WsImpl wsChoice=null;
System.out.println("Deciding How to resolve a WS problem");
for (int index = 0; index < allStations.length; index++) {
Object object = allStations[index];
if(object instanceof WsGraphCell){
WsGraphCell wsCell=(WsGraphCell)object;
String name=wsCell.toString();
WsImpl ws=(WsImpl)findInModel(name);
String status=ws.queryStatus();
String strPrice=ws.queryPrice();
float fprice=Float.parseFloat(strPrice);
String strEpr=ws.getEpr().toString();