Located at controllers

SearchesController.php

<?php

namespace app\controllers;

use \app\models\Search,
    \Zend_Search_Lucene;

class SearchesController extends \lithium\action\Controller {

        /*
         * Called when a search happens. Here we assume the method type of form is get, 
         * else use ->data instead of ->query.
         */
    public function index() {
            /*
             *Same path where we have created the index.
             */
            $index = new Zend_Search_Lucene( __DIR__ . '/../data/search');
            $query = $this->request->query['query'];
            $searches = $index->find($query); 
	    return compact('index', 'query', 'searches');
	}

        /*
         * More details about Zend_Search_Lucene visit 
         * http://framework.zend.com/manual/en/zend.search.lucene.html
         * This function just makes index and store files in a directory.
         */
        public function makeindex() {
	    $search = new Search();
            $search->makeindex();
        }

}
?>