I'd agree wrt/ JDO/JPA. We came into our first app trying to use the JDO/JPA. In addition to being clunky, I also noticed that the Data Nucleus guys were not all that thrilled with Google's implementation of it. If you google around you will see what I am talking about.
I tried Objectify and Twig, liked both, but liked the Objectify support and community they have built around it. I think you'd be better off with one of those. -TF On Dec 4, 12:30 pm, Jeff Schwartz <jefftschwa...@gmail.com> wrote: > JDO and JPA are not standards when it comes to the Data Store. You need to > rid yourself of thinking in terms of SQL. Repeat after me 100 times: The > Data Store is NOT SQL... The Data Store is NOT SQL. LOL. > > Ok, with that confusion out of the way, Google doesn't care 1 iota if you > use their low level native api, jdo/jpa or a 3rd party library so why should > you chose jdo/jpa which is so far removed from the data store model > conceptually that is makes no sense? > > jdo/jpa are sql persistence technologies not suitable to the hashmap like > qualities of the datastore. The further you remove yourself from sql > solutions the better off you will be. > > By the way, using Objectify you can disable the datanucleus builder in > eclipse and thats is a good thing as per Martha Stewart ;) > > Jeff > > > > > > > > > > On Sat, Dec 4, 2010 at 12:12 PM, har_shan <harsha...@gmail.com> wrote: > > Thanks all for sharing your opinions/experiences. > > > I read a lot of positive reviews about these third party libraries, in > > particular, Objectify, but we feel kinda safe to be based on a > > standard. > > > But are there any major show stoppers or something that makes to > > struggle a lot to accomplish sth > > while using JPA in particular, which made you to move to third party > > libraries? > > (noted the point about detach() method mentioned earlier, thanks) > > > Thanks again for sharing, > > Hari > > > On Dec 4, 9:38 pm, Jeff Schwartz <jefftschwa...@gmail.com> wrote: > > > I've used Objectify in 2 applications now and it has been a very positive > > > experience, living up to my expectations of what a library of that nature > > > should do. What's more, it keeps getting better and better. I give it 2 > > > thumbs up and a snap! > > > > Jeff > > > > On Sat, Dec 4, 2010 at 11:18 AM, Dave Watson <davidgrillwat...@gmail.com > > >wrote: > > > > > Agreed 100%. It's a great library, very simple and easy to use. It's > > > > similar to the Python API, but in my opinion even better because it's > > > > obvious what's going on, whereas the Python API has "magic" like auto- > > > > fetching of ReferenceProperties, which can cause really terrible > > > > performance if you don't realize what it's doing. > > > > > On Dec 3, 12:51 pm, Jeff Schwartz <jefftschwa...@gmail.com> wrote: > > > > > Neither. Go with Objectify. > > > > > > Jeff > > > > > > On Fri, Dec 3, 2010 at 12:18 PM, har_shan <harsha...@gmail.com> > > wrote: > > > > > > yes, this is there all over internet and like any other appengine > > > > > > newbie am in same dilemma but now i want to hear recommendation > > from > > > > > > those who have used/tried both and hence their experiences > > > > > > > also i know that Google doesn't play favorites and > > > > > > > Max Ross has said in his blog... > > > > > > > I'll give you the same answer I give whenever I'm asked this > > > > > > question: > > > > > > If you're not already familiar with JDO or JPA, use JDO because > > > > > > our documentation is better. If you're more familiar with JDO than > > > > > > JPA, use JDO. If you're more familiar with JPA than JDO, use JPA. > > If > > > > > > you're equally familiar with both then you probably have a > > preference, > > > > > > so use the one you prefer. > > > > > > > Personally i have worked in a pet project using JPA + Hibernate, so > > am > > > > > > inclined towards JPA as am bit familiar. > > > > > > > BUT am starting a new app in appengine so want to be sure that am > > in > > > > > > right path. I know that in appengine some features are missing in > > impl > > > > > > from both JPA/JDO, due to datastore constraints, but i do not want > > to > > > > > > face a situation in future when i hear that life would have been > > easy > > > > > > when i have chosen JDO for AppEngine! > > > > > > > Am also ready to spend time learning JDO if its really worth it. So > > > > > > guys, please share your experiences! As always thank much in > > advance.. > > > > > > Ask me more if needed.. > > > > > > > Hari > > > > > > > -- > > > > > > You received this message because you are subscribed to the Google > > > > Groups > > > > > > "Google App Engine" group. > > > > > > To post to this group, send email to > > google-appengine@googlegroups.com > > > > . > > > > > > To unsubscribe from this group, send email to > > > > > > google-appengine+unsubscr...@googlegroups.com<google-appengine%2Bunsubscrib > > > > > > e...@googlegroups.com> > > <google-appengine%2bunsubscr...@googlegroups.com<google-appengine%252Bunsub > > scr...@googlegroups.com> > > ><google-appengine%2Bunsubscrib > > > > e...@googlegroups.com> > > > > > > . > > > > > > For more options, visit this group at > > > > > >http://groups.google.com/group/google-appengine?hl=en. > > > > > > -- > > > > > *Jeff Schwartz* > > > > > -- > > > > You received this message because you are subscribed to the Google > > Groups > > > > "Google App Engine" group. > > > > To post to this group, send email to google-appengine@googlegroups.com > > . > > > > To unsubscribe from this group, send email to > > > > google-appengine+unsubscr...@googlegroups.com<google-appengine%2Bunsubscrib > > > > e...@googlegroups.com> > > <google-appengine%2bunsubscr...@googlegroups.com<google-appengine%252Bunsub > > scr...@googlegroups.com> > > > > > . > > > > For more options, visit this group at > > > >http://groups.google.com/group/google-appengine?hl=en. > > > > -- > > > *Jeff Schwartz* > > > -- > > You received this message because you are subscribed to the Google Groups > > "Google App Engine" group. > > To post to this group, send email to google-appeng...@googlegroups.com. > > To unsubscribe from this group, send email to > > google-appengine+unsubscr...@googlegroups.com<google-appengine%2Bunsubscrib > > e...@googlegroups.com> > > . > > For more options, visit this group at > >http://groups.google.com/group/google-appengine?hl=en. > > -- > *Jeff Schwartz* -- You received this message because you are subscribed to the Google Groups "Google App Engine" group. 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