public static IFizzBuzzEngine Create(FizzBuzzRuleSet ruleSet)
{
IFizzBuzzSolverFactory factory = new FizzBuzzSolverFactory();
IFizzBuzzSolver solver = factory.GetSolver(ruleSet);
return(new FizzBuzzEngine(solver));
}
// TODO: when FizzBuzzEngineFactory is gone,
// refactor to GetSolver<FizzBuzzRuleSet>()
// and use service locator to resolve other dependencies.
public IFizzBuzzSolver GetSolver(FizzBuzzRuleSet ruleSet)
{
IFizzBuzzSolver solver = null;
switch (ruleSet)
{
/// <summary>
/// The standard game - based on the divisibility of a number.
/// </summary>
case FizzBuzzRuleSet.FizzBuzzDivisible:
solver = new FizzBuzzDivisibleSolver();
break;
/// <summary>
/// The standard game with additional substitutions for divisibility.
/// </summary>
case FizzBuzzRuleSet.FizzBuzzBoomBangCrashDivisible:
solver = new FizzBuzzCrashDivisbleSolver();
break;
/// <summary>
/// A game based on the digits contained in a number.
/// </summary>
case FizzBuzzRuleSet.FizzBuzzDigits:
solver = new FizzBuzzDigitsSolver();
break;
/// <summary>
/// A combination of FizzBuzzDivisible and FizzBuzzDigits.
/// </summary>
case FizzBuzzRuleSet.FizzBuzzDivisibleOrDigits:
solver = new FizzBuzzDivisibleOrDigitsSolver(new FizzBuzzDivisibleSolver(), new FizzBuzzDigitsSolver());
break;
default:
throw new ArgumentOutOfRangeException(nameof(ruleSet), $"{ruleSet} is not a handled {nameof(ruleSet)}"); // <-- ASSUME: C# 7 compiler
}
return(solver);
}
public FizzBuzzEngine(IFizzBuzzSolver solver)
{
this.solver = solver;
}
