| /* |
| * Copyright 1999-2003 Sun Microsystems, Inc. All Rights Reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Sun designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Sun in the LICENSE file that accompanied this code. |
| * |
| * 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). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| * CA 95054 USA or visit www.sun.com if you need additional information or |
| * have any questions. |
| */ |
| |
| package javax.sound.midi; |
| |
| |
| /** |
| * A <code>Receiver</code> receives <code>{@link MidiEvent}</code> objects and |
| * typically does something useful in response, such as interpreting them to |
| * generate sound or raw MIDI output. Common MIDI receivers include |
| * synthesizers and MIDI Out ports. |
| * |
| * @see MidiDevice |
| * @see Synthesizer |
| * @see Transmitter |
| * |
| * @author Kara Kytle |
| */ |
| public interface Receiver { |
| |
| |
| //$$fb 2002-04-12: fix for 4662090: Contradiction in Receiver specification |
| /** |
| * Sends a MIDI message and time-stamp to this receiver. |
| * If time-stamping is not supported by this receiver, the time-stamp |
| * value should be -1. |
| * @param message the MIDI message to send |
| * @param timeStamp the time-stamp for the message, in microseconds. |
| * @throws IllegalStateException if the receiver is closed |
| */ |
| public void send(MidiMessage message, long timeStamp); |
| |
| /** |
| * Indicates that the application has finished using the receiver, and |
| * that limited resources it requires may be released or made available. |
| * |
| * <p>If the creation of this <code>Receiver</code> resulted in |
| * implicitly opening the underlying device, the device is |
| * implicitly closed by this method. This is true unless the device is |
| * kept open by other <code>Receiver</code> or <code>Transmitter</code> |
| * instances that opened the device implicitly, and unless the device |
| * has been opened explicitly. If the device this |
| * <code>Receiver</code> is retrieved from is closed explicitly by |
| * calling {@link MidiDevice#close MidiDevice.close}, the |
| * <code>Receiver</code> is closed, too. For a detailed |
| * description of open/close behaviour see the class description |
| * of {@link javax.sound.midi.MidiDevice MidiDevice}. |
| * |
| * @see javax.sound.midi.MidiSystem#getReceiver |
| */ |
| public void close(); |
| } |