/**
* Index a file
*
* @param string $filePath The file path
*/
public function index($filePath)
{
$content = file_get_contents($filePath);
$modificationTime = filemtime($filePath);
$checksum = md5($content);
// Get the document
$hits = $this->_data->find('path:' . $filePath);
if (count($hits) > 0) {
$hit = $hits[0];
$document = $hit->getDocument();
// If the checksums are the same, no need to update
if ($checksum === $document->checksum) {
return;
}
// Delete the document
$this->_data->delete($hit);
}
// Create a new document
$document = new Zend_Search_Lucene_Document();
$document->addField(Zend_Search_Lucene_Field::keyword('path', $filePath));
$document->addField(Zend_Search_Lucene_Field::keyword('modificationTime', $modificationTime));
$document->addField(Zend_Search_Lucene_Field::keyword('checksum', $checksum));
$document->addField(Zend_Search_Lucene_Field::unStored('content', $content, 'utf-8'));
$this->_data->addDocument($document);
// Commit the changes
$this->_data->commit();
$this->_data->optimize();
}
/**
* @param AJXP_Node $parentNode
*/
public function indexationEnds($parentNode)
{
$this->logDebug('INDEX.END', 'Optimizing Index');
$this->currentIndex->optimize();
$this->logDebug('INDEX.END', 'Commiting Index');
$this->currentIndex->commit();
unset($this->currentIndex);
$this->logDebug('INDEX.END', 'Merging Temporary in main');
$this->mergeTemporaryIndexToMain($parentNode->getRepositoryId());
$this->logDebug('INDEX.END', 'Done');
}
/**
* Instanciate the Lucene index
*
* The index will be created if it doesn't exist yet.
*
* @return \Zend_Search_Lucene_Interface Lucene index instance
* @throws Exception If the index cannot be created
*/
protected function _index()
{
// One-time instanciation or creation of the lucene index
if ($this->_index === null) {
// Try to instanciate an existing lucene index
try {
$this->_index = \Zend_Search_Lucene::open($this->_indexDirectory);
// If an error occurs ...
} catch (\Zend_Search_Lucene_Exception $e) {
// Try to create a new lucene index ...
try {
$this->_index = \Zend_Search_Lucene::create($this->_indexDirectory);
// If an error occurs: Failure
} catch (\Zend_Search_Lucene_Exception $e) {
throw new Exception(sprintf('Error creating lucene index in "%1$s", reason: "%2$s"', $this->_indexDirectory, $e->getMessage()));
}
}
// Index setup
\Zend_Search_Lucene_Storage_Directory_Filesystem::setDefaultFilePermissions(0664);
\Zend_Search_Lucene_Analysis_Analyzer::setDefault(new \Zend_Search_Lucene_Analysis_Analyzer_Common_Utf8Num_CaseInsensitive());
\Zend_Search_Lucene_Search_QueryParser::setDefaultEncoding('UTF-8');
// Minimize memory consumption
$this->_index->setMaxBufferedDocs(1);
// Set optimization frequency
$this->_index->setMergeFactor(max(1, intval($GLOBALS['TYPO3_CONF_VARS']['EXT']['extParams']['tw_lucenesearch']['mergeFactor'])));
// If applicable: Optimize index
if ($this->_indexOptimize) {
$this->_index->optimize();
}
$this->_index->commit();
if (TYPO3_MODE == 'FE') {
\Zend_Search_Lucene::setTermsPerQueryLimit(\Tollwerk\TwLucenesearch\Utility\Indexer::indexConfig($GLOBALS['TSFE'], 'search.limits.query'));
}
}
return $this->_index;
}
/**
* Commit changes resulting from delete() or undeleteAll() operations.
*/
public function commit()
{
$this->_index->commit();
}
/**
* Open the lucene search index and return it.
*
* @param bool $forceCreation
* @return Zend_Search_Lucene_Interface
*/
public static function getSearchIndex($forceCreation = false)
{
if (!self::$index || $forceCreation) {
if (self::$index) {
self::$index->commit();
self::$index = null;
}
Zend_Search_Lucene_Analysis_Analyzer::setDefault(new Zend_Search_Lucene_Analysis_Analyzer_Common_Utf8Num_CaseInsensitive());
Zend_Search_Lucene_Search_QueryParser::setDefaultEncoding(self::$config->curry->internalEncoding);
$path = Curry_Util::path(self::$config->curry->projectPath, 'data', 'searchindex');
self::$index = $forceCreation ? Zend_Search_Lucene::create($path) : Zend_Search_Lucene::open($path);
}
return self::$index;
}
