PropertyValue implements PropertyValueInterface
{
    /**
     * @var string
     */
    protected $selectorName;

    /**
     * @var string
     */
    protected $propertyName;

    /**
     * Constructs this PropertyValue instance
     *
     * @param string $propertyName
     * @param string $selectorName
     */
    public function __construct($propertyName, $selectorName = '')
    {
        $this->propertyName = $propertyName;
        $this->selectorName = $selectorName;
    }

    /**
     * Gets the name of the selector against which to evaluate this operand.
     *
     * @return string the selector name; non-null
     */
    public function getSelectorName()
    {
        return $this->selectorName;
    }

    /**
     * Gets the name of the property.
     *
     * @return string the property name; non-null
     */
    public function getPropertyName()
    {
        return $this->propertyName;
    }
}
