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From Andrus Adamchik <>
Subject Re: Old web application needs a second database
Date Mon, 03 May 2010 12:19:52 GMT

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

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


> I am not sure how to initialize.

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

#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();

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