public static IHandler FindHandler(this Dictionary <Type, IHandler> handlerMapping, BaseRuleAttribute attribute)
{
var handler = handlerMapping.Values.SingleOrDefault(h => h.Handles(attribute));
if (handler == null)
{
var attrType = attribute.GetType();
throw new HandlerNotFoundException(attrType.Name, attrType.FullName);
}
return(handler);
}
public bool Handles(BaseRuleAttribute attribute)
{
return(typeof(RangeRuleAttribute).IsAssignableFrom(attribute.GetType()));
}
public bool Handles(BaseRuleAttribute attribute)
{
return(typeof(RelationalOperatorAttribute).IsAssignableFrom(attribute.GetType()));
}