Hi Giulio, In 4.2, you get the ObjectContext from the Cayenne Runtime:
https://cayenne.apache.org/docs/4.2/getting-started-guide/#getting-started-with-objectcontext mrg On Wed, Oct 1, 2025 at 5:23 AM [email protected] < [email protected]> wrote: > Hello, > I have been able to fix almost all the warnings and errors. > I have to points that I am not able to fix, though: > - I was still using DataContext (instead of ObjectContext); is this > still a useful class? Otherwise, how do I create a DataContext, as > `DataContext.createDataContext();` is not defined > - how do I replace the use of ServletUtil.initializeSharedConfiguration? > > Thanks, > Giulio Cesare > > On Tue, Sep 30, 2025 at 3:50 PM [email protected] > <[email protected]> wrote: > > > > Thanks Andrus! > > > > I'll report on any progress with my upgrade. > > > > Giulio Cesare > > > > On Tue, Sep 30, 2025 at 2:26 PM Andrus Adamchik <[email protected]> > wrote: > > > > > > Hi Giulio, > > > > > > SelectQuery is replaced with ObjectSelect. But in your case (a query > modeled in the DataMap), you would actually use something else - a > MappedSelect query per > https://cayenne.apache.org/docs/4.2/cayenne-guide/#mappedselect-and-mappedexec > > > > > > MappedSelect.query("attachment", Attachment.class) > > > .param("reference", aReference) > > > .param("user", anUser) > > > .select(context); > > > > > > Thanks, > > > Andrus > > > > > > > > > > On Sep 30, 2025, at 3:15 AM, [email protected] wrote: > > > > > > > > Hello everybody, > > > > > > > > even if this will force me to admit how old I am, I still have some > > > > Cayenne 3.0.2 code happily running in production with no issues. > > > > > > > > Lately I was trying to upgrade the application from a WAR (running in > > > > Tomcat) to a standalone application exposing the servlets via Jetty, > > > > in order to make the application easier to deploy in a docker > > > > container. > > > > > > > > After some struggle to update the model, I am now facing a LOT of > > > > deprecation warnings like this: > > > >> [deprecation] SelectQuery in org.apache.cayenne.query has been > deprecated > > > > > > > > The code I have looks like this: > > > > ------------------- > > > > prototypeQuery = > > > > > (SelectQuery)dataContext.getEntityResolver().lookupQuery("attachment"); > > > > > > > > parameters = new HashMap(); > > > > parameters.put("reference", aReference); > > > > parameters.put("user", anUser); > > > > query = prototypeQuery.queryWithParameters(parameters); > > > > > > > > result = (List<Attachment>)dataContext.performQuery(query); > > > > ------------------- > > > > > > > > Unfortunately I never had the opportunity to use any newer version of > > > > Cayenne, so I haven't followed along with all the changes that it has > > > > gone through. > > > > > > > > Is there anyone willing to suggest me what the above code snippet > > > > would look like with the new version of Cayenne? > > > > > > > > Thanks, > > > > > > > > Giulio Cesare > > > >
