Exemplo n.º 1
0
        /// <summary>
        /// Delay load property
        /// </summary>
        public static object LoadProperty(this IdentifiedData me, string propertyName)
        {
            if (me == null)
            {
                return(null);
            }

            var propertyToLoad = me.GetType().GetRuntimeProperty(propertyName);

            if (propertyToLoad == null)
            {
                return(null);
            }

            var currentValue = propertyToLoad.GetValue(me);

            if (typeof(IEnumerable).GetTypeInfo().IsAssignableFrom(propertyToLoad.PropertyType.GetTypeInfo())) // Collection we load by key
            {
                if ((currentValue as IList)?.Count == 0)
                {
                    var mi     = typeof(IEntitySourceProvider).GetGenericMethod(nameof(IEntitySourceProvider.GetRelations), new Type[] { propertyToLoad.PropertyType.StripGeneric() }, new Type[] { typeof(Guid?) });
                    var loaded = Activator.CreateInstance(propertyToLoad.PropertyType, mi.Invoke(EntitySource.Current.Provider, new object[] { me.Key.Value }));
                    propertyToLoad.SetValue(me, loaded);
                    return(loaded);
                }
                return(currentValue);
            }
            else if (currentValue == null)
            {
                var xsr = propertyToLoad.GetCustomAttribute <SerializationReferenceAttribute>();
                if (xsr == null)
                {
                    return(me);
                }
                var keyValue = me.GetType().GetRuntimeProperty(xsr.RedirectProperty).GetValue(me) as Guid?;
                if (keyValue.GetValueOrDefault() == default(Guid))
                {
                    return(currentValue);
                }
                else
                {
                    var mi     = typeof(IEntitySourceProvider).GetGenericMethod(nameof(IEntitySourceProvider.Get), new Type[] { propertyToLoad.PropertyType }, new Type[] { typeof(Guid?) });
                    var loaded = mi.Invoke(EntitySource.Current.Provider, new object[] { keyValue });
                    propertyToLoad.SetValue(me, loaded);
                    return(loaded);
                }
            }
            else
            {
                return(currentValue);
            }
            // Now we want to
        }
Exemplo n.º 2
0
 /// <summary>
 /// Delay load property
 /// </summary>
 public static TReturn LoadProperty <TReturn>(this IdentifiedData me, string propertyName)
 {
     return((TReturn)me.LoadProperty(propertyName));
 }
Exemplo n.º 3
0
 /// <summary>
 /// Delay load property
 /// </summary>
 public static IEnumerable <TReturn> LoadCollection <TReturn>(this IdentifiedData me, string propertyName)
 {
     return(me.LoadProperty(propertyName) as IEnumerable <TReturn>);
 }
Exemplo n.º 4
0
 /// <summary>
 /// Validate the state of this object
 /// </summary>
 public static IEnumerable <ValidationResultDetail> Validate(this IdentifiedData me)
 {
     return(new List <ValidationResultDetail>());
 }