@SuppressWarnings("unchecked")
@Override
public void serviceStop() throws Exception {
((AbstractYarnScheduler<SchedulerApplicationAttempt, SchedulerNode>) scheduler).stop();
super.serviceStop();
}
@SuppressWarnings("unchecked")
@Override
public void serviceInit(Configuration conf) throws Exception {
((AbstractYarnScheduler<SchedulerApplicationAttempt, SchedulerNode>) scheduler).init(conf);
super.serviceInit(conf);
}