PHP Zend_Search_Lucene_Search_Query_MultiTerm类代码示例

 /**
  * Removes search entry of current entity from the index.
  * 
  * @return Mage_Lucene_Model_Index_Document_Abstract
  **/
 protected function delete()
 {
     $query = new Zend_Search_Lucene_Search_Query_MultiTerm();
     $query->addTerm(new Zend_Search_Lucene_Index_Term($this->_id, 'entity_id'), true);
     $query->addTerm(new Zend_Search_Lucene_Index_Term($this->getDoctype(), 'doctype'), true);
     $query->addTerm(new Zend_Search_Lucene_Index_Term($this->getStore()->getId(), self::STORE_ATTRIBUTE_CODE), true);
     $this->deleteByQuery($query);
     return $this;
 }

 /**
  * Re-write query into primitive queries in the context of specified index
  *
  * @param Zend_Search_Lucene_Interface $index
  * @return Zend_Search_Lucene_Search_Query
  */
 public function rewrite(Zend_Search_Lucene_Interface $index)
 {
     if ($this->_term->field != null) {
         return $this;
     } else {
         $query = new Zend_Search_Lucene_Search_Query_MultiTerm();
         $query->setBoost($this->getBoost());
         foreach ($index->getFieldNames(true) as $fieldName) {
             $term = new Zend_Search_Lucene_Index_Term($this->_term->text, $fieldName);
             $query->addTerm($term);
         }
         return $query->rewrite($index);
     }
 }

 /**
  * Re-write query into primitive queries in the context of specified index
  *
  * @param Zend_Search_Lucene_Interface $index
  * @return Zend_Search_Lucene_Search_Query
  */
 public function rewrite(Zend_Search_Lucene_Interface $index)
 {
     if ($this->_term->field != null) {
         return $this;
     } else {
         require_once sfConfig::get('sf_lib_dir') . '/modules/search/lib/Lucene/Search/Query/MultiTerm.php';
         $query = new Zend_Search_Lucene_Search_Query_MultiTerm();
         $query->setBoost($this->getBoost());
         require_once sfConfig::get('sf_lib_dir') . '/modules/search/lib/Lucene/Index/Term.php';
         foreach ($index->getFieldNames(true) as $fieldName) {
             $term = new Zend_Search_Lucene_Index_Term($this->_term->text, $fieldName);
             $query->addTerm($term);
         }
         return $query->rewrite($index);
     }
 }

 /**
  * Re-write query into primitive queries in the context of specified index
  *
  * @param Zend_Search_Lucene_Interface $index
  * @return Zend_Search_Lucene_Search_Query
  */
 public function rewrite(Zend_Search_Lucene_Interface $index)
 {
     if ($this->_term->field != null) {
         return $this;
     } else {
         require_once PHP_LIBRARY_PATH . 'Zend/Search/Lucene/Search/Query/MultiTerm.php';
         $query = new Zend_Search_Lucene_Search_Query_MultiTerm();
         $query->setBoost($this->getBoost());
         require_once PHP_LIBRARY_PATH . 'Zend/Search/Lucene/Index/Term.php';
         foreach ($index->getFieldNames(true) as $fieldName) {
             $term = new Zend_Search_Lucene_Index_Term($this->_term->text, $fieldName);
             $query->addTerm($term);
         }
         return $query->rewrite($index);
     }
 }

