Error In Adding Search To Yii Blog Example (Using Zend Lucene)

i try to follow this tutorialMy link

but i got error when i try top search…


include(Zend_Search_Lucene.php): failed to open stream: No such file or directory 

my controller Code:


<?php

class SearchController extends Controller

{

    /**

     * @var string index dir as alias path from <b>application.</b>  , default to <b>runtime.search</b>

     */

    private $_indexFiles = 'runtime.search';

    /**

     * (non-PHPdoc)

     * @see CController::init()

     */

    public function init(){

        Yii::import('application.vendors.*');

        require_once('ZendSearch/Lucene/Lucene.php');

        parent::init(); 

    }

    

    public function actionIndex()

    {

        $this->render('index');

    }

 

     public function actionCreate()

    {

        $index = new Zend_Search_Lucene(Yii::getPathOfAlias('application.' . $this->_indexFiles), true);

 

        $posts = Post::model()->findAll();

        foreach($posts as $post){

            $doc = new Zend_Search_Lucene_Document();

 

            $doc->addField(Zend_Search_Lucene_Field::Text('title',

                                          CHtml::encode($post->title), 'utf-8')

            );

 

            $doc->addField(Zend_Search_Lucene_Field::Text('link',

                                            CHtml::encode($post->url)

                                                , 'utf-8')

            );   

 

            $doc->addField(Zend_Search_Lucene_Field::Text('content',

                                          CHtml::encode($post->content)

                                          , 'utf-8')

            );

 

 

            $index->addDocument($doc);

        }

        $index->commit();

        echo 'Lucene index created';

    }

 

    public function actionSearch()

    {

        $this->layout='column2';

         if (($term = Yii::app()->getRequest()->getParam('q', null)) !== null) {

           $index = new Zend_Search_Lucene(Yii::getPathOfAlias('application.' . $this->_indexFiles));

            $results = $index->find($term);

            $query = Zend_Search_Lucene_Search_QueryParser::parse($term);       

 

            $this->render('search', compact('results', 'term', 'query'));

        }

    }

}

i add search folder on my runtime folder… but i got error… do i missed something to add in the /runtime/search folder, or just a blank search folder?