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    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   
   33   
   34   /** MidiDevice that can use reference counting for open/close.
   35    * This interface is intended to be used by MidiSystem.getTransmitter() and
   36    * MidiSystem.getReceiver().
   37    *
   38    * @author Matthias Pfisterer
   39    */
   40   public interface ReferenceCountingDevice {
   41       /** Retrieve a Receiver that opens the device implicitly.
   42        * This method is similar to MidiDevice.getReceiver(). However, by calling this one,
   43        * the device is opened implicitly. This is needed by MidiSystem.getReceiver().
   44        */
   45       public Receiver getReceiverReferenceCounting() throws MidiUnavailableException;
   46   
   47       /** Retrieve a Transmitter that opens the device implicitly.
   48        * This method is similar to MidiDevice.getTransmitter(). However, by calling this one,
   49        * the device is opened implicitly. This is needed by MidiSystem.getTransmitter().
   50        */
   51       public Transmitter getTransmitterReferenceCounting() throws MidiUnavailableException;
   52   }

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