Re: [Boost-users] Boost serialization: is there a way to performselective read

From: Robert Ramey (ramey_at_[hidden])
Date: 2008-07-16 04:15:24

gchen wrote:
> ari vol wrote:
>> Hey,
>>
>> I would like to know whether there is a way to preform selective read
>> using Boost serialization
>> <http://www.boost.org/doc/libs/1_35_0/libs/serialization/doc/index.html>,
>> thus reading serialized instance with its id/key.
>>
>> The implementation that i know is saving instances to a file and then
>> loading them all according to the saving order. Is there a way to
>> read only one selected instance from the file.
>>

You'd have to role your own to do this.  It wouldn't be THAT hard
if you derived fom xml_iarchive.  But it wouldn't trivial either.

> How about serializing objects separately? I mean instead of saving a
> object and its children objects into a big file, simply saving them into 
> different files.

one file can contain concatonated archives.

Robert Ramey