/// <summary>
/// Extract value, it extract the part of the object specified by mPartName
/// and work on the type of the object passed in the first call.
/// </summary>
/// <param name="objToValidate"></param>
/// <returns></returns>
public object ExtractValue(object objToValidate)
{
if (innerValueExtractor == null)
{
innerValueExtractor = CreateInnerExtractor(objToValidate.GetType());
}
return(innerValueExtractor.ExtractValue(objToValidate));
}
public object ExtractValue(object objToValidate)
{
Double left = Convert.ToDouble(mLeft.ExtractValue(objToValidate));
Double right = Convert.ToDouble(mRight.ExtractValue(objToValidate));
switch (mOperation)
{
case MathOperation.Addition:
return(left + right);
case MathOperation.Division:
return(left / right);
case MathOperation.Multiplication:
return(left * right);
case MathOperation.Subtraction:
return(left - right);
default:
throw new ArgumentException("Unknown operation");
}
}
protected T Extract <T>(Object obj)
{
return((T)mValueExtractor.ExtractValue(obj));
}