PHP Zend_Search_Lucene_Search_Query_MultiTerm::setBoost方法代码示例

 /**
  * 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);
     }
 }

 /**
  * 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)
 {
     $terms = $this->_terms;
     $signs = $this->_signs;
     foreach ($terms as $id => $term) {
         if (!$index->hasTerm($term)) {
             if ($signs === null || $signs[$id] === true) {
                 // Term is required
                 return new Zend_Search_Lucene_Search_Query_Empty();
             } else {
                 // Term is optional or prohibited
                 // Remove it from terms and signs list
                 unset($terms[$id]);
                 unset($signs[$id]);
             }
         }
     }
     // Check if all presented terms are prohibited
     $allProhibited = true;
     if ($signs === null) {
         $allProhibited = false;
     } else {
         foreach ($signs as $sign) {
             if ($sign !== false) {
                 $allProhibited = false;
                 break;
             }
         }
     }
     if ($allProhibited) {
         return new Zend_Search_Lucene_Search_Query_Empty();
     }
     /**
      * @todo make an optimization for repeated terms
      * (they may have different signs)
      */
     if (count($terms) == 1) {
         // It's already checked, that it's not a prohibited term
         // It's one term query with one required or optional element
         $optimizedQuery = new Zend_Search_Lucene_Search_Query_Term(reset($terms));
         $optimizedQuery->setBoost($this->getBoost());
         return $optimizedQuery;
     }
     if (count($terms) == 0) {
         return new Zend_Search_Lucene_Search_Query_Empty();
     }
     $optimizedQuery = new Zend_Search_Lucene_Search_Query_MultiTerm($terms, $signs);
     $optimizedQuery->setBoost($this->getBoost());
     return $optimizedQuery;
 }

 /**
  * 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->_field === null) {
         require_once 'Zend/Search/Lucene/Search/Query/MultiTerm.php';
         $query = new Zend_Search_Lucene_Search_Query_MultiTerm();
         $query->setBoost($this->getBoost());
         $hasInsignificantSubqueries = false;
         require_once 'Zend/Search/Lucene.php';
         if (Zend_Search_Lucene::getDefaultSearchField() === null) {
             $searchFields = $index->getFieldNames(true);
         } else {
             $searchFields = array(Zend_Search_Lucene::getDefaultSearchField());
         }
         require_once 'Zend/Search/Lucene/Search/Query/Preprocessing/Term.php';
         foreach ($searchFields as $fieldName) {
             $subquery = new Zend_Search_Lucene_Search_Query_Preprocessing_Term($this->_word, $this->_encoding, $fieldName);
             $rewrittenSubquery = $subquery->rewrite($index);
             foreach ($rewrittenSubquery->getQueryTerms() as $term) {
                 $query->addTerm($term);
             }
             if ($rewrittenSubquery instanceof Zend_Search_Lucene_Search_Query_Insignificant) {
                 $hasInsignificantSubqueries = true;
             }
         }
         if (count($query->getTerms()) == 0) {
             $this->_matches = array();
             if ($hasInsignificantSubqueries) {
                 require_once 'Zend/Search/Lucene/Search/Query/Insignificant.php';
                 return new Zend_Search_Lucene_Search_Query_Insignificant();
             } else {
                 require_once 'Zend/Search/Lucene/Search/Query/Empty.php';
                 return new Zend_Search_Lucene_Search_Query_Empty();
             }
         }
         $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->_word, $this->_field);
     if ($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;
     }
     // -------------------------------------
     // Recognize wildcard queries
     /** @todo check for PCRE unicode support may be performed through Zend_Environment in some future */
     if (@preg_match('/\\pL/u', 'a') == 1) {
         $word = iconv($this->_encoding, 'UTF-8', $this->_word);
         $wildcardsPattern = '/[*?]/u';
         $subPatternsEncoding = 'UTF-8';
     } else {
         $word = $this->_word;
         $wildcardsPattern = '/[*?]/';
         $subPatternsEncoding = $this->_encoding;
     }
     $subPatterns = preg_split($wildcardsPattern, $word, -1, PREG_SPLIT_OFFSET_CAPTURE);
     if (count($subPatterns) > 1) {
         // Wildcard query is recognized
         $pattern = '';
         require_once 'Zend/Search/Lucene/Analysis/Analyzer.php';
         foreach ($subPatterns as $id => $subPattern) {
             // Append corresponding wildcard character to the pattern before each sub-pattern (except first)
             if ($id != 0) {
                 $pattern .= $word[$subPattern[1] - 1];
             }
             // Check if each subputtern is a single word in terms of current analyzer
             $tokens = Zend_Search_Lucene_Analysis_Analyzer::getDefault()->tokenize($subPattern[0], $subPatternsEncoding);
             if (count($tokens) > 1) {
                 require_once 'Zend/Search/Lucene/Search/QueryParserException.php';
                 throw new Zend_Search_Lucene_Search_QueryParserException('Wildcard search is supported only for non-multiple word terms');
             }
             foreach ($tokens as $token) {
                 $pattern .= $token->getTermText();
             }
         }
         require_once 'Zend/Search/Lucene/Index/Term.php';
         $term = new Zend_Search_Lucene_Index_Term($pattern, $this->_field);
         require_once 'Zend/Search/Lucene/Search/Query/Wildcard.php';
         $query = new Zend_Search_Lucene_Search_Query_Wildcard($term);
         $query->setBoost($this->getBoost());
         // Get rewritten query. Important! It also fills terms matching container.
         $rewrittenQuery = $query->rewrite($index);
         $this->_matches = $query->getQueryTerms();
         return $rewrittenQuery;
     }
     // -------------------------------------
     // Recognize one-term multi-term and "insignificant" queries
     require_once 'Zend/Search/Lucene/Analysis/Analyzer.php';
//.........这里部分代码省略.........

