ojluni/src/main/java/com/sun/media/sound/ReferenceCountingDevice.java

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
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 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
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 * 2 along with this work; if not, write to the Free Software Foundation,
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package com.sun.media.sound;

import javax.sound.midi.MidiUnavailableException;
import javax.sound.midi.Receiver;
import javax.sound.midi.Transmitter;



/** MidiDevice that can use reference counting for open/close.
 * This interface is intended to be used by MidiSystem.getTransmitter() and
 * MidiSystem.getReceiver().
 *
 * @author Matthias Pfisterer
 */
public interface ReferenceCountingDevice {
    /** Retrieve a Receiver that opens the device implicitly.
     * This method is similar to MidiDevice.getReceiver(). However, by calling this one,
     * the device is opened implicitly. This is needed by MidiSystem.getReceiver().
     */
    public Receiver getReceiverReferenceCounting() throws MidiUnavailableException;

    /** Retrieve a Transmitter that opens the device implicitly.
     * This method is similar to MidiDevice.getTransmitter(). However, by calling this one,
     * the device is opened implicitly. This is needed by MidiSystem.getTransmitter().
     */
    public Transmitter getTransmitterReferenceCounting() throws MidiUnavailableException;
}