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
* @throws DataException
	 */
	private void validateDimensionMembers( DiskSortedStack sortedDimMembers ) throws IOException, DataException
	{
		Object obj = sortedDimMembers.pop( );
		Member lastMember = null;
		while( obj != null )
		{
			Member currentMember = (Member)obj;
			if( lastMember != null && lastMember.equals( currentMember ) )
			{
				throw new DataException( ResourceConstants.DETAIL_MEMBER_HAVE_MULTI_PARENT,
						lastMember.getKeyValues()[0] );
			}
			lastMember = currentMember;
			obj = sortedDimMembers.pop( );
		}
	}
	
	/**
	 * 
	 * @param dimensionMember
	 * @param keyDataType
	 * @param attributesDataType
	 * @throws IOException
	 * @throws DataException 
	 */
	private void writeDimensionRow( DimensionRow dimensionMember, int[][] keyDataType, int[][] attributesDataType )
			throws IOException, DataException
	{