Hey,

>> Upon re-attaching the detached obejct, amongst other things, the
>> timestamps are being compared to see whether the object has been updated
>> during the detachment period. In other words, you need a cache for
>> detachment to work. Internally, Castor JDO uses the 2nd level cache for
>> this, which in my opinion is not ideal and should be refactored.
>>   
> Since 1.3 it is possible to persist the timestamp of an object which
> allows to work with detached objects without any cache. In other words,
> if you persist timestamps detachment works without cache, if timestamp
> is not persisted object has to stay in 2nd level cache between detaching
> and reataching it.


I assume, Timestampable interface must be implemented anyway, right?

Lukas

>> Does this address all we talked about ?
>>
>> Werner
>>
>> Lukas Lang wrote:
>>   
>>> Hello Werner,
>>>
>>> I know, we discussed that last week in personal, but
>>> could you please again explain the different cache levels (1st, 2nd,
>>> update cache) of Castor to me?
>>>
>>> I'm writing to the dev list, because this might be interesting for
>>> others too.
>>>
>>> Thanks,
>>> Lukas
>>>
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