/** * Transform entry to a subquery * * @param string $encoding * @return Zend_Search_Lucene_Search_Query * @throws Zend_Search_Lucene_Search_QueryParserException */ public function getQuery($encoding) { /** Zend_Search_Lucene_Search_Query_Preprocessing_Phrase */ // require_once 'Zend/Search/Lucene/Search/Query/Preprocessing/Phrase.php'; $query = new Zend_Search_Lucene_Search_Query_Preprocessing_Phrase($this->_phrase, $encoding, $this->_field !== null ? iconv($encoding, 'UTF-8', $this->_field) : null); if ($this->_proximityQuery) { $query->setSlop($this->_wordsDistance); } $query->setBoost($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 $index) { // Allow to use wildcards within phrases // They are either removed by text analyzer or used as a part of keyword for keyword fields // // if (strpos($this->_phrase, '?') !== false || strpos($this->_phrase, '*') !== false) { // require_once 'Zend/Search/Lucene/Search/QueryParserException.php'; // throw new Zend_Search_Lucene_Search_QueryParserException('Wildcards are only allowed in a single terms.'); // } // Split query into subqueries if field name is not specified if ($this->_field === null) { require_once 'Zend/Search/Lucene/Search/Query/Boolean.php'; $query = new Zend_Search_Lucene_Search_Query_Boolean(); $query->setBoost($this->getBoost()); require_once 'Zend/Search/Lucene.php'; if (Zend_Search_Lucene::getDefaultSearchField() === null) { $searchFields = $index->getFieldNames(true); } else { $searchFields = array(Zend_Search_Lucene::getDefaultSearchField()); } foreach ($searchFields as $fieldName) { $subquery = new Zend_Search_Lucene_Search_Query_Preprocessing_Phrase($this->_phrase, $this->_phraseEncoding, $fieldName); $subquery->setSlop($this->getSlop()); $query->addSubquery($subquery->rewrite($index)); } $this->_matches = $query->getQueryTerms(); return $query; } // Recognize exact term matching (it corresponds to Keyword fields stored in the index) // encoding is not used since we expect binary matching require_once 'Zend/Search/Lucene/Index/Term.php'; $term = new Zend_Search_Lucene_Index_Term($this->_phrase, $this->_field); if ($index->hasTerm($term)) { require_once 'Zend/Search/Lucene/Search/Query/Term.php'; $query = new Zend_Search_Lucene_Search_Query_Term($term); $query->setBoost($this->getBoost()); $this->_matches = $query->getQueryTerms(); return $query; } // tokenize phrase using current analyzer and process it as a phrase query require_once 'Zend/Search/Lucene/Analysis/Analyzer.php'; $tokens = Zend_Search_Lucene_Analysis_Analyzer::getDefault()->tokenize($this->_phrase, $this->_phraseEncoding); if (count($tokens) == 0) { $this->_matches = array(); require_once 'Zend/Search/Lucene/Search/Query/Insignificant.php'; return new Zend_Search_Lucene_Search_Query_Insignificant(); } if (count($tokens) == 1) { require_once 'Zend/Search/Lucene/Index/Term.php'; $term = new Zend_Search_Lucene_Index_Term($tokens[0]->getTermText(), $this->_field); require_once 'Zend/Search/Lucene/Search/Query/Term.php'; $query = new Zend_Search_Lucene_Search_Query_Term($term); $query->setBoost($this->getBoost()); $this->_matches = $query->getQueryTerms(); return $query; } //It's non-trivial phrase query $position = -1; require_once 'Zend/Search/Lucene/Search/Query/Phrase.php'; $query = new Zend_Search_Lucene_Search_Query_Phrase(); require_once 'Zend/Search/Lucene/Index/Term.php'; foreach ($tokens as $token) { $position += $token->getPositionIncrement(); $term = new Zend_Search_Lucene_Index_Term($token->getTermText(), $this->_field); $query->addTerm($term, $position); $query->setSlop($this->getSlop()); } $this->_matches = $query->getQueryTerms(); 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) { $query = new Zend_Search_Lucene_Search_Query_Preprocessing_Phrase($this->_phrase, $encoding, ($this->_field !== null)? iconv($encoding, 'UTF-8', $this->_field) : null); if ($this->_proximityQuery) { $query->setSlop($this->_wordsDistance); } $query->setBoost($this->_boost); return $query; }