 /**
  * 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.........

 /**
  * 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 (strpos($this->_term, '?') !== false || strpos($this->_term, '*') !== false) {
         if ($this->_fuzzyQuery) {
             // require_once 'Zend/Search/Lucene/Search/QueryParserException.php';
             throw new Zend_Search_Lucene_Search_QueryParserException('Fuzzy search is not supported for terms with wildcards.');
         }
         $pattern = '';
         $subPatterns = explode('*', $this->_term);
         $astericFirstPass = true;
         foreach ($subPatterns as $subPattern) {
             if (!$astericFirstPass) {
                 $pattern .= '*';
             } else {
                 $astericFirstPass = false;
             }
             $subPatternsL2 = explode('?', $subPattern);
             $qMarkFirstPass = true;
             foreach ($subPatternsL2 as $subPatternL2) {
                 if (!$qMarkFirstPass) {
                     $pattern .= '?';
                 } else {
                     $qMarkFirstPass = false;
                 }
                 $tokens = Zend_Search_Lucene_Analysis_Analyzer::getDefault()->tokenize($subPatternL2, $encoding);
                 if (count($tokens) > 1) {
                     // require_once 'Zend/Search/Lucene/Search/QueryParserException.php';
                     throw new Zend_Search_Lucene_Search_QueryParserException('Wildcard search is supported only for non-multiple word terms');
                 }
                 foreach ($tokens as $token) {
                     $pattern .= $token->getTermText();
                 }
             }
         }
         $term = new Zend_Search_Lucene_Index_Term($pattern, $this->_field);
         $query = new Zend_Search_Lucene_Search_Query_Wildcard($term);
         $query->setBoost($this->_boost);
         return $query;
     }
     $tokens = Zend_Search_Lucene_Analysis_Analyzer::getDefault()->tokenize($this->_term, $encoding);
     if (count($tokens) == 0) {
         return new Zend_Search_Lucene_Search_Query_Insignificant();
     }
     if (count($tokens) == 1 && !$this->_fuzzyQuery) {
         $term = new Zend_Search_Lucene_Index_Term($tokens[0]->getTermText(), $this->_field);
         $query = new Zend_Search_Lucene_Search_Query_Term($term);
         $query->setBoost($this->_boost);
         return $query;
     }
     if (count($tokens) == 1 && $this->_fuzzyQuery) {
         $term = new Zend_Search_Lucene_Index_Term($tokens[0]->getTermText(), $this->_field);
         $query = new Zend_Search_Lucene_Search_Query_Fuzzy($term, $this->_similarity);
         $query->setBoost($this->_boost);
         return $query;
     }
     if ($this->_fuzzyQuery) {
         // require_once 'Zend/Search/Lucene/Search/QueryParserException.php';
         throw new Zend_Search_Lucene_Search_QueryParserException('Fuzzy search is supported only for non-multiple word terms');
     }
     //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;
 }

