1 /* 2 * Copyright (c) 1999, 2014, 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 * The {@code MetaEventListener} interface should be implemented by classes 32 * whose instances need to be notified when a {@link Sequencer} has processed a 33 * {@link MetaMessage}. To register a {@code MetaEventListener} object to 34 * receive such notifications, pass it as the argument to the 35 * {@link Sequencer#addMetaEventListener(MetaEventListener) 36 * addMetaEventListener} method of {@code Sequencer}. 37 * 38 * @author Kara Kytle 39 */ 40 public interface MetaEventListener extends EventListener { 41 42 /** 43 * Invoked when a {@link Sequencer} has encountered and processed a 44 * {@code MetaMessage} in the {@code Sequence} it is processing. 45 * 46 * @param meta the meta-message that the sequencer encountered 47 */ 48 void meta(MetaMessage meta); 49 }