final Handler<Receiver> handle) {
super(params, handle);
final PersistentSchedulerConfig config = new PersistentSchedulerConfig(
params);
if (getClock() == null) {
setClock(new RunnableClock());
}
final ObjectNode stateConfig = config.getState();
if (stateConfig == null) {
LOG.warning("Parameter 'state' is required, falling back to SimpleScheduler.");