 /**
  * The main workshop page.  It has the list of all the workshops that are 
  * available in the system.
  *
  */
 public function indexAction()
 {
     $this->view->acl = array('workshopList' => $this->_helper->hasAccess('workshop-list'));
     $get = Zend_Registry::get('getFilter');
     $form = new Zend_Form();
     $form->setAttrib('id', 'workshopForm')->setMethod(Zend_Form::METHOD_GET)->setDecorators(array('FormElements', array('HtmlTag', array('tag' => 'div', 'class' => 'filterForm')), 'Form'));
     $searchField = $form->createElement('text', 'search', array('label' => 'workshop-index-index:searchWorkshops'));
     $searchField->setRequired(false)->addFilter('StringTrim')->addFilter('StripTags')->setValue(isset($get->search) ? $get->search : '');
     $category = new Category();
     $categoryList = $category->fetchAll(null, 'name');
     $categories = $form->createElement('select', 'categoryId');
     $categories->addMultiOption('', '-- Search By Category -- ');
     foreach ($categoryList as $c) {
         $categories->addMultiOption($c['categoryId'], $c['name']);
     }
     $categories->setValue(isset($get->categoryId) ? $get->categoryId : '');
     $submit = $form->createElement('submit', 'submitButton', array('label' => 'workshop-index-index:search'));
     $submit->setDecorators(array(array('ViewHelper', array('helper' => 'formSubmit'))));
     $form->addElements(array($searchField, $categories));
     $form->setElementDecorators(array('ViewHelper', 'Errors', array('HtmlTag', array('tag' => 'div', 'class' => 'elm')), array('Label', array('tag' => 'span'))))->addElements(array($submit));
     $this->view->form = $form;
     $searchTerm = new Search_Term();
     $workshops = array();
     if ($get->search != '' || $get->categoryId != 0) {
         $workshop = new Workshop();
         $query = new Zend_Search_Lucene_Search_Query_MultiTerm();
         if ($get->search != '') {
             $query->addTerm(new Zend_Search_Lucene_Index_Term($get->search), true);
         }
         if ($get->categoryId != 0) {
             $query->addTerm(new Zend_Search_Lucene_Index_Term($get->categoryId, 'categoryId'), true);
         }
         $workshops = $workshop->search($query);
         $searchTerm->increment($get->search);
         $this->view->searchTerm = $get->search;
     }
     $this->view->workshops = $workshops;
     $this->view->topTerms = $searchTerm->getTopSearchTerms(10);
     $this->view->layout()->setLayout('search');
     $this->view->layout()->rightContent = $this->view->render('index/top-terms.phtml');
     $this->view->headScript()->appendFile($this->view->baseUrl() . '/scripts/jquery.autocomplete.js');
     $this->view->headLink()->appendStylesheet($this->view->baseUrl() . '/css/jquery.autocomplete.css');
     $this->_helper->pageTitle("workshop-index-index:title");
 }

 protected function prepareLuceneQuery($keyword)
 {
     $keyword = strtolower($keyword);
     $query = new Zend_Search_Lucene_Search_Query_Boolean();
     # multiterm query
     $subquery1 = new Zend_Search_Lucene_Search_Query_MultiTerm();
     foreach (explode(' ', $keyword) as $key) {
         if (!trim($key)) {
             continue;
         }
         $subquery1->addTerm(new Zend_Search_Lucene_Index_Term($key));
     }
     # wildcard query
     Zend_Search_Lucene_Search_Query_Wildcard::setMinPrefixLength(1);
     $tokens = preg_split('/ /', $keyword, -1, PREG_SPLIT_NO_EMPTY);
     $lastWord = trim(array_pop($tokens)) . "*";
     $pattern = new Zend_Search_Lucene_Index_Term($lastWord);
     $subquery2 = new Zend_Search_Lucene_Search_Query_Wildcard($pattern);
     $query->addSubquery($subquery1);
     $query->addSubquery($subquery2);
     return $query;
 }

 /**
  * Transform entry to a subquery
  *
  * @param string $encoding
  * @return Zend_Search_Lucene_Search_Query
  * @throws Zend_Search_Lucene_Search_QueryParserException
  */
 public function getQuery($encoding)
 {
     if ($this->_fuzzyQuery) {
         throw new Zend_Search_Lucene_Search_QueryParserException('Fuzzy search is not supported yet.');
     }
     if (strpos($this->_term, '?') !== false || strpos($this->_term, '*') !== false) {
         throw new Zend_Search_Lucene_Search_QueryParserException('Wildcard queries are not supported yet.');
     }
     $tokens = Zend_Search_Lucene_Analysis_Analyzer::getDefault()->tokenize($this->_term, $encoding);
     if (count($tokens) == 0) {
         return new Zend_Search_Lucene_Search_Query_Insignificant();
     }
     if (count($tokens) == 1) {
         $term = new Zend_Search_Lucene_Index_Term($tokens[0]->getTermText(), $this->_field);
         $query = new Zend_Search_Lucene_Search_Query_Term($term);
         $query->setBoost($this->_boost);
         return $query;
     }
     //It's not empty or one term query
     $query = new Zend_Search_Lucene_Search_Query_MultiTerm();
     /**
      * @todo Process $token->getPositionIncrement() to support stemming, synonyms and other
      * analizer design features
      */
     foreach ($tokens as $token) {
         $term = new Zend_Search_Lucene_Index_Term($token->getTermText(), $this->_field);
         $query->addTerm($term, true);
         // all subterms are required
     }
     $query->setBoost($this->_boost);
     return $query;
 }

