@Override
	public String toString(){ 
		String nodeToString = "Node ";
		nodeToString += Calculator.bytesToHex(nodeId);
		//only add node positions, if the exist
		if(x != -1 && y != -1 && z != -1){
			nodeToString += " at the coordinates "+x+" , "+y+" , "+z+" ";
		}
		if(broadcast){
			nodeToString = "Broadcast";
		}
		
		return nodeToString;
	}