You have a IPersistentCollection because without it, you can't do nothing.from
your post:
var collection = previousState[i]
as NHibernate.Collection.IPersistentCollection;
// CollectionSnapshot.Snapshot does not exist anymore
adaptedPreviousState[i] = collection.CollectionSnapshot.Snapshot;

As you can see, you are casting an element of state's array to
a IPersistentCollection.

Obviously using collection's listeners is more easy than use IIterceptor
(discontinued interface).


2009/5/11 Stefan Steinegger <[email protected]>

>
> Thanks. Both need a "Persister" as argument, and I don't have one.
>
> I need it in a Interceptor. It fires events with "old value" and "new
> value" data. It worked well in NH 2.0.
>
> On 11 Mai, 17:21, Fabio Maulo <[email protected]> wrote:
> > or /// <summary>
> > /// Return a new snapshot of the current state of the collection
> > /// </summary>
> > ICollection GetSnapshot(ICollectionPersister persister);
> >
> > it depend on what you are doing with it
> >
> > 2009/5/11 Fabio Maulo <[email protected]>
> >
> >
> >
> > > IPersistentCollection.StoredSnapshot
> >
> > > 2009/5/11 Stefan Steinegger <[email protected]>
> >
> > >> Hello. I'm trying to get version 2.1 working on our codebase. I
> > >> couldn't get my AuditTrail implementation working, because there are
> > >> changes on NH's collections.
> >
> > >> I get the collection's "old-value" like in this implementation from
> > >> jr76:
> >
> > >>http://groups.google.com.ar/group/nhusers/browse_thread/thread/8e7f1f.
> ..
> >
> > >> This part does not compile anymore:
> >
> > >> var collection = previousState[i] as
> > >> NHibernate.Collection.IPersistentCollection;
> > >> // CollectionSnapshot.Snapshot does not exist anymore
> > >> adaptedPreviousState[i] = collection.CollectionSnapshot.Snapshot;
> >
> > >> How can I get the "previous state" of the collection with NH 2.1?
> > >> Thanks a lot for any hint.
> >
> > > --
> > > Fabio Maulo
> >
> > --
> > Fabio Maulo
> >
>


-- 
Fabio Maulo

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