Double dn2 = new Double(Double.MIN_VALUE);
String s1 = "\""+dn1.toString()+"\"";
String s2 = "\""+dn2.toString()+"\"";
//HashMap map = new HashMap();
propertySensor1=new StringConstant(s1.toString());
propertySensor2=new StringConstant(s2.toString());
propertySensor3=new DoubleConstant(dn1.doubleValue());
propertySensor4=new DoubleConstant(dn2.doubleValue());
//SensorLookup lookup = new SensorLookupImpl(map);
try {
Vector v = new Vector();
v.add(new StringConstant(s1));
Expression es1 = new ToREAL64(v,true);
v.clear();
v.add(new StringConstant(s2));
Expression es2 = new ToREAL64(v,true);
v.clear();
v.add(new DoubleConstant(dn1.doubleValue()));
Expression edn1 = new ToREAL64(v,true);