 /**
  * Re-write query into primitive queries in the context of specified index
  *
  * @param Zend_Search_Lucene_Interface $index
  * @return Zend_Search_Lucene_Search_Query
  */
 public function rewrite(Zend_Search_Lucene_Interface $index)
 {
     $this->_matches = array();
     if ($this->_pattern->field === null) {
         // Search through all fields
         $fields = $index->getFieldNames(true);
     } else {
         $fields = array($this->_pattern->field);
     }
     $prefix = self::_getPrefix($this->_pattern->text);
     $prefixLength = strlen($prefix);
     $matchExpression = '/^' . str_replace(array('\\?', '\\*'), array('.', '.*'), preg_quote($this->_pattern->text, '/')) . '$/';
     /** @todo check for PCRE unicode support may be performed through Zend_Environment in some future */
     if (@preg_match('/\\pL/u', 'a') == 1) {
         // PCRE unicode support is turned on
         // add Unicode modifier to the match expression
         $matchExpression .= 'u';
     }
     foreach ($fields as $field) {
         $index->resetTermsStream();
         if ($prefix != '') {
             $index->skipTo(new Zend_Search_Lucene_Index_Term($prefix, $field));
             while ($index->currentTerm() !== null && $index->currentTerm()->field == $field && substr($index->currentTerm()->text, 0, $prefixLength) == $prefix) {
                 if (preg_match($matchExpression, $index->currentTerm()->text) === 1) {
                     $this->_matches[] = $index->currentTerm();
                 }
                 $index->nextTerm();
             }
         } else {
             $index->skipTo(new Zend_Search_Lucene_Index_Term('', $field));
             while ($index->currentTerm() !== null && $index->currentTerm()->field == $field) {
                 if (preg_match($matchExpression, $index->currentTerm()->text) === 1) {
                     $this->_matches[] = $index->currentTerm();
                 }
                 $index->nextTerm();
             }
         }
         $index->closeTermsStream();
     }
     if (count($this->_matches) == 0) {
         return new Zend_Search_Lucene_Search_Query_Empty();
     } else {
         if (count($this->_matches) == 1) {
             return new Zend_Search_Lucene_Search_Query_Term(reset($this->_matches));
         } else {
             $rewrittenQuery = new Zend_Search_Lucene_Search_Query_MultiTerm();
             foreach ($this->_matches as $matchedTerm) {
                 $rewrittenQuery->addTerm($matchedTerm);
             }
             return $rewrittenQuery;
         }
     }
 }

 /**
  * Return a list of posts that are similar to the current post.
  * This is not a very good implementation, so do not expect 
  * amazing results - the term vector is not available for a doc
  * in ZSL, which limits how far you can go!
  *
  * @return array ids 
  */
 public function get_similar_posts($post, $max_recommended = 5)
 {
     Zend_Search_Lucene::setResultSetLimit($max_recommended + 1);
     $title = $post->title;
     $tags = $post->tags;
     $tagstring = '';
     foreach ($tags as $tag) {
         $tagstring .= $tag . ' ';
     }
     $analyser = Zend_Search_Lucene_Analysis_Analyzer::getDefault();
     $tokens = $analyser->tokenize(strtolower($tagstring) . ' ' . strtolower($title));
     $query = new Zend_Search_Lucene_Search_Query_MultiTerm();
     foreach ($tokens as $token) {
         $query->addTerm(new Zend_Search_Lucene_Index_Term($token->getTermText()));
     }
     $hits = $this->_index->find($query);
     $ids = array();
     $counter = 0;
     foreach ($hits as $hit) {
         if ($hit->postid != $post->id) {
             $ids[] = $hit->postid;
             $counter++;
         }
         if ($counter == $max_recommended) {
             break;
         }
     }
     return $ids;
 }

