Re: Deleting items in collection?

I've been using RemovalAwareList in the descriptor, so I don't need to 
take care of this in coding.

Regards,

Richter



Carlos Chávez escreveu:
> Sebastian Stein escribió:
>> Vasily Ivanov <[email protected]> [060821 23:46]:
>>  
>>>> if I delete an ClassB object from the collection in
>>>> ClassA and store the ClassA object again, this
>>>> ClassB object is not removed from the database
>>>>       
>>> It depends on how you delete this object from collection. You should
>>> get object (aObject) with all references using OJB query, first. Than
>>> remove object (bObject) from collection (by calling
>>> aObject.getBs().remove(bObject)) and than call broker.store(aObject).
>>> That should remove bObject from db.
>>>     
>>
>> I really don't understand why it is not working. I do the following:
>>
>> aObject.getBs().clear();
>> aObject.getBs().addAll(newBs);
>>
>> But the old Bs are not removed, just the new Bs are added. This is 
>> the case
>> if I have auto-delete="false" in the repository.xml for the 
>> definition of
>> the objectB collection.
>>
>> If I turn it on, it deletes all Bs without adding them again. It is very
>> strange.
>>
>>   
>   Hi Sebastian.
>
>   We had some similar situation, we solved in this way:
>
>   OBJ have a RemovalAwareList class, so i create a List usign 
> RemovalAwareList(), copy the childs to this
>   list, then remove the object from the list then i commit the changes.
>
>   Example:
>        List lst = new RemovalAwareList();
>        lst.addAll(object1.getChilds());
>        lst.remove(child);
>        object1.setChilds(lst);           So when you commit your 
> changes OJB delete the object.
>
>   I hope this help.
>  
>   Cheers,
>   Carlos Chávez.   
>> Sebastian
>>
>> PS: If you are interested I can also point you directly to the code, 
>> it is
>> public.
>>
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