Bug 191637 Empty cube causes error
Comment removed as requested by the submitter - 2007-06-08 droy
data/org.eclipse.birt.data/src/org/eclipse/birt/data/engine/olap/data/impl/dimension/Hierarchy.java
}
	
	/*
	 * (non-Javadoc)
	 * @see org.eclipse.birt.data.olap.data.api.IHierarchy#getLevels()
	 */
	public ILevel[] getLevels( )
	{
		return levels;
	}
	/*
	 * (non-Javadoc)
	 * @see org.eclipse.birt.data.olap.data.api.IHierarchy#getName()
	 */
	public String getName( )
	{
		return name;
	}
	
	/*
	 * (non-Javadoc)
	 * @see org.eclipse.birt.data.olap.data.api.IHierarchy#close()
	 */
	public void close( ) throws IOException
	{
		for ( int i = 0; i < levels.length; i++ )
		{
			levels[i].close( );
		}
		if ( documentObj != null )