Thread:Extension talk:Zend Search Lucene for MediaWiki/PslZendSearchLuceneIndexer.php, Full update vs. Incremental update?

As for now PslZendSearchLuceneIndexer.php will always initiate a full index update which cost immense system resources and takes an amount of time to be finished. Is their are a way, PslZendSearchLuceneIndexer.php has an incremental update modus, so that updates can be scheduled on regularly (incremental) basis and full updates only on special occasions?