public HailstoneController(HailstoneNumberGenerator generator)
{
Generator = generator;
}
/// <summary>
/// This method illustrates method level dependency injection.
/// </summary>
/// <param name="generator">An instance of a HailstoneNumberGenerator.</param>
/// <remarks>
/// The method needs to do something, and it needs a HailstoneNumberGenerator to do it.
///
/// The generator is provided to the method as a parameter.
///
/// The parameter is specified as an interface so that the concrete instance of the type can change
/// without the the method itself being changed. It also allows the method to be used/reused in more cases.
///
/// For example
/// DoStuff_Injected(new NaiveHailstoneNumberGenerator());
/// DoStuff_Injected(new OptimizedHailstoneNumberGenerator());
/// </remarks>
public static void DoStuff_Injected(HailstoneNumberGenerator generator)
{
generator.ComputeHailstoneNumber(0);
}
