Bug 133776 Oda DesignerState support on OdaDataSource
OdaDataSet supported Oda DesignerState. This feature is also need in OdaDataSource. Please add OdaDesignerState property to OdaDataSource element in ROM. Make the related changes.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/OdaDataSetHandle.java
*            the module
	 * @param element
	 *            the model representation of the element
	 */
	public OdaDataSetHandle( Module module, DesignElement element )
	{
		super( module, element );
	}
	/**
	 * Returns the private driver design state.
	 * 
	 * @return the private driver design state
	 * @deprecated
	 */
	public String getPrivateDriverDesignState( )
	{
		return null;
	}
	/**
	 * Returns the script for query.
	 * 
	 * @deprecated to be removed.
	 * @return the script for query .
	 */
	public String getQueryScript( )
	{
		return null;
	}
	/**
	 * Returns the query text.