PHP Zend_Search_Lucene::delete方法代码示例

 public function del($field, $id)
 {
     $index = new Zend_Search_Lucene(ZY_ROOT . '/index');
     $keywords = $field . ":" . $id;
     $hits = $index->find($keywords);
     foreach ($hits as $hit) {
         $index->delete($hit->id);
     }
     $index->commit();
     return TRUE;
 }

 /**
  * Removes a document from the index.
  *
  * @param int $docid
  * @return array containing (content, discussion, title)
  */
 public function deleteDocument($docid)
 {
     $content = '';
     $discussion = '';
     $query = Zend_Search_Lucene_Search_QueryParser::parse('DocumentID:' . PHPLuceneIndexer::longToString($docid));
     $hits = $this->lucene->find($query);
     // there should only be one, but we'll loop for safety
     foreach ($hits as $hit) {
         $content = $hit->Content;
         $discussion = $hit->Discussion;
         $title = $hit->Title;
         $version = $hit->Version;
         $this->lucene->delete($hit);
     }
     return array($content, $discussion, $title, $version);
 }

 /**
  * removeFromIndex
  * @param string $strIndexPath
  * @param string $strKey
  * @author Thomas Schedler <tsh@massiveart.com>
  * @version 1.0
  */
 protected final function removeFromIndex($strIndexPath, $strKey)
 {
     try {
         if (count(scandir($strIndexPath)) > 2) {
             $this->objIndex = Zend_Search_Lucene::open($strIndexPath);
             $objTerm = new Zend_Search_Lucene_Index_Term($strKey, 'key');
             $objQuery = new Zend_Search_Lucene_Search_Query_Term($objTerm);
             $objHits = $this->objIndex->find($objQuery);
             foreach ($objHits as $objHit) {
                 $this->objIndex->delete($objHit->id);
             }
             $this->objIndex->commit();
             $this->objIndex->optimize();
         }
     } catch (Exception $exc) {
         $this->core->logger->err($exc);
     }
 }

 /**
  * removeFromIndex
  * @param string $strIndexPath
  * @param string $strKey
  * @author Thomas Schedler <tsh@massiveart.com>
  * @version 1.0
  */
 protected final function removeFromIndex($strIndexPath, $strKey)
 {
     try {
         $this->core->logger->debug('massiveart->generic->data->types->GenericDataTypeAbstract->removeFromIndex(' . $strIndexPath . ', ' . $strKey . ')');
         if (count(scandir($strIndexPath)) > 2) {
             $this->objIndex = Zend_Search_Lucene::open($strIndexPath);
             $objTerm = new Zend_Search_Lucene_Index_Term($strKey, 'key');
             $objQuery = strpos($strKey, '*') !== false ? new Zend_Search_Lucene_Search_Query_Wildcard($objTerm) : new Zend_Search_Lucene_Search_Query_Term($objTerm);
             $objHits = $this->objIndex->find($objQuery);
             foreach ($objHits as $objHit) {
                 $this->objIndex->delete($objHit->id);
             }
             $this->objIndex->commit();
             $this->objIndex->optimize();
         }
     } catch (Exception $exc) {
         $this->core->logger->err($exc);
     }
 }

         $records = get_records_sql($query);
         if (is_array($records)) {
             foreach ($records as $record) {
                 $updates[] = $delete_function($record->docid, $docIds[$record->docid]);
             }
         }
     }
     foreach ($updates as $update) {
         ++$update_count;
         //delete old document
         $doc = $index->find("+docid:{$update->id} +doctype:{$mod->name} +itemtype:{$update->itemtype}");
         //get the record, should only be one
         foreach ($doc as $thisdoc) {
             mtrace("  Delete: {$thisdoc->title} (database id = {$thisdoc->dbid}, index id = {$thisdoc->id}, moodle instance id = {$thisdoc->docid})");
             $dbcontrol->delDocument($thisdoc);
             $index->delete($thisdoc->id);
         }
         //add new modified document back into index
         if (!($add = $get_document_function($update->id, $update->itemtype))) {
             // ignore on errors
             continue;
         }
         //object to insert into db
         $dbid = $dbcontrol->addDocument($add);
         //synchronise db with index
         $add->addField(Zend_Search_Lucene_Field::Keyword('dbid', $dbid));
         mtrace("  Add: {$add->title} (database id = {$add->dbid}, moodle instance id = {$add->docid})");
         $index->addDocument($add);
     }
 } else {
     mtrace("No types to update.\n");

 /**
  * Delete a hit. This can be useful for dynamically purging stuff.
  */
 public function deleteHit($hit)
 {
     $this->index->delete($hit->id);
 }

 private function updateEntryInSearch($url, array $content = null)
 {
     $options = $this->getInvokeArg('bootstrap')->getOption('lucene');
     $index = new Zend_Search_Lucene($options['dir']);
     $hits = $index->find('url:' . $url);
     foreach ($hits as $hit) {
         $index->delete($hit->id);
     }
     if (!$content) {
         return;
     } else {
         $this->addEntryToSearchIndex($url, $content);
     }
 }

 /**
  * This will refresh the search index for this topic (for all message content under this topic)
  * @param Zend_Search_Lucene $objIndex should be null if we are updating just one -- but for bulk index updates, you can pass in an already loaded index file
  * @return void
  */
 public function RefreshSearchIndex($objIndex = null)
 {
     // Currently only implemented for Forum-based topic/message searches
     if ($this->TopicLink->TopicLinkTypeId != TopicLinkType::Forum) {
         return;
     }
     if (!$objIndex) {
         $objIndex = new Zend_Search_Lucene(__SEARCH_INDEXES__ . '/topics');
         $blnIndexProvided = false;
     } else {
         $blnIndexProvided = true;
     }
     // Retrievew the Index Documents (if applicable) to delete them from the index
     $objSearchTerm = new Zend_Search_Lucene_Index_Term($this->Id, 'db_id');
     foreach ($objIndex->termDocs($objSearchTerm) as $intDocId) {
         $objIndex->delete($intDocId);
     }
     // Create the Message Contents for this Topic
     $strContents = null;
     foreach ($this->GetMessageArray(QQ::OrderBy(QQN::Message()->ReplyNumber)) as $objMessage) {
         $strMessage = strip_tags(trim($objMessage->CompiledHtml));
         $strMessage = html_entity_decode($strMessage, ENT_QUOTES, 'UTF-8');
         $strContents .= $strMessage . "\r\n\r\n";
     }
     // Create the Document
     $objDocument = new Zend_Search_Lucene_Document();
     $objDocument->addField(Zend_Search_Lucene_Field::Keyword('db_id', $this->Id));
     $objDocument->addField(Zend_Search_Lucene_Field::UnIndexed('topic_link_id', $this->TopicLinkId));
     $objDocument->addField(Zend_Search_Lucene_Field::UnIndexed('topic_link_type_id', $this->TopicLink->TopicLinkTypeId));
     $objDocument->addField(Zend_Search_Lucene_Field::UnIndexed('message_count', $this->MessageCount));
     $objDocument->addField(Zend_Search_Lucene_Field::UnIndexed('last_post_date', $this->LastPostDate->Timestamp));
     $objDocument->addField(Zend_Search_Lucene_Field::Text('title', $this->Name));
     $objDocument->addField(Zend_Search_Lucene_Field::UnStored('contents', trim($strContents)));
     // Add Document to Index
     $objIndex->addDocument($objDocument);
     // Only call commit on the index if it was provided for us
     if (!$blnIndexProvided) {
         $objIndex->commit();
     }
 }