示例#1
0
        public virtual void PropertyChanging(InternalEntityEntry entry, IPropertyBase propertyBase)
        {
            if (!entry.EntityType.UseEagerSnapshots())
            {
                entry.EnsureOriginalValues();

                if (propertyBase.GetRelationshipIndex() != -1)
                {
                    entry.EnsureRelationshipSnapshot();
                }
            }
        }
示例#2
0
        public virtual InternalEntityEntry SnapshotAndSubscribe(InternalEntityEntry entry)
        {
            var entityType = entry.EntityType;

            if (entityType.UseEagerSnapshots())
            {
                entry.EnsureOriginalValues();
                entry.EnsureRelationshipSnapshot();
            }
            else if (entityType.GetNavigations().Any(n => n.IsNonNotifyingCollection(entry)))
            {
                entry.EnsureRelationshipSnapshot();
            }

            var changing = entry.Entity as INotifyPropertyChanging;

            if (changing != null)
            {
                changing.PropertyChanging += (s, e) =>
                {
                    var property = TryGetPropertyBase(entityType, e.PropertyName);
                    if (property != null)
                    {
                        _notifier.PropertyChanging(entry, property);
                    }
                };
            }

            var changed = entry.Entity as INotifyPropertyChanged;

            if (changed != null)
            {
                changed.PropertyChanged += (s, e) =>
                {
                    var property = TryGetPropertyBase(entityType, e.PropertyName);
                    if (property != null)
                    {
                        _notifier.PropertyChanged(entry, property);
                    }
                };
            }

            return(entry);
        }