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## org.apache.cayenne.configuration.server
Class DefaultDataSourceFactoryLoader

    java.lang.Object
      org.apache.cayenne.configuration.server.DefaultDataSourceFactoryLoader

All Implemented Interfaces:
  DataSourceFactoryLoader

    public class DefaultDataSourceFactoryLoader

extends Object
implements DataSourceFactoryLoader

A `DataSourceFactoryLoader` that loads factories explicitly configured in the `DataNodeDescriptor`. If the factory class is not explicitly configured, and the descriptor has a configuration resource attached to it, `XMLPoolingDataSourceFactory` is returned.

If the environment contains properties cayenne.jdbc.url.domain_name.node_name (or cayenne.jdbc.url) and cayenne.jdbc.driver.domain_name.node_name (or cayenne.jdbc.driver), any DataSourceFactory configured in the project is ignored, and the `PropertyDataSourceFactory` is returned.

Since:
  3.1

Field Summary
`protected AdhocObjectFactory` | `objectFactory`

Constructor Summary
`DefaultDataSourceFactoryLoader()`

Method Summary
`DataSourceFactory` | `getDataSourceFactory(DataNodeDescriptor nodeDescriptor)` Returns a DataSourceFactory for a given `DataNodeDescriptor` configuration object.
`protected String` | `getProperty(String key)` Returns a property value for a given full key.
`protected boolean` | `shouldConfigureDataSourceFromProperties(DataNodeDescriptor nodeDescriptor)`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

### objectFactory

    protected AdhocObjectFactory objectFactory

Constructor Detail

### DefaultDataSourceFactoryLoader

    public DefaultDataSourceFactoryLoader()

Method Detail

### getDataSourceFactory

    public DataSourceFactory getDataSourceFactory(DataNodeDescriptor nodeDescriptor)

  Description copied from interface: `DataSourceFactoryLoader`
  Returns a DataSourceFactory for a given `DataNodeDescriptor` configuration object. The factory should be specified in the node descriptor explicitly by the user. Cayenne will inject dependencies in all user-provided factories.

  Specified by:
    `getDataSourceFactory` in interface `DataSourceFactoryLoader`

### shouldConfigureDataSourceFromProperties

    protected boolean shouldConfigureDataSourceFromProperties(DataNodeDescriptor nodeDescriptor)

### getProperty

    protected String getProperty(String key)

  Returns a property value for a given full key. This implementation returns a System property. Subclasses may lookup properties elsewhere. E.g. overriding this method can help with unit testing this class.

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