public static void AddConstraint(this Solver solver, Type type, string options)
{
try
{
switch (Activator.CreateInstance(type, solver, options))
{
case Constraint constraint:
solver.AddConstraint(constraint);
break;
case IConstraintGroup constraintGroup:
constraintGroup.AddConstraints(solver);
break;
}
List <string> constraintStrings;
if (solver.customInfo.TryGetValue("ConstraintStrings", out object constraintStringsObj))
{
constraintStrings = (List <string>)constraintStringsObj;
}
else
{
solver.customInfo["ConstraintStrings"] = constraintStrings = new();
}
if (string.IsNullOrWhiteSpace(options))
{
constraintStrings.Add(type.Name);
}
else
{
constraintStrings.Add($"{type.Name}:{options}");
}
}
catch (Exception e)
{
throw new ArgumentException($"**ERROR** Cannot instantiate constraint {type.Name}: {e.Message}");
}
}