 /**
  * Delete an existing document from the index
  *
  * @param integer $id object identifier
  * @param string $language ISO-639-1 code
  * @return void
  */
 public static function deleteByIdLanguage($id, $language)
 {
     // have to use another search object to perform the querying
     $querier = new QubitSearch();
     $query = new Zend_Search_Lucene_Search_Query_MultiTerm();
     $query->addTerm(new Zend_Search_Lucene_Index_Term($id, 'id'), true);
     $query->addTerm(new Zend_Search_Lucene_Index_Term($language, 'culture'), true);
     foreach ($querier->getEngine()->getIndex()->find($query) as $hit) {
         self::getInstance()->getEngine()->getIndex()->delete($hit->id);
     }
 }

 /**
  * Create a lucene search from search terms
  * 
  * @param string $searchTerm									Search terms
  * @return \Zend_Search_Lucene_Search_Query						Lucene search query
  */
 public function query($searchTerm)
 {
     // If there are meaningful search terms
     if (strlen(trim($searchTerm))) {
         $query = new \Zend_Search_Lucene_Search_Query_Boolean();
         $termQuery = \Zend_Search_Lucene_Search_QueryParser::parse($searchTerm);
         // Include term based restriction
         $query->addSubquery($termQuery, true);
         // If applicable: Apply language based restriction
         if (\Tollwerk\TwLucenesearch\Utility\Indexer::indexConfig($GLOBALS['TSFE'], 'search.restrictByLanguage')) {
             require_once 'Zend/Search/Lucene/Search/Query/Term.php';
             require_once 'Zend/Search/Lucene/Index/Term.php';
             $query->addSubquery(new \Zend_Search_Lucene_Search_Query_Term(new \Zend_Search_Lucene_Index_Term($GLOBALS['TSFE']->lang, 'language')), true);
         }
         // If applicable: Apply rootline based restriction
         $rootlinePids = \Tollwerk\TwLucenesearch\Utility\Indexer::indexConfig($GLOBALS['TSFE'], 'search.restrictByRootlinePids');
         if (is_array($rootlinePids) && count($rootlinePids)) {
             require_once 'Zend/Search/Lucene/Search/Query/MultiTerm.php';
             require_once 'Zend/Search/Lucene/Index/Term.php';
             $rootlineQuery = new \Zend_Search_Lucene_Search_Query_MultiTerm();
             foreach ($rootlinePids as $rootlinePid) {
                 $rootlineQuery->addTerm(new \Zend_Search_Lucene_Index_Term($rootlinePid, 'rootline'), null);
             }
             $query->addSubquery($rootlineQuery, true);
         }
         return $query;
     }
     return null;
 }

