private IEnumerable <Type> GetValidatorsForCommand(Type command)
{
Type ValidatorInterface = typeof(ICommandValidator <>);
var validatorType = ValidatorInterface.MakeGenericType(command);
return(this.Validators.Where(FN.ClassImplements(validatorType)));
}
private IEnumerable <Type> GetListenersForNotification(Type notification)
{
Type ValidatorInterface = typeof(INotificationListener <>);
var validatorType = ValidatorInterface.MakeGenericType(notification);
return(this.Listeners.Where(FN.ClassImplements(validatorType)));
}
public MediadorTypeManager()
{
var types = LoadFromAssemblies();
Commands = types.Where(FN.ClassImplements(typeof(ICommand)));
Handlers = types.Where(FN.ClassImplements(typeof(IHandler)));
Validators = types.Where(FN.ClassImplements(typeof(IValidator)));
Notifications = types.Where(FN.ClassImplements(typeof(INotification)));
Listeners = types.Where(FN.ClassImplements(typeof(INotificationListener)));
}
private Type GetHandlerForCommand(Type command, Type commandReturnType = null)
{
var genericParams = (new[] { command, commandReturnType }).Where(FN.IsNotNull).ToArray();
Type handlerInterface = commandReturnType != null ?
typeof(ICommandHandler <,>) :
typeof(ICommandHandler <>);
Type handlerType = handlerInterface.MakeGenericType(genericParams);
return(this.Handlers.Single(FN.ClassImplements(handlerType)));
}