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https://issues.apache.org/jira/browse/CAY-2981?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrus Adamchik closed CAY-2981.
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Resolution: Fixed
> Remove DataNode from XML mapping
> --------------------------------
>
> Key: CAY-2981
> URL: https://issues.apache.org/jira/browse/CAY-2981
> Project: Cayenne
> Issue Type: Task
> Reporter: Andrus Adamchik
> Assignee: Andrus Adamchik
> Priority: Major
> Fix For: 5.0-M3
>
>
> Remove DataNode from the XML. A DataNode with an explicit connection info
> coming from the modeler is somewhat useful (using GUI to connect to DB),
> until you have more than one environment. So it is not a production feature.
> And if you go as far as using custom DataSourceFactory, you might as well set
> it in the code anyways.
> So we are going to stop supporting DataNodes in the XML mapping, and will
> instead provide a way to create them in Cayenne runtime explicitly.
> {noformat}
> // 1. Simple: pass a DataSource; DataNodes with default settings will be
> created implicitly
> CayenneRuntime.of()
> .addDataNode(ds1, "map1", "map2") // linked to maps
> .defaultDataNode(ds2); // used by all unlinked maps
> // 2. Advanced: use DataNodeDescriptor to configure nodes
> DataNodeDescriptor dn1 = DataNodeDescriptor.of("dn1")
> .dataSource(ds1)
> .createSchemaIfNeeded()
> .build();
> CayenneRuntime.of()
> .addDataNode(dn1, "map3", "map4") // linked to maps
> .defaultDataNode(dn2); // used by all unlinked maps
> {noformat}
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