private object GetCollectionInstance(ClientPropertyAnnotation property, out bool instanceCreated) { instanceCreated = false; object obj2 = property.GetValue(this.entity); if (obj2 != null) { return obj2; } instanceCreated = true; Type propertyType = property.PropertyType; if (BindingEntityInfo.IsDataServiceCollection(propertyType, base.RequestInfo.MaxProtocolVersion)) { object[] args = new object[2]; args[1] = TrackingMode.None; return Activator.CreateInstance(WebUtil.GetDataServiceCollectionOfT(new Type[] { property.EntityCollectionItemType }), args); } Type c = typeof(List<>).MakeGenericType(new Type[] { property.EntityCollectionItemType }); if (!propertyType.IsAssignableFrom(c)) { c = propertyType; } return Activator.CreateInstance(c); }
internal static bool TryGetPropertyValue(object source, string sourceProperty, DataServiceProtocolVersion maxProtocolVersion, out BindingPropertyInfo bindingPropertyInfo, out ClientPropertyAnnotation clientProperty, out object propertyValue) { Type entityType = source.GetType(); bindingPropertyInfo = GetObservableProperties(entityType, maxProtocolVersion).SingleOrDefault<BindingPropertyInfo>(x => x.PropertyInfo.PropertyName == sourceProperty); bool flag = bindingPropertyInfo != null; if (!flag) { clientProperty = GetClientType(entityType, maxProtocolVersion).GetProperty(sourceProperty, true); flag = clientProperty != null; if (!flag) { propertyValue = null; return flag; } propertyValue = clientProperty.GetValue(source); return flag; } clientProperty = null; propertyValue = bindingPropertyInfo.PropertyInfo.GetValue(source); return flag; }
private MaterializeAtom ReadPropertyFromAtom(EntityDescriptor box, ClientPropertyAnnotation property) { MaterializeAtom atom2; DataServiceContext source = (DataServiceContext) base.Source; bool applyingChanges = source.ApplyingChanges; try { source.ApplyingChanges = true; bool flag2 = EntityStates.Deleted == box.State; bool instanceCreated = false; object instance = null; if (property.IsEntityCollection) { instance = this.GetCollectionInstance(property, out instanceCreated); } Type type = property.IsEntityCollection ? property.EntityCollectionItemType : property.NullablePropertyType; IList results = (IList) Activator.CreateInstance(typeof(List<>).MakeGenericType(new Type[] { type })); DataServiceQueryContinuation continuation = null; using (MaterializeAtom atom = base.GetMaterializer(this.plan)) { bool flag4 = property.EdmProperty.PropertyKind == EdmPropertyKind.Navigation; int num = 0; foreach (object obj3 in atom) { if (property.IsEntityCollection) { property.SetValue(instance, obj3, this.propertyName, true); results.Add(obj3); } else if (property.IsPrimitiveOrComplexCollection) { object obj4 = property.GetValue(this.entity); if (obj4 == null) { obj4 = Activator.CreateInstance(obj3.GetType()); property.SetValue(this.entity, obj4, this.propertyName, false); } else { property.ClearBackingICollectionInstance(obj4); } foreach (object obj5 in (IEnumerable) obj3) { property.AddValueToBackingICollectionInstance(obj4, obj5); } results.Add(obj4); } else { property.SetValue(this.entity, obj3, this.propertyName, false); results.Add(obj3); } num++; if (((obj3 != null) && (MergeOption.NoTracking != atom.MergeOptionValue)) && flag4) { if (flag2) { source.DeleteLink(this.entity, this.propertyName, obj3); } else { source.AttachLink(this.entity, this.propertyName, obj3, atom.MergeOptionValue); } } } continuation = atom.GetContinuation(null); Util.SetNextLinkForCollection(property.IsEntityCollection ? instance : this.entity, continuation); } if (instanceCreated) { property.SetValue(this.entity, instance, this.propertyName, false); } atom2 = MaterializeAtom.CreateWrapper(source, results, continuation); } finally { source.ApplyingChanges = applyingChanges; } return atom2; }