private void processEvent(Event event) {
		switch (event.getType()) {
		case NEW_PROCESS:
			newProcess();
			break;
		case SWITCH_PROCESS:
			switchProcess();
			break;
		case END_PROCESS:
			endProcess();
			break;
		case IO_REQUEST:
			processIoRequest();
			break;
		case END_IO:
			endIoOperation();
			break;
		}
	}