code: private static void loadLuceneIndices(
  			final AbstractGraphDatabase graphDatabase) {
  		INDEX_STATUS_UPDATE_TEMPLATES = graphDatabase.index().forNodes("tmpl");
  		INDEX_USERS = graphDatabase.index().forNodes("user");
  		INDEX_STATUS_UPDATES = graphDatabase.index().forNodes("stup");
  	}
docs: load the lucene indices for a database
  
  @param graphDatabase
  social graph database to operate on