1/*
2 * Copyright (c) 2003, 2007, 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
26package com.sun.media.sound;
27
28import javax.sound.midi.MidiUnavailableException;
29import javax.sound.midi.Receiver;
30import javax.sound.midi.Transmitter;
31
32/** MidiDevice that can use reference counting for open/close.
33 * This interface is intended to be used by MidiSystem.getTransmitter() and
34 * MidiSystem.getReceiver().
35 *
36 * @author Matthias Pfisterer
37 */
38public interface ReferenceCountingDevice {
39    /** Retrieve a Receiver that opens the device implicitly.
40     * This method is similar to MidiDevice.getReceiver(). However, by calling this one,
41     * the device is opened implicitly. This is needed by MidiSystem.getReceiver().
42     */
43    Receiver getReceiverReferenceCounting() throws MidiUnavailableException;
44
45    /** Retrieve a Transmitter that opens the device implicitly.
46     * This method is similar to MidiDevice.getTransmitter(). However, by calling this one,
47     * the device is opened implicitly. This is needed by MidiSystem.getTransmitter().
48     */
49    Transmitter getTransmitterReferenceCounting() throws MidiUnavailableException;
50}
51