On 6/9/05, Simon Gash <[EMAIL PROTECTED]> wrote: > I don't think that's right either. It's the wrong way round, its up to > the developer to make sure the decision about what is 'best' as a type > of persistence manager. There is no way any of us could know already how > to measure what is 'best' for any other developers particular situation. > > Sorry to be so pedantic but flexibility of storage is a huge strength of > the jackrabbit software (and of the JSR 170). Getting the developer to > make the right decision for their own particular problems is the trick > bit. > me too sorry to be so pedantic ;) the role of the PM in jackrabbit (at least as i originally designed it) is comparable to the role of that layer in a rdbms that reads and writes raw table/record data to/from the disk (e.g. tablespace files in oracle). you wouldn't expect oracle to store the raw table/record data in ORM instead of its tablespace files i guess. btw, edgar's PM FAQ quite nicely explains the role of the PM in jackrabbit.
cheers stefan > Simon > > -----Original Message----- > From: Serge Huber [mailto:[EMAIL PROTECTED] > Sent: 09 June 2005 11:39 > To: [email protected] > Subject: Re: [Jackrabbit Wiki] Update of "PersistenceManagerFAQ" by > edgarpoce > > > If I may, I think just changing the phrasing to something like : > > Persistence managers that store the item states in a complex schema are > not the best option for most users. > > Regards, > Serge Huber. > > ps : my schema is not that complex :) And I will probably in later > version adopt something similar to Edgar's JDBC schema (with one table > per property type). > > > Stefan Guggisberg wrote: > > >hi edgar > >first of all thanks for this very informative and usefull FAQ. > >i only have one comment: > > > > > > > >>=== What about ORM-backed PMs? === > >>Persistence managers that store the item states in a complex schema > >>are not the right way to go. Keep it simple, e.g. the > >>objectPersistenceManager stores the item states as a raw stream of > bytes. > >> > >> > >> > >i remember having said something like that in a previous thread. this > >is my very personal view and allthough i still think it is correct i'd > >rather like to have it understood as a recommendation, not an absolute > >statement. what do you think? > > > >thanks > >stefan > > > > > > > > > Come visit us at: > > Internet World 2005. June 14 - 16, Earls Court, Stand # A60 > > Government Computing Expo. June 21 & 22, Earls Court, Stand # 804 > > SOCITM Annual Event. October 16 - 18 Brighton Hotel, Stand # 28 > GOSS - Ranked 4th in the Deloitte Technology Fast 50 Awards 2004 and 88th in > the Deloitte Technology Fast 500 EMEA. > > This email contains proprietary information, some or all of which may be > legally privileged. It is for the intended recipient only. If an addressing > or transmission error has misdirected this email, please notify the author by > replying to this email. If you are not the intended recipient you may not > use, disclose, distribute, copy, print or rely on this email. > > > > Email transmission cannot be guaranteed to be secure or error free, as > information may be intercepted, corrupted, lost, destroyed, arrive late or > incomplete or contain viruses. This email and any files attached to it have > been checked with virus detection software before transmission. You should > nonetheless carry out your own virus check before opening any attachment. > GOSS Interactive Ltd accepts no liability for any loss or damage that may be > caused by software viruses. > > >