 /**
  * Optimize query in the context of specified index
  *
  * @param Zend_Search_Lucene_Interface $index
  * @return Zend_Search_Lucene_Search_Query
  */
 public function optimize(Zend_Search_Lucene_Interface $index)
 {
     $subqueries = array();
     $signs = array();
     // Optimize all subqueries
     foreach ($this->_subqueries as $id => $subquery) {
         $subqueries[] = $subquery->optimize($index);
         $signs[] = $this->_signs === null ? true : $this->_signs[$id];
     }
     // Remove insignificant subqueries
     foreach ($subqueries as $id => $subquery) {
         if ($subquery instanceof Zend_Search_Lucene_Search_Query_Insignificant) {
             // Insignificant subquery has to be removed anyway
             unset($subqueries[$id]);
             unset($signs[$id]);
         }
     }
     if (count($subqueries) == 0) {
         // Boolean query doesn't has non-insignificant subqueries
         return new Zend_Search_Lucene_Search_Query_Insignificant();
     }
     // Check if all non-insignificant subqueries are prohibited
     $allProhibited = true;
     foreach ($signs as $sign) {
         if ($sign !== false) {
             $allProhibited = false;
             break;
         }
     }
     if ($allProhibited) {
         return new Zend_Search_Lucene_Search_Query_Insignificant();
     }
     // Check for empty subqueries
     foreach ($subqueries as $id => $subquery) {
         if ($subquery instanceof Zend_Search_Lucene_Search_Query_Empty) {
             if ($signs[$id] === true) {
                 // Matching is required, but is actually empty
                 return new Zend_Search_Lucene_Search_Query_Empty();
             } else {
                 // Matching is optional or prohibited, but is empty
                 // Remove it from subqueries and signs list
                 unset($subqueries[$id]);
                 unset($signs[$id]);
             }
         }
     }
     // Check, if reduced subqueries list is empty
     if (count($subqueries) == 0) {
         return new Zend_Search_Lucene_Search_Query_Empty();
     }
     // Check if all non-empty subqueries are prohibited
     $allProhibited = true;
     foreach ($signs as $sign) {
         if ($sign !== false) {
             $allProhibited = false;
             break;
         }
     }
     if ($allProhibited) {
         return new Zend_Search_Lucene_Search_Query_Empty();
     }
     // Check, if reduced subqueries list has only one entry
     if (count($subqueries) == 1) {
         // It's a query with only one required or optional clause
         // (it's already checked, that it's not a prohibited clause)
         if ($this->getBoost() == 1) {
             return reset($subqueries);
         }
         $optimizedQuery = clone reset($subqueries);
         $optimizedQuery->setBoost($optimizedQuery->getBoost() * $this->getBoost());
         return $optimizedQuery;
     }
     // Prepare first candidate for optimized query
     $optimizedQuery = new Zend_Search_Lucene_Search_Query_Boolean($subqueries, $signs);
     $optimizedQuery->setBoost($this->getBoost());
     $terms = array();
     $tsigns = array();
     $boostFactors = array();
     // Try to decompose term and multi-term subqueries
     foreach ($subqueries as $id => $subquery) {
         if ($subquery instanceof Zend_Search_Lucene_Search_Query_Term) {
             $terms[] = $subquery->getTerm();
             $tsigns[] = $signs[$id];
             $boostFactors[] = $subquery->getBoost();
             // remove subquery from a subqueries list
             unset($subqueries[$id]);
             unset($signs[$id]);
         } else {
             if ($subquery instanceof Zend_Search_Lucene_Search_Query_MultiTerm) {
                 $subTerms = $subquery->getTerms();
                 $subSigns = $subquery->getSigns();
                 if ($signs[$id] === true) {
                     // It's a required multi-term subquery.
                     // Something like '... +(+term1 -term2 term3 ...) ...'
//.........这里部分代码省略.........

 /**
  * Re-write query into primitive queries in the context of specified index
  *
  * @param Zend_Search_Lucene_Interface $index
  * @return Zend_Search_Lucene_Search_Query
  */
 public function rewrite(Zend_Search_Lucene_Interface $index)
 {
     $this->_matches = array();
     if ($this->_field === null) {
         // Search through all fields
         $fields = $index->getFieldNames(true);
     } else {
         $fields = array($this->_field);
     }
     // require_once 'Zend/Search/Lucene.php';
     $maxTerms = Zend_Search_Lucene::getTermsPerQueryLimit();
     foreach ($fields as $field) {
         $index->resetTermsStream();
         // require_once 'Zend/Search/Lucene/Index/Term.php';
         if ($this->_lowerTerm !== null) {
             $lowerTerm = new Zend_Search_Lucene_Index_Term($this->_lowerTerm->text, $field);
             $index->skipTo($lowerTerm);
             if (!$this->_inclusive && $index->currentTerm() == $lowerTerm) {
                 // Skip lower term
                 $index->nextTerm();
             }
         } else {
             $index->skipTo(new Zend_Search_Lucene_Index_Term('', $field));
         }
         if ($this->_upperTerm !== null) {
             // Walk up to the upper term
             $upperTerm = new Zend_Search_Lucene_Index_Term($this->_upperTerm->text, $field);
             while ($index->currentTerm() !== null && $index->currentTerm()->field == $field && strcmp($index->currentTerm()->text, $upperTerm->text) < 0) {
                 $this->_matches[] = $index->currentTerm();
                 if ($maxTerms != 0 && count($this->_matches) > $maxTerms) {
                     // require_once 'Zend/Search/Lucene/Exception.php';
                     throw new Zend_Search_Lucene_Exception('Terms per query limit is reached.');
                 }
                 $index->nextTerm();
             }
             if ($this->_inclusive && $index->currentTerm() == $upperTerm) {
                 // Include upper term into result
                 $this->_matches[] = $upperTerm;
             }
         } else {
             // Walk up to the end of field data
             while ($index->currentTerm() !== null && $index->currentTerm()->field == $field) {
                 $this->_matches[] = $index->currentTerm();
                 if ($maxTerms != 0 && count($this->_matches) > $maxTerms) {
                     // require_once 'Zend/Search/Lucene/Exception.php';
                     throw new Zend_Search_Lucene_Exception('Terms per query limit is reached.');
                 }
                 $index->nextTerm();
             }
         }
         $index->closeTermsStream();
     }
     if (count($this->_matches) == 0) {
         // require_once 'Zend/Search/Lucene/Search/Query/Empty.php';
         return new Zend_Search_Lucene_Search_Query_Empty();
     } else {
         if (count($this->_matches) == 1) {
             // require_once 'Zend/Search/Lucene/Search/Query/Term.php';
             return new Zend_Search_Lucene_Search_Query_Term(reset($this->_matches));
         } else {
             // require_once 'Zend/Search/Lucene/Search/Query/MultiTerm.php';
             $rewrittenQuery = new Zend_Search_Lucene_Search_Query_MultiTerm();
             foreach ($this->_matches as $matchedTerm) {
                 $rewrittenQuery->addTerm($matchedTerm);
             }
             return $rewrittenQuery;
         }
     }
 }

