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Date: Fri, 2 May 2008 17:21:39 -0700 (PDT)
From: Brian Nelson <briannelson22@yahoo.com>
Subject: Re: Custom configuration class ignored in 3.0 snapshot
To: user@cayenne.apache.org
In-Reply-To: <80225B65-134A-4C59-998F-7302E08CBF5A@objectstyle.org>
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Message-ID: <510358.67972.qm@web56907.mail.re3.yahoo.com>

Andrus,

I'm not sure exactly how you want the code sample. If you need me to provide a self contained app
I can do that. For now I'll just copy the code from my app so you can take a look at it. I have a
static method that configures my custom DataSourceFactory. The call to DbUtils.openDb succeeds,
but the getDataSourceFactory method in CompanyConfiguration is never called.

public class DbUtils {
	private static DataContext globalContext;
	private static DataContext estimateContext;
	private static DataContext roomContext;
	private static DataContext assemblyContext;
	private static DataContext partsContext;

        public static void openDb(String pathToDb) throws Exception {
		try {
			CompanyDataSourceFactory.setDbPath(pathToDb);
			Configuration.initializeSharedConfiguration(CompanyConfiguration.class);
			Configuration config = Configuration.getSharedConfiguration();
			DataDomain domain = config.getDomain();
			
			globalContext = DataContext.createDataContext(domain.getName());
			estimateContext = DataContext.createDataContext(domain.getName());
			roomContext = DataContext.createDataContext(domain.getName());
			assemblyContext = DataContext.createDataContext(domain.getName());
			partsContext = DataContext.createDataContext(domain.getName());
		} catch (Exception e) {
			throw new Exception("Unable to initialize database!", e);
		}
	}
}

public class CompanyConfiguration extends DefaultConfiguration {
	
	private static CompanyDataSourceFactory factory = new CompanyDataSourceFactory();
	
	@Override
	public DataSourceFactory getDataSourceFactory() {
		return factory;
	}

}

public class CompanyDataSourceFactory implements DataSourceFactory {

	private static DataSource ds = null;
	private static String dbPath = "Companies/db";
	
	public static void setDbPath(String val) {
		dbPath = val;
	}
	
	@Override
	public DataSource getDataSource(String arg0) throws Exception {
		if(dbPath.startsWith("server")) {
			// server:host
			ClientDataSource40 tmpDS = new ClientDataSource40();
			String[] sArray = dbPath.split(":");
			tmpDS.setServerName(sArray[1]);
			tmpDS.setDatabaseName("db");
			tmpDS.setUser("user");
			tmpDS.setPassword("pass");
			ds = tmpDS;
		} else {
			EmbeddedDataSource40 tmpDS = new EmbeddedDataSource40();
			tmpDS.setDatabaseName(dbPath);
			tmpDS.setUser("user");
			tmpDS.setPassword("db");
			ds = tmpDS;
		}
		
		
	
		return ds;
	}

	@Override
	public void initializeWithParentConfiguration(Configuration arg0) {		
	}

}

Hopefully that's enough. If not let me know what I should provide.

Thanks for your help!

Brian

--- Andrus Adamchik <andrus@objectstyle.org> wrote:

> Strange. That should still work the same. The only change to  
> Configuration since M3 was related to the DataSourceFactory handling  
> (CAY-785)...  Do you have a code example that demonstrates the problem?
> 
> Thanks,
> Andrus
> 
> 
> On May 1, 2008, at 10:29 PM, Brian Nelson wrote:
> > I've been using a custom subclass of DefaultConfiguration to  
> > customize my database connection.
> > This works great with 3.0M3. However, today I upgraded to the  
> > snapshot build and it seems to be
> > ignoring the custom configuration class I pass into the
> > Configuration.initializeSharedConfiguration method. Has the way  
> > custom configurations work
> > changed?
> >
> > Thanks in advance!
> >
> > Brian
> >
> >
> 
>