Here is the actual test:
using (ISession session = sessionFactory.OpenSession())
{
UserGroup ug =
session.CreateQuery("from UserGroup where
User.UsrId = 1").UniqueResult<UserGroup>();
User u = ug.User;
bool d1 =
session.IsChanged(ug);//Fabio's code
bool d2 = session.IsChanged(u);
Debug.Assert(ug.User == u);
Debug.Assert(session.IsDirty() ==
false);
session.Flush();
}
using (ISession session =
sessionFactory.OpenSession())
{
User u = session.CreateQuery("from User
where id =
1").UniqueResult<User>();
UserGroup ug = u.UserGroup.First();
bool d1 = session.IsChanged(ug);
bool d2 = session.IsChanged(u);
Debug.Assert(ug.User == u);
Debug.Assert(session.IsDirty() ==
false);//fires SaveOrUpdate
event
session.Flush();
}
On May 23, 12:48 pm, Ricardo Peres <[email protected]> wrote:
> Forgot to tell: I am using HiLo for ids and, of course, I am not
> changing anything on any of the loaded entities. No second level cache
> either.
>
> On May 23, 12:43 pm, Ricardo Peres <[email protected]> wrote:
>
>
>
>
>
>
>
> > Hi,
>
> > I am having this problem:
>
> > - I load a User entity from the DB using session.Get<T>();
> > - It loads an additional collection UserGroups containing only one
> > entity;
> > - I have an event listener for the SaveOrUpdate event:
>
> > cfg.EventListeners.SaveOrUpdateEventListeners =
> > cfg.EventListeners.SaveOrUpdateEventListeners.Concat(new[] { new
> > AuditableListener() }).ToArray();
>
> > - I check that both entities are not changed, using Fabio's code:
>
> > private bool HasDirtyProperties(FlushEntityEvent @event)
> > {
> > ISessionImplementor session = @event.Session;
> > EntityEntry entry = @event.EntityEntry;
> > var entity = @event.Entity;
> > if(!entry.RequiresDirtyCheck(entity) || !
> > entry.ExistsInDatabase || entry.LoadedState == null)
> > {
> > return false;
> > }
> > IEntityPersister persister = entry.Persister;
>
> > object[] currentState = persister.GetPropertyValues(entity,
> > session.EntityMode); ;
> > object[] loadedState = entry.LoadedState;
>
> > return persister.EntityMetamodel.Properties
> > .Where((property, i) => !
> > LazyPropertyInitializer.UnfetchedProperty.Equals(currentState[i]) &&
> > property.Type.IsDirty(loadedState[i], currentState[i], session))
> > .Any();
> > }
>
> > - When I call session.IsDirty(), it fires the SaveOrUpdateEvent
> > passing it the associated UserGroup, which shouldn't be changed;
>
> > If, however, I explicitly load the UserGroup instead of the User, when
> > I call session.IsDirty(), the SaveOrUpdateEvent is not fired, and the
> > session is not marked as dirty.
> > Any ideas? Is this a common/known problem?
>
> > <class name="User" lazy="false" table="`USER`">
> > <id name="UsrId" access="property" column="`USR_ID`">
> > <generator class="hilo" />
> > </id>
> > <property name="UsrEmail" type="String" column="`USR_EMAIL`"
> > length="100" />
> > <property name="UsrEnabled" type="Boolean" column="`USR_ENABLED`" /
>
> > <property name="UsrLogin" type="String" column="`USR_LOGIN`"
> > length="50" />
> > <property name="UsrPassword" type="String" column="`USR_PASSWORD`"
> > length="50" />
> > <property name="UsrRealName" type="String"
> > column="`USR_REAL_NAME`" length="100" />
> > <set cascade="all" inverse="true" lazy="true" name="UserGroups">
> > <key column="`USR_ID`" />
> > <one-to-many class="UserGroup" />
> > </set>
> > </class>
>
> > <class name="UserGroup" lazy="false" table="`USER_GROUP`">
> > <id name="UgrId" access="property" column="`UGR_ID`">
> > <generator class="hilo" />
> > </id>
> > <many-to-one name="Profile" class="Profile" column="`PRF_ID`" not-
> > null="true" fetch="select" />
> > <many-to-one name="User" class="User" column="`USR_ID`" not-
> > null="true" fetch="select" />
> > </class>
>
> > I think the Profile mapping is irrelevant for this matter.
> > Thanks for your help, once again!
>
> > RP
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