public static INumberRenderer Create(int value)
{
if (value < 0)
{
throw new ArgumentException("Value can not be less than 0.", nameof(value));
}
INumberRenderer numberRenderer = null;
if (value <= 12)
{
numberRenderer = new UnitAndTweenNumberRenderer();
}
else if (value <= 19)
{
numberRenderer = new TeenNumberRenderer();
}
return(numberRenderer);
}
public NumberRendererUseCase(INumberRenderer numberRenderer, InitialState initialState)
{
NumberRenderer = numberRenderer;
InitialState = initialState;
}