 /**
  * 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;
 }

 /**
  * 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 (strpos($this->_term, '?') !== false || strpos($this->_term, '*') !== false) {
         if ($this->_fuzzyQuery) {
             require_once __CA_LIB_DIR__ . '/core/Zend/Search/Lucene/Search/QueryParserException.php';
             throw new Zend_Search_Lucene_Search_QueryParserException('Fuzzy search is not supported for terms with wildcards.');
         }
         $pattern = '';
         $subPatterns = explode('*', $this->_term);
         $astericFirstPass = true;
         foreach ($subPatterns as $subPattern) {
             if (!$astericFirstPass) {
                 $pattern .= '*';
             } else {
                 $astericFirstPass = false;
             }
             $subPatternsL2 = explode('?', $subPattern);
             $qMarkFirstPass = true;
             foreach ($subPatternsL2 as $subPatternL2) {
                 if (!$qMarkFirstPass) {
                     $pattern .= '?';
                 } else {
                     $qMarkFirstPass = false;
                 }
                 $pattern .= $subPatternL2;
             }
         }
         $term = new Zend_Search_Lucene_Index_Term(strtolower($pattern), $this->_field);
         $query = new Zend_Search_Lucene_Search_Query_Wildcard($term);
         $query->setBoost($this->_boost);
         return $query;
     }
     $tokens = explode(" ", $this->_term);
     if (count($tokens) == 0) {
         return new Zend_Search_Lucene_Search_Query_Insignificant();
     }
     if (count($tokens) == 1 && !$this->_fuzzyQuery) {
         $term = new Zend_Search_Lucene_Index_Term(strtolower($tokens[0]), $this->_field);
         $query = new Zend_Search_Lucene_Search_Query_Term($term);
         $query->setBoost($this->_boost);
         return $query;
     }
     if (count($tokens) == 1 && $this->_fuzzyQuery) {
         $term = new Zend_Search_Lucene_Index_Term(strtolower($tokens[0]), $this->_field);
         $query = new Zend_Search_Lucene_Search_Query_Fuzzy($term, $this->_similarity);
         $query->setBoost($this->_boost);
         return $query;
     }
     if ($this->_fuzzyQuery) {
         require_once __CA_LIB_DIR__ . '/core/Zend/Search/Lucene/Search/QueryParserException.php';
         throw new Zend_Search_Lucene_Search_QueryParserException('Fuzzy search is supported only for non-multiple word terms');
     }
     //It's not empty or one term query
     $query = new Zend_Search_Lucene_Search_Query_MultiTerm();
     foreach ($tokens as $token) {
         $term = new Zend_Search_Lucene_Index_Term(strtolower($token), $this->_field);
         $query->addTerm($term, true);
     }
     $query->setBoost($this->_boost);
     return $query;
 }

