On May 3, 2010, at 3:12 PM, Borut Bolčina wrote:

There will be cayenne.xml (with node A) and
my-cayenne.xml (with node A and B) on the classpath. Is that why?

Yes.

I am not sure how to initialize.

#1 is created implicitly when you call DataContext.createDataContext(). That's the one returned from Configuration.getSharedConfiguration().

#2 you will have to create yourself and store somewhere. E.g. in a ServletContext attribute.

DefaultConfiguration conf = new DefaultConfiguration("my-cayenne.xml");
// store it for the app duration soemwhere
...

// later when you need a new context:
Configuration conf = .. // get it from ServletContext or from where you put it
return conf.getDomain().createDataContext();

Andrus

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