private static String _getSearchEngineId(Document document) { String entryClassName = document.get("entryClassName"); Indexer indexer = IndexerRegistryUtil.getIndexer(entryClassName); String searchEngineId = indexer.getSearchEngineId(); if (_log.isDebugEnabled()) { _log.debug("Search engine ID for " + indexer.getClass() + " is " + searchEngineId); } return searchEngineId; }