/**
* Zend_Search_Lucene_Index_SegmentInfo constructor
*
* @param \Zend\Search\Lucene\Storage\Directory $directory
* @param string $name
* @param integer $docCount
* @param integer $delGen
* @param array|null $docStoreOptions
* @param boolean $hasSingleNormFile
* @param boolean $isCompound
* @throws \Zend\Search\Lucene\Exception\RuntimeException
*/
public function __construct(Directory $directory, $name, $docCount, $delGen = 0, $docStoreOptions = null, $hasSingleNormFile = false, $isCompound = null)
{
$this->_directory = $directory;
$this->_name = $name;
$this->_docCount = $docCount;
if ($docStoreOptions !== null) {
$this->_usesSharedDocStore = true;
$this->_sharedDocStoreOptions = $docStoreOptions;
if ($docStoreOptions['isCompound']) {
$cfxFile = $this->_directory->getFileObject($docStoreOptions['segment'] . '.cfx');
$cfxFilesCount = $cfxFile->readVInt();
$cfxFiles = array();
$cfxFileSizes = array();
for ($count = 0; $count < $cfxFilesCount; $count++) {
$dataOffset = $cfxFile->readLong();
if ($count != 0) {
$cfxFileSizes[$fileName] = $dataOffset - end($cfxFiles);
}
$fileName = $cfxFile->readString();
$cfxFiles[$fileName] = $dataOffset;
}
if ($count != 0) {
$cfxFileSizes[$fileName] = $this->_directory->fileLength($docStoreOptions['segment'] . '.cfx') - $dataOffset;
}
$this->_sharedDocStoreOptions['files'] = $cfxFiles;
$this->_sharedDocStoreOptions['fileSizes'] = $cfxFileSizes;
}
}
$this->_hasSingleNormFile = $hasSingleNormFile;
$this->_delGen = $delGen;
$this->_termDictionary = null;
if ($isCompound !== null) {
$this->_isCompound = $isCompound;
} else {
// It's a pre-2.1 segment or isCompound is set to 'unknown'
// Detect if segment uses compound file
try {
// Try to open compound file
$this->_directory->getFileObject($name . '.cfs');
// Compound file is found
$this->_isCompound = true;
} catch (Lucene\Exception $e) {
if (strpos($e->getMessage(), 'is not readable') !== false) {
// Compound file is not found or is not readable
$this->_isCompound = false;
} else {
throw new RuntimeException($e->getMessage(), $e->getCode(), $e);
}
}
}
$this->_segFiles = array();
if ($this->_isCompound) {
$cfsFile = $this->_directory->getFileObject($name . '.cfs');
$segFilesCount = $cfsFile->readVInt();
for ($count = 0; $count < $segFilesCount; $count++) {
$dataOffset = $cfsFile->readLong();
if ($count != 0) {
$this->_segFileSizes[$fileName] = $dataOffset - end($this->_segFiles);
}
$fileName = $cfsFile->readString();
$this->_segFiles[$fileName] = $dataOffset;
}
if ($count != 0) {
$this->_segFileSizes[$fileName] = $this->_directory->fileLength($name . '.cfs') - $dataOffset;
}
}
$fnmFile = $this->openCompoundFile('.fnm');
$fieldsCount = $fnmFile->readVInt();
$fieldNames = array();
$fieldNums = array();
$this->_fields = array();
for ($count = 0; $count < $fieldsCount; $count++) {
$fieldName = $fnmFile->readString();
$fieldBits = $fnmFile->readByte();
$this->_fields[$count] = new FieldInfo($fieldName, $fieldBits & 0x1, $count, $fieldBits & 0x2, $fieldBits & 0x10, $fieldBits & 0x20);
if ($fieldBits & 0x10) {
// norms are omitted for the indexed field
$this->_norms[$count] = str_repeat(chr(Similarity::encodeNorm(1.0)), $docCount);
}
$fieldNums[$count] = $count;
$fieldNames[$count] = $fieldName;
}
array_multisort($fieldNames, SORT_ASC, SORT_REGULAR, $fieldNums);
$this->_fieldsDicPositions = array_flip($fieldNums);
if ($this->_delGen == -2) {
// SegmentInfo constructor is invoked from index writer
// Autodetect current delete file generation number
$this->_delGen = $this->_detectLatestDelGen();
}
// Load deletions
$this->_deleted = $this->_loadDelFile();
}
