<?php
/**
 * Filtered query. Needs a query and a filter
 *
 * @uses Elastica_Query_Abstract
 * @category Xodoa
 * @package Elastica
 * @author Nicolas Ruflin <hide@address.com>
 * @link http://www.elasticsearch.org/guide/reference/query-dsl/filtered-query.html
 */
class Elastica_Query_Filtered extends Elastica_Query_Abstract
{
    /**
     * Query
     *
     * @var Elastica_Query_Abstract Query object
     */
    protected $_query = null;

    /**
     * Filter
     *
     * @var Elastica_Filter_Abstract Filter object
     */
    protected $_filter = null;

    /**
     * Constructs a filtered query
     *
     * @param Elastica_Query_Abstract  $query  Query object
     * @param Elastica_Filter_Abstract $filter Filter object
     */
    public function __construct(Elastica_Query_Abstract $query, Elastica_Filter_Abstract $filter)
    {
        $this->setQuery($query);
        $this->setFilter($filter);
    }

    /**
     * Sets a query
     *
     * @param  Elastica_Query_Abstract $query Query object
     * @return Elastica_Query_Filtered Current object
     */
    public function setQuery(Elastica_Query_Abstract $query)
    {
        $this->_query = $query;

        return $this;
    }

    /**
     * Sets the filter
     *
     * @param  Elastica_Filter_Abstract $filter Filter object
     * @return Elastica_Query_Filtered  Current object
     */
    public function setFilter(Elastica_Filter_Abstract $filter)
    {
        $this->_filter = $filter;

        return $this;
    }

    /**
     * Converts query to array
     *
     * @return array Query array
     * @see Elastica_Query_Abstract::toArray()
     */
    public function toArray()
    {
        return array('filtered' => array(
            'query' => $this->_query->toArray(),
            'filter' => $this->_filter->toArray()
        ));
    }
}