/** * ends a file once all blocks have been written. closes the file. * * @param extraMetaData the extra meta data to write in the footer * @throws IOException */ public void end(Map<String, String> extraMetaData) throws IOException { state = state.end(); if (DEBUG) LOG.debug(out.getPos() + ": end"); ParquetMetadata footer = new ParquetMetadata(new FileMetaData(schema, extraMetaData, Version.FULL_VERSION), blocks); serializeFooter(footer, out); out.close(); }