1 /*
   2  * Copyright (c) 1999, 2002, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package javax.sound.midi;
  27 
  28 import java.util.EventListener;
  29 
  30 
  31 /**
  32  * The <code>MetaEventListener</code> interface should be implemented
  33  * by classes whose instances need to be notified when a <code>{@link Sequencer}</code>
  34  * has processed a <code>{@link MetaMessage}</code>.
  35  * To register a <code>MetaEventListener</code> object to receive such
  36  * notifications, pass it as the argument to the
  37  * <code>{@link Sequencer#addMetaEventListener(MetaEventListener) addMetaEventListener}</code>
  38  * method of <code>Sequencer</code>.
  39  *
  40  * @author Kara Kytle
  41  */
  42 public interface MetaEventListener extends EventListener {
  43 
  44     /**
  45      * Invoked when a <code>{@link Sequencer}</code> has encountered and processed
  46      * a <code>MetaMessage</code> in the <code>{@link Sequence}</code> it is processing.
  47      * @param meta the meta-message that the sequencer encountered
  48      */
  49     public void meta(MetaMessage meta);
  50 }