/** * Generate compound index file */ protected function _generateCFS() { $cfsFile = $this->_directory->createFile($this->_name . '.cfs'); $cfsFile->writeVInt(count($this->_files)); $dataOffsetPointers = array(); foreach ($this->_files as $fileName) { $dataOffsetPointers[$fileName] = $cfsFile->tell(); $cfsFile->writeLong(0); // write dummy data $cfsFile->writeString($fileName); } foreach ($this->_files as $fileName) { // Get actual data offset $dataOffset = $cfsFile->tell(); // Seek to the data offset pointer $cfsFile->seek($dataOffsetPointers[$fileName]); // Write actual data offset value $cfsFile->writeLong($dataOffset); // Seek back to the end of file $cfsFile->seek($dataOffset); $dataFile = $this->_directory->getFileObject($fileName); $byteCount = $this->_directory->fileLength($fileName); while ($byteCount > 0) { $data = $dataFile->readBytes(min($byteCount, 131072)); $byteCount -= strlen($data); $cfsFile->writeBytes($data); } $this->_directory->deleteFile($fileName); } }
/** * Load terms dictionary index * * @throws \ZendSearch\Lucene\Exception\ExceptionInterface */ private function _loadDictionaryIndex() { // Check, if index is already serialized if ($this->_directory->fileExists($this->_name . '.sti')) { // Load serialized dictionary index data $stiFile = $this->_directory->getFileObject($this->_name . '.sti'); $stiFileData = $stiFile->readBytes($this->_directory->fileLength($this->_name . '.sti')); // Load dictionary index data if (($unserializedData = @unserialize($stiFileData)) !== false) { list($this->_termDictionary, $this->_termDictionaryInfos) = $unserializedData; return; } } // Load data from .tii file and generate .sti file // Prefetch dictionary index data $tiiFile = $this->openCompoundFile('.tii'); $tiiFileData = $tiiFile->readBytes($this->compoundFileLength('.tii')); // Load dictionary index data list($this->_termDictionary, $this->_termDictionaryInfos) = DictionaryLoader::load($tiiFileData); $stiFileData = serialize(array($this->_termDictionary, $this->_termDictionaryInfos)); $stiFile = $this->_directory->createFile($this->_name . '.sti'); $stiFile->writeBytes($stiFileData); }