/// <summary>
/// Try append new <see cref="ILine"/> to <paramref name="previous"/>.
/// </summary>
/// <param name="factory"></param>
/// <param name="previous">(optional) previous part</param>
/// <param name="a0"></param>
/// <param name="a1"></param>
/// <param name="a2"></param>
/// <param name="line">result</param>
/// <typeparam name="Intf"></typeparam>
/// <typeparam name="A0"></typeparam>
/// <typeparam name="A1"></typeparam>
/// <typeparam name="A2"></typeparam>
/// <returns>true if succeeded</returns>
public static bool TryCreate <Intf, A0, A1, A2>(this ILineFactory factory, ILine previous, A0 a0, A1 a1, A2 a2, out Intf line) where Intf : ILine
{
if (factory == null)
{
line = default; return(false);
}
Intf result = default;
if (factory is ILineFactory <Intf, A0, A1, A2> _casted && _casted.TryCreate(factory, previous, a0, a1, a2, out result))
{
line = result; return(true);
}
ILineFactory <Intf, A0, A1, A2> casted;
if (factory is ILineFactoryCastable castable && (casted = castable.Cast <Intf, A0, A1, A2>()) != null && casted.TryCreate(factory, previous, a0, a1, a2, out result))
{
line = result; return(true);
}
ILine result_ = null;
if (factory is ILineFactoryByArgument __casted && __casted.TryCreate(factory, previous, LineArgument.Create <Intf, A0, A1, A2>(a0, a1, a2), out result_) && result_ is Intf result__)
{
line = result__; return(true);
}
line = default;
return(false);
}
/// <summary>
/// Append new <see cref="ILine"/> to <paramref name="previous"/>.
/// </summary>
/// <param name="factory"></param>
/// <param name="a0"></param>
/// <param name="a1"></param>
/// <param name="a2"></param>
/// <param name="previous">(optional) previous part</param>
/// <typeparam name="Intf"></typeparam>
/// <typeparam name="A0"></typeparam>
/// <typeparam name="A1"></typeparam>
/// <typeparam name="A2"></typeparam>
/// <returns>Line</returns>
/// <exception cref="LineException">If part could not append <typeparamref name="Intf"/></exception>
public static Intf Create <Intf, A0, A1, A2>(this ILineFactory factory, ILine previous, A0 a0, A1 a1, A2 a2) where Intf : ILine
{
if (factory == null)
{
throw new LineException(previous, "Appender is not found.");
}
Intf result = default;
if (factory is ILineFactory <Intf, A0, A1, A2> _casted && _casted.TryCreate(factory, previous, a0, a1, a2, out result))
{
return(result);
}
ILineFactory <Intf, A0, A1, A2> casted;
if (factory is ILineFactoryCastable castable && (casted = castable.Cast <Intf, A0, A1, A2>()) != null && casted.TryCreate(factory, previous, a0, a1, a2, out result))
{
return(result);
}
ILine result_ = null;
if (factory is ILineFactoryByArgument __casted && __casted.TryCreate(factory, previous, LineArgument.Create <Intf, A0, A1, A2>(a0, a1, a2), out result_) && result_ is Intf result__)
{
return(result__);
}
throw new LineException(previous, $"Appender doesn't have capability to append {nameof(Intf)}.");
}