Dynamic FetchPlans are now among my new favorite things (except now, I need to rewrite a lot of code to remove my fake entity hacks).
I will definitely try to put together a sample (and blog posting, and wiki entry on Geronimo site). Jay Pinaki Poddar wrote: > Hi, > I like what you are doing and believe that it is a predominant use case for > multi-tier for OpenJPA/JPA based web applications. > > Please consider writing up a small, self-contained sample (preferably > without the application server scaffolding) to demonstrate your solution to > integrate JAXB marshaling with constrained serialization support available > via dynamic fetch plans of OpenJPA. > > Such samples can be made available with OpenJPA samples distribution. This > will allow other community members to benefit from your contributions. Kevin > had offered a project in Google Summer of Code [1] for similar purpose of > enriching the corpus of samples that ship with OpenJPA. You can touch base > with him to explore further (also there is $$$ for a GSoC project:). > > [1] http://wiki.apache.org/general/SummerOfCode2009#openjpa-project > > > Thanks for the hint. > > The setting you suggested caused deployment errors for me (I am > deploying my app to Geronimo 2.1.3 which uses OpenJPA 1.0.3). > > But, it looks like this setting will work for me: > > <property name="openjpa.DetachState" > value="fetch-groups(AccessUnloaded=true)" /> > > The only strange thing is that my unloaded booleans show up in XML as > being false (rather than not showing up at all). So I'll just have to > make sure I include them in my fetch group. > > Thanks for all your help, > > Jay > > Pinaki Poddar wrote: >>> If I set the DetachState to something else, would I be able to get it >>> to simply return blanks/nulls for the unloaded fields? >> Try : >> <property name="openjpa.DetachState" >> value="fetch-groups(DetachStateField=false)"/> >> >> >> >> ----- >> Pinaki Poddar http://ppoddar.blogspot.com/ >> >> http://www.linkedin.com/in/pinakipoddar >> OpenJPA PMC Member/Committer >> JPA Expert Group Member > > > > > ----- > Pinaki Poddar http://ppoddar.blogspot.com/ > > http://www.linkedin.com/in/pinakipoddar > OpenJPA PMC Member/Committer > JPA Expert Group Member
