Hi,
I ran into this problem that I can't solve for some time now:
I have two entities: User and Job
A User has FavoriteJobs. This is a many-to-many association with Job. Also,
this association is filtered so that only active (not archived) jobs are
fetched.
The mapping for the FavoriteJobs association looks like this (using
FluentNHibernate)
HasManyToMany(x => x.FavoriteJobs)
.Table("UserJob")
.ParentKeyColumn("UserId")
.ChildKeyColumn("JobId")
.ApplyChildFilter<ExcludeArchivedJobsFilter>("IsArchived = :condition")
.Cascade.None();
A job can be archived and un-archived at any time from the application.
When fetching users, the FavoriteJobs collection is populated with the
right jobs, only the active ones.
The problem is that when I want to save a User, all the jobs that were
filtered are being treated as though their association has been broken and
are deleted from the crossreference table (just like the user marked the
filtered jobs as not being favorite anymore).
I am wondering if there are any patterns to mark the filtered entries as
being just filtered and not deleted.
Something like disabling the filter from the mapping when there is an
update event.
I would appreciate any ideas,
Adrian.
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