/*
 * Copyright 2000-2001 Sun Microsystems, Inc.  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.  Sun designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
 * CA 95054 USA or visit www.sun.com if you need additional information or
 * have any questions.
 */

package javax.sql;

/**
 * An interface that must be implemented by a
 * component that wants to be notified when a significant
 * event happens in the life of a <code>RowSet</code> object.
 * A component becomes a listener by being registered with a
 * <code>RowSet</code> object via the method <code>RowSet.addRowSetListener</code>.
 * How a registered component implements this interface determines what it does
 * when it is notified of an event.
 *
 * @since 1.4
 */

public interface RowSetListener extends java.util.EventListener {

  /**
   * Notifies registered listeners that a <code>RowSet</code> object
   * in the given <code>RowSetEvent</code> object has changed its entire contents.
   * <P>
   * The source of the event can be retrieved with the method
   * <code>event.getSource</code>.
   *
   * @param event a <code>RowSetEvent</code> object that contains
   *         the <code>RowSet</code> object that is the source of the event
   */
  void rowSetChanged(RowSetEvent event);

  /**
   * Notifies registered listeners that a <code>RowSet</code> object
   * has had a change in one of its rows.
   * <P>
   * The source of the event can be retrieved with the method
   * <code>event.getSource</code>.
   *
   * @param event a <code>RowSetEvent</code> object that contains
   *         the <code>RowSet</code> object that is the source of the event
   */
  void rowChanged(RowSetEvent event);

  /**
   * Notifies registered listeners that a <code>RowSet</code> object's
   * cursor has moved.
   * <P>
   * The source of the event can be retrieved with the method
   * <code>event.getSource</code>.
   *
   * @param event a <code>RowSetEvent</code> object that contains
   *         the <code>RowSet</code> object that is the source of the event
   */
  void cursorMoved(RowSetEvent event);
}