Bug 214196 [Automation][Compatibility]Exception occurs when preview a old crosstab with measure sorting
data/org.eclipse.birt.data/src/org/eclipse/birt/data/engine/impl/DataEngineImpl.java
private static void closeDataSource( DataSourceRuntime ds )
			throws DataException
	{
		assert ds != null;
		if ( ds.isOpen( ) )
		{
			ds.beforeClose( );
			ds.closeOdiDataSource( );
			ds.afterClose( );
		}
	}
/**
	 * Gets the shared Rhino scope used by this data engine
	 *//*
	public Scriptable getSharedScope( )
	{
		return this.session.getSharedScope( );
	}*/
	/**
	 * Get the DataEngineSession instance bound to this DataEngineImpl.
	 * 
	 * @return
	 */
	public DataEngineSession getSession( )
	{
		return session;
	}
	
	/*
	 * (non-Javadoc)