CayenneContext is used for three-tier Cayenne (ROP) [1]. This is a very interesting and major feature of Cayenne. No others currently.. I've thought of GWTCayenneContext for GWT client side, but this is quite different concept
[1] http://cayenne.apache.org/doc30/remote-object-persistence-introduction.html 2010/4/6 <mgarg...@escholar.com> > Out of mostly curiosity... What could the other contexts possibly be? I > see BaseContext, which is there for specific implementations to inherit > from, and CayenneContext, which I don't really understand. Would like an > XMLContext or BinaryFileContext be examples of contexts in the future? > > -Mike > > > > From: > Michael Gentry <mgen...@masslight.net> > To: > user@cayenne.apache.org > Date: > 04/05/2010 05:02 PM > Subject: > Re: jdbc connection > > > > I don't know if this will always be the case, but 3.0 (in > WebApplicationContextFilter and ServletUtil) creates a DataContext: > > DataContext ctxt = (DataContext) > session.getAttribute(DATA_CONTEXT_KEY); > > if (ctxt == null) { > ctxt = DataContext.createDataContext(); > session.setAttribute(ServletUtil.DATA_CONTEXT_KEY, ctxt); > } > > return ctxt; > > Maybe in 3.1 or greater this will change, but currently it should be > safe to cast to a DataContext. > > mrg > > > On Mon, Apr 5, 2010 at 4:49 PM, <mgarg...@escholar.com> wrote: > > Thanks guys. Will it always be safe to cast > > BaseContext.getThreadObjectContext() to DataContext? > > > > -Mike > > > > > > > > > > From: > > Michael Gentry <mgen...@masslight.net> > > To: > > user@cayenne.apache.org > > Date: > > 04/05/2010 04:46 PM > > Subject: > > Re: jdbc connection > > > > > > > > > > dataContext.getParentDataDomain().getNode("foo").getDataSource().getConnection() > > returns the Connection, I think. Replace "foo" with the name of your > > DataNode. > > > > mrg > > > > On Mon, Apr 5, 2010 at 4:26 PM, <mgarg...@escholar.com> wrote: > >> What's the best way to get a direct handle to a jdbc connection in your > >> underlying pool. It looked like getting it straight from DataNode was > > the > >> way to go, but then how do I get to my DataNode? :) Thanks. > >> > >> -Mike > >> > > > > > > > > > -- Andrey
