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75 lines
2.1 KiB
75 lines
2.1 KiB
/*
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* Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
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* ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*/
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package javax.sound.midi;
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/**
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* A <code>Receiver</code> receives <code>{@link MidiEvent}</code> objects and
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* typically does something useful in response, such as interpreting them to
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* generate sound or raw MIDI output. Common MIDI receivers include
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* synthesizers and MIDI Out ports.
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*
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* @see MidiDevice
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* @see Synthesizer
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* @see Transmitter
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*
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* @author Kara Kytle
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*/
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public interface Receiver extends AutoCloseable {
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//$$fb 2002-04-12: fix for 4662090: Contradiction in Receiver specification
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/**
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* Sends a MIDI message and time-stamp to this receiver.
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* If time-stamping is not supported by this receiver, the time-stamp
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* value should be -1.
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* @param message the MIDI message to send
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* @param timeStamp the time-stamp for the message, in microseconds.
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* @throws IllegalStateException if the receiver is closed
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*/
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public void send(MidiMessage message, long timeStamp);
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/**
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* Indicates that the application has finished using the receiver, and
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* that limited resources it requires may be released or made available.
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*
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* <p>If the creation of this <code>Receiver</code> resulted in
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* implicitly opening the underlying device, the device is
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* implicitly closed by this method. This is true unless the device is
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* kept open by other <code>Receiver</code> or <code>Transmitter</code>
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* instances that opened the device implicitly, and unless the device
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* has been opened explicitly. If the device this
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* <code>Receiver</code> is retrieved from is closed explicitly by
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* calling {@link MidiDevice#close MidiDevice.close}, the
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* <code>Receiver</code> is closed, too. For a detailed
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* description of open/close behaviour see the class description
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* of {@link javax.sound.midi.MidiDevice MidiDevice}.
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*
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* @see javax.sound.midi.MidiSystem#getReceiver
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*/
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public void close();
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}
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