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 26 package com.sun.media.sound; 27 28 import javax.sound.midi.MidiUnavailableException; 29 import javax.sound.midi.Receiver; 30 import 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 */ 38 public 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 }