Esempio n. 1
0
 internal static Type FindTarget(Type consumer)
 {
     foreach (object attribute in consumer.GetCustomAttributes(typeof(TargetTypeAttribute), true))
     {
         TargetTypeAttribute targetAttribute = attribute as TargetTypeAttribute;
         if (targetAttribute != null)
         {
             return(targetAttribute.target);
         }
     }
     throw new InvalidOperationException("No constraint Target is defined for the consumer Type :" + consumer);
 }
Esempio n. 2
0
        public List <Type> CheckConstraints(Type t)
        {
            List <Type> types = new List <Type>();

            foreach (PropertyDescriptor prop in DiscoverableInputHelper.GetInputProperties(t))
            {
                Trace.WriteLine(String.Format("[ConstraintsTable] Checking Property Constraint {0} on {1}.", prop.Name, t));
                Type inputType = prop.PropertyType;
                if (prop.Attributes.Contains(InputAttribute.CreateFromConstraints))
                {
                    ConstrainedDataSource datasource = Get(TargetTypeAttribute.FindTarget(t), prop.Name);
                    if (null == datasource)
                    {
                        throw new InvalidOperationException("Missing constraint entry for" + t + " property: " + prop.Name);
                    }
                    else
                    {
                        datasource.Validate();
                    }
                }
            }
            return(types);
        }