private void actualSwitchOff() {
switch (currentState) {
case SWITCHINGON:
setState(State.SWITCHINGOFF);
onOffEvent.addFurtherTasks(offTransition);
onOffEvent.setNewState(State.OFF);
break;
case RUNNING:
setState(State.SWITCHINGOFF);
new Timed() {
@Override
public void tick(final long fires) {
ResourceSpreader.FreqSyncer syncer = getSyncer();
// Ensures that the switching off activities are only
// started once all runtime activities complete for the
// directConsumer
if (syncer != null
&& syncer.isSubscribed()
&& (underProcessing.size() + toBeAdded.size() - toBeRemoved.size() > 0)) {
updateFrequency(syncer.getNextEvent() - fires + 1);
} else {
unsubscribe();
new PowerStateDelayer(offTransition, State.OFF);
}
}
}.tick(Timed.getFireCount());
break;
case OFF:
case SWITCHINGOFF:
// Nothing to do
System.err.println("WARNING: an already off PM was tasked to switch off!");
}
}
/**
* Turns on the physical machine so it allows energy and resource consumption and opens the
* possibility to receive VM requests.
*/
public void turnon() {
switch (currentState) {
case SWITCHINGOFF:
case OFF:
if (onOffEvent == null) {
new PowerStateDelayer(onTransition, State.RUNNING);
} else {
onOffEvent.addFurtherTasks(onTransition);
onOffEvent.setNewState(State.RUNNING);
}
setState(State.SWITCHINGON);
break;
case RUNNING:
case SWITCHINGON:
// Nothing to do
System.err.println("WARNING: an already running PM was tasked to switch on!");
}
}
