Re: [Ganymede Dev] Sensitive Invid Field

["John King" <the_king17@hotmail.com>]

>
>Well, it would have been helpful if you had actually included your
>finalizeSetValue() method, rather than just the secondary setDName()
>method.
>


there goes:

		//set DName field if the Parent field was changed
		if(field.getID() == PARENT){
			//tell ganymede wizad is active, only parent and zone may activate this 
wizard
			DNameWizardEnabled=true;
			//initialize wizard
			return 
((InvidDBField)getField(PARENT)).rescanThisField(setDName((String)getFieldValueLocal(ZONE)));
		}


I've put an over-amount of rescanThisField's in my source, yes I know. 
Cleaning up is what I reserve for later after I've made the mess.




>The problem is almost certainly that you are trying to use
>
>	return ((InvidDBField)getField(PARENT)).rescanThisField(null);
>
>to get the value of the PARENT field.. I assume that's the field that
>your finalizeSetValue() method was called upon to trigger setDName()
>being called?
>

Thats completely right

>If you look at the method signature for DBEditObject.finalizeSetValue(),
>you'll see that it is defined as
>
>   public ReturnVal finalizeSetValue(DBField field, Object value)

field is in this case PARENT, value doesn't matter because I want the 
current value of ZONE, which is either something or null.


>
>in this case, value will be the new Invid to be set into that field.
>If you do a getFieldValue() or something like that on an
>InvidDBField() between the time that finalizeSetValue() is called and
>the time that finalizeSetValue() is returned, you'll always see the
>old value of the Invid field.

like I thought. So at
		try{
		    parentDName = 
((StringDBField)getFieldInTarget(PARENT,DNAME)).getValueString();
		}
the current value isn't finalized yet. And so I read the previous value..



>
>The whole point of finalizeSetValue() and the other finalize methods
>is that if your finalize methods don't return a successful ReturnVal
>or null, the change that you are being notified for will not actually
>be performed.
>
>Does this make sense?

yes it does. But can I finalize this Invid manually? Or is there some other 
way to retreive the object referenced to in the yet unfinalized Invid?


>
>| besides it's great you're alreadsy at your work!\
>
>I haven't left yet.. it's only 6pm here. ;-)

Die hard!


Regards,
Jan Bonne Aans
DTO, TU Delft
The Netherlands

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