 /**
  * add_to_index function
  *
  * deletes any exising index entries, and adds a document to the index
  *
  * @TODO Is this working properly
  * @param mixed $Model
  * @param mixed $id
  * @access public
  * @return void
  */
 function add_to_index(&$Model, $id)
 {
     if (!empty($this->settings[$Model->alias])) {
         if (!$this->open_index($Model)) {
             return false;
         }
         try {
             $query = new Zend_Search_Lucene_Search_Query_MultiTerm();
             $query->addTerm(new Zend_Search_Lucene_Index_Term($id, 'cake_id'), true);
             $query->addTerm(new Zend_Search_Lucene_Index_Term($Model->alias, 'cake_model'), true);
             $Hits = $this->Index->find($query);
             // TODO there are never any hits - why
             if (count($Hits)) {
                 $this->delete_from_index($Model, $id);
             }
             if (method_exists($Model, 'find_index')) {
                 $result = $Model->find_index('first', array('conditions' => array($Model->alias . '.id' => $id)));
             } else {
                 $result = $Model->find('first', array('conditions' => array($Model->alias . '.id' => $id)));
             }
             if (!empty($result)) {
                 $doc = new Zend_Search_Lucene_Document();
                 // add the model field
                 $doc->addField(Zend_Search_Lucene_Field::Keyword('cake_model', $Model->alias, 'utf-8'));
                 foreach ($this->settings[$Model->alias]['fields'] as $field_name => $options) {
                     if (!empty($options['prepare']) && function_exists($options['prepare'])) {
                         $result[$Model->alias][$field_name] = call_user_func($options['prepare'], $result[$Model->alias][$field_name]);
                     }
                     $alias = !empty($options['alias']) ? $options['alias'] : $field_name;
                     $doc->addField(Zend_Search_Lucene_Field::$options['type']($alias, $result[$Model->alias][$field_name], 'utf-8'));
                 }
                 $this->Index->addDocument($doc);
                 $this->Index->commit();
                 if (Configure::read()) {
                     $Hits = $this->Index->find($query);
                     if (!count($Hits)) {
                         // TODO why isn't it possible to find what was just added
                         $this->log('Tried to add to the search index, no errors but couldnt find what was just added!', 'searchable');
                     }
                     $this->log('added to index id:' . $id, 'searchable');
                 }
             }
         } catch (Zend_Search_Lucene_Exception $e) {
             $this->log('Lucene exception:' . $e->getMessage(), 'searchable');
         }
     }
 }

 private function addLanguageQuery($query)
 {
     if (!empty($this->searchLanguage)) {
         $languageQuery = new \Zend_Search_Lucene_Search_Query_MultiTerm();
         $languageQuery->addTerm(new Zend_Search_Lucene_Index_Term('all', 'lang'));
         if (is_object($this->searchLanguage)) {
             $lang = $this->searchLanguage->toString();
         } else {
             $lang = $this->searchLanguage;
         }
         $lang = str_replace(array('_', '-'), '', $lang);
         $languageQuery->addTerm(new Zend_Search_Lucene_Index_Term($lang, 'lang'));
         $query->addSubquery($languageQuery, TRUE);
     }
     return $query;
 }