Bug 154000 Enrichment of ODA consumer helper
Provide additional services in the oda.consumer component to include more common behavior that an ODA consumer application would need. For example, to handle different capabilities and behavior of individual ODA drivers.
data/org.eclipse.birt.data/src/org/eclipse/birt/data/engine/odaconsumer/DriverManager.java
Driver driver = getDriver( dataSourceElementId );
		assert( driver != null );
        driver.setLogConfiguration();
        getLogger().exiting( sm_className, methodName );
	}
		
	private Driver getDriver( String dataSourceElementId )
	{
		assert( dataSourceElementId != null && dataSourceElementId.length() != 0 );
		
		Driver driver = (Driver) getLoadedDrivers().get( dataSourceElementId );
		if( driver == null )
		{
			driver = new Driver( dataSourceElementId );
			getLoadedDrivers().put( dataSourceElementId, driver );
		}
		
		return driver;
	}
	
	Hashtable getLoadedDrivers()
	{
		if( m_loadedDrivers == null )
			m_loadedDrivers = new Hashtable();
		
		return m_loadedDrivers;
	}
}