 public function rewrite(Zend_Search_Lucene_Interface $index)
 {
     if ($this->_field === null) {
         $query = new Zend_Search_Lucene_Search_Query_MultiTerm();
         $query->setBoost($this->getBoost());
         $hasInsignificantSubqueries = false;
         if (Zend_Search_Lucene::getDefaultSearchField() === null) {
             $searchFields = $index->getFieldNames(true);
         } else {
             $searchFields = array(Zend_Search_Lucene::getDefaultSearchField());
         }
         foreach ($searchFields as $fieldName) {
             $subquery = new Zend_Search_Lucene_Search_Query_Preprocessing_Term($this->_word, $this->_encoding, $fieldName);
             $rewrittenSubquery = $subquery->rewrite($index);
             foreach ($rewrittenSubquery->getQueryTerms() as $term) {
                 $query->addTerm($term);
             }
             if ($rewrittenSubquery instanceof Zend_Search_Lucene_Search_Query_Insignificant) {
                 $hasInsignificantSubqueries = true;
             }
         }
         if (count($query->getTerms()) == 0) {
             $this->_matches = array();
             if ($hasInsignificantSubqueries) {
                 return new Zend_Search_Lucene_Search_Query_Insignificant();
             } else {
                 return new Zend_Search_Lucene_Search_Query_Empty();
             }
         }
         $this->_matches = $query->getQueryTerms();
         return $query;
     }
     $term = new Zend_Search_Lucene_Index_Term($this->_word, $this->_field);
     if ($index->hasTerm($term)) {
         $query = new Zend_Search_Lucene_Search_Query_Term($term);
         $query->setBoost($this->getBoost());
         $this->_matches = $query->getQueryTerms();
         return $query;
     }
     if (@preg_match('/\\pL/u', 'a') == 1) {
         $word = iconv($this->_encoding, 'UTF-8', $this->_word);
         $wildcardsPattern = '/[*?]/u';
         $subPatternsEncoding = 'UTF-8';
     } else {
         $word = $this->_word;
         $wildcardsPattern = '/[*?]/';
         $subPatternsEncoding = $this->_encoding;
     }
     $subPatterns = preg_split($wildcardsPattern, $word, -1, PREG_SPLIT_OFFSET_CAPTURE);
     if (count($subPatterns) > 1) {
         $pattern = '';
         foreach ($subPatterns as $id => $subPattern) {
             if ($id != 0) {
                 $pattern .= $word[$subPattern[1] - 1];
             }
             $tokens = Zend_Search_Lucene_Analysis_Analyzer::getDefault()->tokenize($subPattern[0], $subPatternsEncoding);
             if (count($tokens) > 1) {
                 throw new Zend_Search_Lucene_Search_QueryParserException('Wildcard search is supported only for non-multiple word terms');
             }
             foreach ($tokens as $token) {
                 $pattern .= $token->getTermText();
             }
         }
         $term = new Zend_Search_Lucene_Index_Term($pattern, $this->_field);
         $query = new Zend_Search_Lucene_Search_Query_Wildcard($term);
         $query->setBoost($this->getBoost());
         $rewrittenQuery = $query->rewrite($index);
         $this->_matches = $query->getQueryTerms();
         return $rewrittenQuery;
     }
     $tokens = Zend_Search_Lucene_Analysis_Analyzer::getDefault()->tokenize($this->_word, $this->_encoding);
     if (count($tokens) == 0) {
         $this->_matches = array();
         return new Zend_Search_Lucene_Search_Query_Insignificant();
     }
     if (count($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->getBoost());
         $this->_matches = $query->getQueryTerms();
         return $query;
     }
     $query = new Zend_Search_Lucene_Search_Query_MultiTerm();
     foreach ($tokens as $token) {
         $term = new Zend_Search_Lucene_Index_Term($token->getTermText(), $this->_field);
         $query->addTerm($term, true);
     }
     $query->setBoost($this->getBoost());
     $this->_matches = $query->getQueryTerms();
     return $query;
 }