public int Execute(CalculatorOperations operation, CalculatorArguments args)
{
switch (operation)
{
case CalculatorOperations.Add:
return Add(args);
case CalculatorOperations.Sub:
return Sub(args);
case CalculatorOperations.Mul:
return Mul(args);
case CalculatorOperations.Div:
return Div(args);
default:
throw new InvalidOperationException();
}
}
public int Div(CalculatorArguments args)
{
return args.X / args.Y;
}
public int Sub(CalculatorArguments args)
{
return args.X - args.Y;
}
public int Mul(CalculatorArguments args)
{
return args.X * args.Y;
}
public int Add(CalculatorArguments args)
{
return args.X + args.Y;
}