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);
}
public virtual void PropertyChanging(InternalEntityEntry entry, IPropertyBase propertyBase)
{
if (!entry.EntityType.UseEagerSnapshots())
{
entry.EnsureOriginalValues();
if (propertyBase.GetRelationshipIndex() != -1)
{
entry.EnsureRelationshipSnapshot();
}
}
}