/// <summary>
/// Adds a validator to handle a specific subclass.
/// </summary>
/// <param name="derivedValidator">The derived validator</param>
/// <param name="ruleSets">Optionally specify rulesets to execute. If set, rules not in these rulesets will not be run</param>
/// <typeparam name="TDerived"></typeparam>
/// <returns></returns>
public PolymorphicValidator <T, TProperty> Add <TDerived>(IValidator <TDerived> derivedValidator, params string[] ruleSets) where TDerived : TProperty
{
if (derivedValidator == null)
{
throw new ArgumentNullException(nameof(derivedValidator));
}
_derivedValidators[typeof(TDerived)] = new DerivedValidatorFactory(derivedValidator, ruleSets);
return(this);
}
/// <summary>
/// Adds a validator to handle a specific subclass.
/// </summary>
/// <param name="validatorFactory">The derived validator</param>
/// <typeparam name="TDerived"></typeparam>
/// <param name="ruleSets">Optionally specify rulesets to execute. If set, rules not in these rulesets will not be run</param>
/// <returns></returns>
public PolymorphicValidator <T, TProperty> Add <TDerived>(Func <T, TDerived, IValidator <TDerived> > validatorFactory, params string[] ruleSets) where TDerived : TProperty
{
if (validatorFactory == null)
{
throw new ArgumentNullException(nameof(validatorFactory));
}
_derivedValidators[typeof(TDerived)] = new DerivedValidatorFactory(context => validatorFactory((T)context.ParentContext.InstanceToValidate, (TDerived)context.PropertyValue), ruleSets);
return(this);
}
/// <summary>
/// Adds a validator to handle a specific subclass. This method is not publicly exposed as it
/// takes a non-generic IValidator instance which could result in a type-unsafe validation operation.
/// It allows derived validaors more flexibility in handling type conversion. If you make use of this method, you
/// should ensure that the validator can correctly handle the type being validated.
/// </summary>
/// <param name="subclassType"></param>
/// <param name="validator"></param>
/// <param name="ruleSets">Optionally specify rulesets to execute. If set, rules not in these rulesets will not be run</param>
/// <returns></returns>
protected PolymorphicValidator <T, TProperty> Add(Type subclassType, IValidator validator, params string[] ruleSets)
{
if (subclassType == null)
{
throw new ArgumentNullException(nameof(subclassType));
}
if (validator == null)
{
throw new ArgumentNullException(nameof(validator));
}
if (!validator.CanValidateInstancesOfType(subclassType))
{
throw new InvalidOperationException($"Validator {validator.GetType().Name} can't validate instances of type {subclassType.Name}");
}
_derivedValidators[subclassType] = new DerivedValidatorFactory(validator, ruleSets);
return(this);
}