Re: [Boost-users] [serialization, archive] Serialize boost::shared_ptr to custom archive

Subject: Re: [Boost-users] [serialization, archive] Serialize boost::shared_ptr to custom archive
From: Francois Mauger (mauger_at_[hidden])
Date: 2013-03-15 04:22:51

 >>>> Le 15/03/2013 03:27, Robert Ramey a écrit :
>>> Robert Ramey
>>>
>>
>> Hi Robert, all
>>
>> Hmm, a question related to Robert's comment...
>>
>> In my group, we use boost::shared_ptr<> instances to implement smart
>> relationships between various objects of a transcient physics data
>> model (particle/nuclear decays in a large detector).
>>
>> The Boost/serialization lib (text + XML + eos::portable v5.0 I/O
>> archives) is (and will be)  used to store/load 10s of TB of
>> experimental and simulated physics data.
>>
>> Our experimental project is supposed to last ~10 years and we do need
>> to ensure backward compatibility for reading the data files we will
>> accumulate during the experimental data collection and the production
>> of large samples of monte-carlo data on various academic computing
>> clusters.
>> My question is:
>> If, within some upcoming years, the Boost/Serialization migrates to
>> "fullfil the type requirements for a serializable object"
>> and, more, if we change boost::shared_ptr object into std::shared_ptr
>> in our data model, do you think it will be possible to ensure the
>> backward compatibility for our data storage ? I mean in a way as
>> simple as using class Boost versioning... or even having a storage
>> format completely unchanged !
>
> I would expect it to be either unchanged or use class versioning.

ok , so nothing worrying. that's sound good ! let's wait and see !

thanks.

frc
-- 
François Mauger
LPC Caen-CNRS/IN2P3-UCBN-ENSICAEN
Département de Physique -- Université de Caen Basse-Normandie