IOUtil.writeInt( resultClassStream, 0 );
if ( resultClassStream != null ) IOUtil.writeInt( resultClassStream, 0 );
		public void doSave( OutputStream resultClassStream,				OutputStream dataSetDataStream, OutputStream groupInfoStream,				boolean isSubQuery ) throws DataException		{			try			{				IOUtil.writeInt( resultClassStream, 0 );				if ( dataSetDataStream != null )					IOUtil.writeInt( dataSetDataStream, 0 );				IOUtil.writeInt( groupInfoStream, 0 );			}			catch ( IOException e )			{				throw new DataException( ResourceConstants.RD_SAVE_ERROR,						e,						"Result Class" );			}		}