/// <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
}
/// <summary>
/// Delay load property
/// </summary>
public static TReturn LoadProperty <TReturn>(this IdentifiedData me, string propertyName)
{
return((TReturn)me.LoadProperty(propertyName));
}
/// <summary>
/// Delay load property
/// </summary>
public static IEnumerable <TReturn> LoadCollection <TReturn>(this IdentifiedData me, string propertyName)
{
return(me.LoadProperty(propertyName) as IEnumerable <TReturn>);
}
/// <summary>
/// Validate the state of this object
/// </summary>
public static IEnumerable <ValidationResultDetail> Validate(this IdentifiedData me)
{
return(new List <ValidationResultDetail>());
}
