After looking into this a bit more I have tracked the problem down to the
following...
// look for existing category...
existingCategory = findByName(category.getName());
if ((existingCategory != null) && (existingCategory.getId() !=
category.getId())) {
throw new InvalidCategoryException("Category already exists");
}
// we're good to update
session.update(category); <--- this is where the error occurs..
I am getting the following exception:
Another object was associated with this id (the object with the given id was
already loaded)
[eightotwo.fhe.model.content.hibernate.HibernateCategory#131074]
Before I had session.saveOrUpdate() which was just creating a new Category
object... is there a way to release the lock on the 'parentCategory' object
so that I can update the object I want?
Thanks!
Justen Stepka
----- Original Message -----
From: "Justen Stepka" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Cc: <[EMAIL PROTECTED]>
Sent: Tuesday, February 04, 2003 8:41 PM
Subject: Re: [Hibernate] dependent object that is a reference to another
hibernate object
> Yup.. that's how I got the saves working before... here is my setup...
>
> <hibernate-mapping default-cascade="save-update">
> <class name="eightotwo.fhe.model.content.hibernate.HibernateCategory"
> table="CATEGORY">
> <id name="id" column="categoryid" type="long">
> <generator class="hilo.long"/>
> </id>
>
> <property name="active" column="active" type="boolean"/>
> <property name="description" column="description" type="string"/>
> <property name="name" column="name" type="string"/>
> <property name="conception" column="conception" type="timestamp"
/>
>
> <one-to-one name="parentCategory"
> class="eightotwo.fhe.model.content.hibernate.HibernateCategory"/>
>
> <!-- need note mappings -->
> <list role="notes">
> <key column="category_noteid"/>
> <index column="listorder"/>
> <one-to-many
> class="eightotwo.fhe.model.audit.hibernate.HibernateNote"/>
> </list>
>
> <!-- creator -->
> <many-to-one name="creator"
> class="eightotwo.fhe.model.security.hibernate.HibernateAdministrator"
> column="admincreatorid"/>
> </class>
> </hibernate-mapping>
>
> then here is the HibernateNote object..
>
> <hibernate-mapping default-cascade="none">
> <class name="eightotwo.fhe.model.audit.hibernate.HibernateNote"
> table="NOTE">
> <id name="id" column="noteid" type="long">
> <generator class="hilo.long"/>
> </id>
>
> <property name="comment" column="comment" type="string"/>
> <property name="date" column="commentdate" type="timestamp"/>
>
> <!-- need to keep track of who set this note, must be admin -->
> <many-to-one cascade="none" name="user"
> class="eightotwo.fhe.model.security.hibernate.HibernateAdministrator"
> column="administratorid"/>
> </class>
> </hibernate-mapping>
>
> I have been playing around for a bit.. but the problem that I am having
now
> is that when I call the following code:
>
> category = CategoryDAOFactory.getDAO().findById(id);
> Note note = NoteDAOFactory.getDAO().newNote();
> User user =
> UserManagerFactory.getManager().findAdministratorById(getUser().getId());
> note.setUser(user);
> note.setComment(comment);
> List notes = category.getNotes();
> notes.add(note);
> category.setNotes(notes);
> ContentManagerFactory.getManager().update(category);
>
> ---
>
> update more or less calls category.saveOrUpdate();
>
> the the category object gets saved again.. and now I have to category
> objects... each time I add a note and save the category this problem
> happens... am I just missing the correct way to have the cacades setup?
>
> Thanks,
>
> Justen Stepka
>
> ----- Original Message -----
> From: <[EMAIL PROTECTED]>
> To: "Justen Stepka" <[EMAIL PROTECTED]>
> Cc: <[EMAIL PROTECTED]>
> Sent: Tuesday, February 04, 2003 7:59 PM
> Subject: Re: [Hibernate] dependent object that is a reference to another
> hibernate object
>
>
> >
> > If you don't want the save() to cascade, you should set cascade="none"
or
> > cascade="delete" on the association to User.
> >
> > (Also, as long as unsaved-value is correct, the save() will cascade to
an
> > update() of the User, which is okay usually.)
> >
> >
> >
> >
> >
> > "Justen Stepka"
> > <[EMAIL PROTECTED]> To:
> <[EMAIL PROTECTED]>
> > Sent by: cc:
> > [EMAIL PROTECTED] Subject:
> [Hibernate] dependent object that is a reference to another
> > eforge.net hibernate
> object
> >
> >
> > 05/02/03 11:54 AM
> >
> >
> >
> >
> >
> >
> > I am having a problem with my already existing objects being persisted
> into
> > the database when I call saveOrUpdate().
> >
> > What happens is that I am putting the User object into my servlet
session
> > so
> > that I can access the values of the account on the view (JSP pages).
When
> I
> > call on an operation later in the system I may grab that User object out
> of
> > the session to set the value into a new object that is later persisted
> with
> > hibernate by calling saveOrUpdate().
> >
> > This is where the problem occurs... when I save that new object with the
> > User object as a reference it is being repersisted rather than looking
at
> > the identy field and seeing that the row/data in the datastore as the
same
> > object.
> >
> > Is there a way to force hibernate to look at the existing identify field
> on
> > the object I am setting rather than resave the existing object over
again?
> >
> > Thanks.
> >
> >
> >
> > -------------------------------------------------------
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