Hi Sabine, I'm really sorry, I just went on vacations when you sent this mail :(
Is this problem persisting? Did you reach a solution? Can I help you with something? Esteban On Jul 19, 2013, at 12:56 PM, Sabine Knöfel <sabine.knoe...@gmail.com> wrote: > Hi Esteban, > > thanks! > > I think the solution of Bernat will not be enough for me. > I added the class methods isVoyageRoot to the root objects (like trip, > country and so on). > > But I have instances which should never be persistent, e.g. the > country I mentioned. The Country has currencies and expense rates and > this is a lot of stuff...this should be only transient in the image. > > The transient country is referenced by persistent instances of trip. > (countrie does naturally not point to trips) > > Trip (persistant) -> Country (transient) > > If I try to save a trip, voyage at some point enters > >>rawReference: description: > and there, it looks whether anObject (a country) isNew: > isNew means the other object, the country has an _id (mongo id). > > The country does not have an id and for this reason, voyage tries to > make it persistent although its class has isVogageRoot false. > And than the system enters a point where it tries to make so many > objects persistent that the image does not respond anymore. > > So, my question is: is it possible to define > "In class trip, there is an inst var country -> voyage please save > only a symbol here" > and > "voyage, if loading a trip, for inst var country, do shting" > > Sure, I could save symbols within the trips country inst var all the time > and get the country it if needed, but it would be nicer if voyage coud > do that for me .-) > > Sabine > > > > > > On Fri, Jul 19, 2013 at 11:52 AM, EstebanLM [via Smalltalk] > <[hidden email]> wrote: > > > Hi Sabine, > > > > If Bernat help is not enough, I would like to have some more insight on > > your > > problem, so If you can put here a better description of your model and the > > problem you are having, I will have a look :) > > > > Esteban > > > > On Jul 19, 2013, at 10:42 AM, Bernat Romagosa <[hidden email]> wrote: > > > > Hi Sabine! > > > > If you want an object to be referenced by another, and not embedded in it, > > you need to give that object root entity. As a root, the object will have a > > collection of its own, and will be referenced by other objects by id. If > > the > > object is not root, it will be embedded inside the referring object as a > > property. > > > > So, to be safe, always set #isVoyageRoot to return true at class side of > > all > > objects you don't want to have embedded. In general, "big enough" objects > > who are referenced by different objects should be root. > > > > In my case, I had a centre which had users which had centres. Users also > > had > > projects, and projects also had users. Big mess, I know. Besides that, all > > users, centres and projects had profiles. My solution was to make centres, > > projects and users be roots, and let only the profiles be embedded. > > > > I hope this helped! > > > > Bernat. > > > > > > 2013/7/19 Sabine Knöfel <[hidden email]> > >> > >> Hi Esteban, > >> > >> yes, now the Rectangle Example works after doing the reset. > >> > >> But saving my model still leads to a non responding image because > >> Voyage is trying to write json for all model stuf deep deep deep and > >> circular. Perhaps same like: > >> http://forum.world.st/Voyage-Circular-references-td4691940.html#a4699436 > >> > >> I dont know anything about Magritte (yet) and I need a hint what to > >> define in my model so that it stops creating json at certain points > >> and creates only e.g. a Symbol. > >> > >> Example: My model instance of trip has a connection to an instance of > >> country. The country should not be written in json with all its > >> definitions. Voyage should only write e.g. #germany in the json and > >> later, when getting the instance back from the database, I want to > >> reassign the trip to the country. > >> > >> I already implemented this stuff when working witk Mongotalk the last > >> months and it worked fine. But my question yesterday: > >> > >> http://forum.world.st/MongoDB-open-close-in-production-singleton-or-not-td4699322.html > >> lead to my impression that I should use voyage. > >> > >> So, how can I define the "borders"? > >> > >> Sabine > >> > >> On Thu, Jul 18, 2013 at 7:45 PM, EstebanLM [via Smalltalk] > >> <[hidden email]> wrote: > >> > >> > Hi Sabine, > >> > > >> > Probably you do not missed anything. > >> > Probably I missed to update the voyage configuration :) > >> > > >> > can you try doing > >> > > >> > VOMongoRepository allInstancesDo: #reset. > >> > > >> > before trying again? > >> > > >> > Cheers, > >> > Esteban > >> > > >> > On Jul 18, 2013, at 6:31 PM, Sabine Knöfel <[hidden email]> wrote: > >> > >> > > >> >> I found this: > >> >> http://smallworks.eu/web/blog/2013-06-14-voyage-the-adventure > >> >> > >> >> Chapter "Enhancing storage" > >> >> But if I add the 3+1 methods to Rectangle, and save it again, the json > >> >> did > >> >> not change. > >> >> > >> >> Did I miss something? > >> >> > >> >> > >> >> > >> >> > >> >> -- > >> >> View this message in context: > >> >> http://forum.world.st/Voyage-Circular-references-tp4691940p4699436.html > >> >> Sent from the Pharo Smalltalk Users mailing list archive at Nabble.com. > >> >> > >> > > >> > > >> > > >> > > >> > ________________________________ > >> > If you reply to this email, your message will be added to the discussion > >> > below: > >> > http://forum.world.st/Voyage-Circular-references-tp4691940p4699443.html > >> > To unsubscribe from Voyage: Circular references, click here. > >> > NAML > >> > >> ________________________________ > >> View this message in context: Re: Voyage: Circular references > >> > >> Sent from the Pharo Smalltalk Users mailing list archive at Nabble.com. > > > > > > > > > > -- > > Bernat Romagosa. > > > > > > > > > > ________________________________ > > If you reply to this email, your message will be added to the discussion > > below: > > http://forum.world.st/Voyage-Circular-references-tp4691940p4699516.html > > To unsubscribe from Voyage: Circular references, click here. > > NAML > > View this message in context: Re: Voyage: Circular references > Sent from the Pharo Smalltalk Users mailing list archive at Nabble.com.
