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13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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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      */
getReceiverReferenceCounting()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      */
getTransmitterReferenceCounting()49     Transmitter getTransmitterReferenceCounting() throws MidiUnavailableException;
50 }
51