<?php

/**

 * Zend Framework

 *

 * LICENSE

 *

 * This source file is subject to the new BSD license that is bundled

 * with this package in the file LICENSE.txt.

 * It is also available through the world-wide-web at this URL:

 * http://framework.zend.com/license/new-bsd

 * If you did not receive a copy of the license and are unable to

 * obtain it through the world-wide-web, please send an email

 * to license@zend.com so we can send you a copy immediately.

 *

 * @category   Zend

 * @package    Zend_Search_Lucene

 * @subpackage Search

 * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

 * @license    http://framework.zend.com/license/new-bsd     New BSD License

 * @version    $Id: QueryEntry.php 20096 2010-01-06 02:05:09Z bkarwin $

 */

/**

 * @category   Zend

 * @package    Zend_Search_Lucene

 * @subpackage Search

 * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

 * @license    http://framework.zend.com/license/new-bsd     New BSD License

 */

abstract class Zend_Search_Lucene_Search_QueryEntry

{

    /**

     * Query entry boost factor

     *

     * @var float

     */

    protected $_boost = 1.0;

    /**

     * Process modifier ('~')

     *

     * @param mixed $parameter

     */

    abstract public function processFuzzyProximityModifier($parameter = null);

    /**

     * Transform entry to a subquery

     *

     * @param string $encoding

     * @return Zend_Search_Lucene_Search_Query

     */

    abstract public function getQuery($encoding);

    /**

     * Boost query entry

     *

     * @param float $boostFactor

     */

    public function boost($boostFactor)

    {

        $this->_boost *= $boostFactor;

    }

}