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From Christopher Snow <sno...@snowconsulting.co.uk>
Subject Re: stale updates
Date Wed, 06 Jan 2010 18:13:27 GMT
Whoops - accidental post. 

I had seen the definition in http://ofbiz.apache.org/docs/entity.html 
and it explains everything!

Christopher Snow wrote:
> Thanks David.
>
> I can see the attribute enable-lock on the entity.  Do I just set this 
> to true
>
> David E Jones wrote:
>> This is usually referred to as an "optimistic lock", and yes this can 
>> be turned on per-entity in the entity definition itself. In some 
>> cases logic and UI changes will be necessary to support this, ie in 
>> order to support passing the timestamp that represents the "version" 
>> of the record to make sure it is the same when saving the changes.
>>
>> -David
>>
>>
>> On Jan 6, 2010, at 9:56 AM, Christopher Snow wrote:
>>
>>  
>>> I have just done a quick test and it appears that if two users are 
>>> editing and save the same record, the last save wins.  Is it 
>>> possible to change this behavior to throw an error if the data is 
>>> stale, like hibernate's StaleObjectStateException?
>>>
>>> Many thanks,
>>>
>>> Chris
>>>
>>>
>>>     
>>
>>   
>
>


-- 
Chris Snow - CEng MBCS CITP MBA (Tech Mgmt) (Open) CISSP

Tel: 01453 890660
Mob: 07944 880950
Www: www.snowconsulting.co.uk


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