/**
* Merges all segments together into new one
*
* Returns true on success and false if another optimization or auto-optimization process
* is running now
*
* @return boolean
*/
public function optimize()
{
if (Zend_Search_Lucene_LockManager::obtainOptimizationLock($this->_directory) === false) {
return false;
}
// Update segments list to be sure all segments are not merged yet by another process
//
// Segment merging functionality is concentrated in this class and surrounded
// by optimization lock obtaining/releasing.
// _updateSegments() refreshes segments list from the latest index generation.
// So only new segments can be added to the index while we are merging some already existing
// segments.
// Newly added segments will be also included into the index by the _updateSegments() call
// either by another process or by the current process with the commit() call at the end of _mergeSegments() method.
// That's guaranteed by the serialisation of _updateSegments() execution using exclusive locks.
$this->_updateSegments();
$this->_mergeSegments($this->_segmentInfos);
Zend_Search_Lucene_LockManager::releaseOptimizationLock($this->_directory);
return true;
}
/**
* Merges all segments together into new one
*
* Returns true on success and false if another optimization or auto-optimization process
* is running now
*
* @return boolean
*/
public function optimize()
{
if (Zend_Search_Lucene_LockManager::obtainOptimizationLock($this->_directory) === false) {
return false;
}
$this->_mergeSegments($this->_segmentInfos);
Zend_Search_Lucene_LockManager::releaseOptimizationLock($this->_directory);
return true;
}
