reportbuilder/java/org/libreoffice/report/DataSource.java

   1 /*
   2  * This file is part of the LibreOffice project.
   3  *
   4  * This Source Code Form is subject to the terms of the Mozilla Public
   5  * License, v. 2.0. If a copy of the MPL was not distributed with this
   6  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   7  *
   8  * This file incorporates work covered by the following license notice:
   9  *
  10  *   Licensed to the Apache Software Foundation (ASF) under one or more
  11  *   contributor license agreements. See the NOTICE file distributed
  12  *   with this work for additional information regarding copyright
  13  *   ownership. The ASF licenses this file to you under the Apache
  14  *   License, Version 2.0 (the "License"); you may not use this file
  15  *   except in compliance with the License. You may obtain a copy of
  16  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  17  */
  18 package org.libreoffice.report;
  19
  20 /**
  21  * This feeds data into the reporting engine, in case the data has been provided
  22  * by the caller. The methods are a mix of TableModel methods and methods borrowed
  23  * from the java.sql.ResultSet interface.
  24  *
  25  * The column and row index starts at 1 (as it is done in JDBC).
  26  *
  27  */
  28 public interface DataSource extends DataRow
  29 {
  30
  31     int getRowCount() throws DataSourceException;
  32
  33     boolean absolute(int row) throws DataSourceException;
  34
  35     boolean next() throws DataSourceException;
  36
  37     void close() throws DataSourceException;
  38 }