* object within this <code>CachedRowSet</code> is in auto-commit mode.     */    public void rollback() throws SQLException;     /**     * Each <code>CachedRowSet</code> object's <code>SyncProvider</code> contains     * a <code>Connection</code> object from the original <code>ResultSet</code>     * or JDBC properties passed to it.     * <p>     * Undoes all changes made in the current transaction back to the last     * <code>Savepoint</code> transaction marker. This method should be used only     * when auto-commit mode has been disabled.     *     * @param s A <code>Savepoint</code> transaction marker     * @throws SQLException if a database access error occurs or this Connection     * object within this <code>CachedRowSet</code> is in auto-commit mode.     */    public void rollback(Savepoint s) throws SQLException;     /**     * Causes the <code>CachedRowSet</code> object's <code>SyncProvider</code>     * to commit the changes when <code>acceptChanges()</code> is called. If     * set to false, the changes will <b>not</b> be committed until one of the     * <code>CachedRowSet</code> interface transaction methods is called.     *     * @deprecated Because this field is final (it is part of an interface),     *  its value cannot be changed.     * @see #commit     * @see #rollback     */    @Deprecated    public static final boolean COMMIT_ON_ACCEPT_CHANGES = true;     /**     * Notifies registered listeners that a RowSet object in the given RowSetEvent     * object has populated a number of additional rows. The <code>numRows</code> parameter     * ensures that this event will only be fired every <code>numRow</code>.     * <p>     * The source of the event can be retrieved with the method event.getSource.     *     * @param event a <code>RowSetEvent</code> object that contains the     *     <code>RowSet</code> object that is the source of the events     * @param numRows when populating, the number of rows interval on which the     *     <code>CachedRowSet</code> populated should fire; the default value     *     is zero; cannot be less than <code>fetchSize</code> or zero     */    public void rowSetPopulated(RowSetEvent event, int numRows) throws SQLException;     /**     * Populates this <code>CachedRowSet</code> object with data from     * the given <code>ResultSet</code> object. While related to the <code>populate(ResultSet)</code>     * method, an additional parameter is provided to allow starting position within     * the <code>ResultSet</code> from where to populate the CachedRowSet     * instance.     * <P>     * This method can be used as an alternative to the <code>execute</code> method when an     * application has a connection to an open <code>ResultSet</code> object.     * Using the method <code>populate</code> can be more efficient than using     * the version of the <code>execute</code> method that takes no parameters     * because it does not open a new connection and re-execute this     * <code>CachedRowSet</code> object's command. Using the <code>populate</code>     *  method is more a matter of convenience when compared to using the version     * of <code>execute</code> that takes a <code>ResultSet</code> object.     *     * @param startRow the position in the <code>ResultSet</code> from where to start     *                populating the records in this <code>CachedRowSet</code>     * @param rs the <code>ResultSet</code> object containing the data     * to be read into this <code>CachedRowSet</code> object     * @throws SQLException if a null <code>ResultSet</code> object is supplied     * or this <code>CachedRowSet</code> object cannot     * retrieve the associated <code>ResultSetMetaData</code> object     * @see #execute     * @see #populate(ResultSet)     * @see java.sql.ResultSet     * @see java.sql.ResultSetMetaData    */    public void populate(ResultSet rs, int startRow) throws SQLException;     /**     * Sets the <code>CachedRowSet</code> object's page-size. A <code>CachedRowSet</code>     * may be configured to populate itself in page-size sized batches of rows. When     * either <code>populate()</code> or <code>execute()</code> are called, the     * <code>CachedRowSet</code> fetches an additional page according to the     * original SQL query used to populate the RowSet.     *     * @param size the page-size of the <code>CachedRowSet</code>     * @throws SQLException if an error occurs setting the <code>CachedRowSet</code>     *      page size or if the page size is less than 0.     */    public void setPageSize(int size) throws SQLException;     /**     * Returns the page-size for the <code>CachedRowSet</code> object     *     * @return an <code>int</code> page size     */    public int getPageSize();     /**     * Increments the current page of the <code>CachedRowSet</code>. This causes     * the <code>CachedRowSet</code> implementation to fetch the next page-size     * rows and populate the RowSet, if remaining rows remain within scope of the     * original SQL query used to populated the RowSet.     *     * @return true if more pages exist; false if this is the last page     * @throws SQLException if an error occurs fetching the next page, or if this     *     method is called prematurely before populate or execute.     */    public boolean nextPage() throws SQLException;     /**     * Decrements the current page of the <code>CachedRowSet</code>. This causes     * the <code>CachedRowSet</code> implementation to fetch the previous page-size     * rows and populate the RowSet. The amount of rows returned in the previous     * page must always remain within scope of the original SQL query used to     * populate the RowSet.     *     * @return true if the previous page is successfully retrieved; false if this     *     is the first page.     * @throws SQLException if an error occurs fetching the previous page, or if     *     this method is called prematurely before populate or execute.     */    public boolean previousPage() throws SQLException; }

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