Beaneditform looses data of non visual fields.

[Michael Schmidt]

Hi all,

I'm trying to use the BeanEditForm for editing the data of a object and 
persist it using hibernate.

Here are some code snippets:

Page Class:

public class AdministrationGroupsEdit
{
   @Inject
   Session session;

   @InjectPage
   AdministrationGroups redirectPage;

   private Integer groupId;

   @Property
   private Group group;

   void onActivate(Integer personId)
   {
      this.groupId = personId;
   }

   void setupRender()
   {
      this.group = (Group) this.session.createQuery("from Group where 
id= :p_id")
         .setInteger("p_id", this.groupId)
         .uniqueResult();
   }

   @CommitAfter
   void onValidateFromGroupForm()
   {
      this.session.merge(this.group);
   }

   AdministrationGroups onSuccess()
   {
      return this.redirectPage;
   }
}


My Page itself looks like this:

...
<t:beaneditform t:id="groupForm" object="group"
        submitLabel="Save">
        [BeanEditForm here]
</t:beaneditform>
...

And here is my mode:

@Entity
@Table(name = "group", schema = "public")
public class Group implements java.io.Serializable
{

   private int id;
   private String guid;
   private String name;

   public Group()
   {
   }

   @Id
   @NonVisual
   @GeneratedValue(strategy = GenerationType.IDENTITY)
   @Column(name = "id", unique = true, nullable = false)
   public int getId()
   {
      return this.id;
   }

   public void setId(int groupId)
   {
      this.id = groupId;
   }

   @Column(name = "name")
   public String getName()
   {
      return this.name;
   }

   public void setName(String name)
   {
      this.name = name;
   }

   @Column(name = "guid")
   @NonVisual
   public String getGuid()
   {
      return this.guid;
   }

   public void setGuid(String guid)
   {
      this.guid = guid;
   }

    ...
}



So you can see i marked the guid and id property as @NonVisual which 
seems not to work. The property is not displayed in the beaneditform but 
also the value is lost when onSuccess() or onValidateFromGroupForm() is 
called. I expected non visual properties to be stored in hidden fields 
or something like this!? This seems to be not the default behavoir 
because the documentation says: @NonVisual could be used for id 
fields... but in my application the values are lost...

Am I missing something?

Btw: Is there a better way than using the @NonVisual annotation cause i 
dont't want to put this in my property.

Thanks


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