public void sendServiceSignal(final Word serviceSignal) {
StringBuffer service = new StringBuffer(serviceSignal.getWord());
StringBuffer signal =
new StringBuffer(service.substring(4))
.append(nodeId)
.append(service.substring(4, service.length()));
serviceSignal.setWord(signal.toString());
driver.send(serviceSignal);
}
public void sendTargetSignal(final Word targetSignal) {
driver.send(targetSignal);
}