public static Implementations?TryFromAttributes(Type t, PropertyRoute route, ImplementedByAttribute ib, ImplementedByAllAttribute iba)
{
if (ib != null && iba != null)
{
throw new NotSupportedException("Route {0} contains both {1} and {2}".FormatWith(route, ib.GetType().Name, iba.GetType().Name));
}
if (ib != null)
{
return(Implementations.By(ib.ImplementedTypes));
}
if (iba != null)
{
return(Implementations.ByAll);
}
if (Error(t) == null)
{
return(Implementations.By(t));
}
return(null);
}
public static Implementations FromAttributes(Type t, PropertyRoute route, ImplementedByAttribute ib, ImplementedByAllAttribute iba)
{
Implementations?imp = TryFromAttributes(t, route, ib, iba);
if (imp == null)
{
var message = Error(t) + @". Set implementations for {0}.".FormatWith(route);
if (t.IsInterface || t.IsAbstract)
{
message += @"\r\n" + ConsiderMessage(route, "typeof(YourConcrete" + t.TypeName() + ")");
}
throw new InvalidOperationException(message);
}
return(imp.Value);
}
public static Implementations FromAttributes(Type t, PropertyRoute route, ImplementedByAttribute ib, ImplementedByAllAttribute iba)
{
Implementations?imp = TryFromAttributes(t, route, ib, iba);
if (imp == null)
{
var message = Error(t) + @". Set implementations for {0}.".FormatWith(route);
if (t.IsInterface || t.IsAbstract)
{
message += @"\r\nConsider writing something like this in your Starter class:
sb.Schema.Settings.FieldAttributes(({0} a) => a.{1}).Replace(new ImplementedByAttribute(typeof(YourConcrete{2})));"
.FormatWith(route.RootType.TypeName(), route.PropertyString().Replace("/", ".First()."), t.TypeName());
}
throw new InvalidOperationException(message);
}
return(imp.Value);
}