/* * Copyright (c) 2000, 2001, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation.  Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package javax.sql; import java.sql.*; /** * The interface that a <code>RowSet</code> object implements in order to * present itself to a <code>RowSetReader</code> or <code>RowSetWriter</code> * object. The <code>RowSetInternal</code> interface contains * methods that let the reader or writer access and modify the internal * state of the rowset. * * @since 1.4 */ public interface RowSetInternal {   /**   * Retrieves the parameters that have been set for this   * <code>RowSet</code> object's command.   *   * @return an array of the current parameter values for this <code>RowSet</code>   *         object's command   * @exception SQLException if a database access error occurs   */  Object[] getParams() throws SQLException;   /**   * Retrieves the <code>Connection</code> object that was passed to this   * <code>RowSet</code> object.   *   * @return the <code>Connection</code> object passed to the rowset   *      or <code>null</code> if none was passed   * @exception SQLException if a database access error occurs   */  Connection getConnection() throws SQLException;   /**   * Sets the given <code>RowSetMetaData</code> object as the   * <code>RowSetMetaData</code> object for this <code>RowSet</code>   * object. The <code>RowSetReader</code> object associated with the rowset   * will use <code>RowSetMetaData</code> methods to set the values giving   * information about the rowset's columns.   *   * @param md the <code>RowSetMetaData</code> object that will be set with   *        information about the rowset's columns   *   * @exception SQLException if a database access error occurs   */  void setMetaData(RowSetMetaData md) throws SQLException;   /**   * Retrieves a <code>ResultSet</code> object containing the original   * value of this <code>RowSet</code> object.   * <P>   * The cursor is positioned before the first row in the result set.   * Only rows contained in the result set returned by the method   * <code>getOriginal</code> are said to have an original value.   *   * @return the original value of the rowset   * @exception SQLException if a database access error occurs   */  public ResultSet getOriginal() throws SQLException;   /**   * Retrieves a <code>ResultSet</code> object containing the original value   * of the current row only.  If the current row has no original value,   * an empty result set is returned. If there is no current row,   * an exception is thrown.   *   * @return the original value of the current row as a <code>ResultSet</code>   *          object   * @exception SQLException if a database access error occurs or this method   *           is called while the cursor is on the insert row, before the   *           first row, or after the last row   */  public ResultSet getOriginalRow() throws SQLException; }