if(forceBlocking) {
for(int i = 0; i < savers.size(); i++) {
Saver saver = (Saver)savers.get(i);
logger.debug("Start blocking on: " + savers );
saver.waitUntilFinish();
}
if(savers.size() == 0) {
for(int i = 0; i < associators.size(); i++) {
Associator associator = (Associator)associators.get(i);