/** * @param dataSetName * @return * @throws BirtException */ private IResultMetaData getRealMetaData(DataSetHandle dataSetHandle) throws BirtException { IResultMetaData metaData = MetaDataPopulator.retrieveResultMetaData(dataSetHandle); if (metaData == null) metaData = getRuntimeMetaData(dataSetHandle); if (metaData != null && !(dataSetHandle instanceof ScriptDataSetHandle)) clearUnusedData(dataSetHandle, metaData); return metaData; }