001/* Transmitter.java -- A interface for objects sending MIDI events
002   Copyright (C) 2005 Free Software Foundation, Inc.
003
004This file is part of GNU Classpath.
005
006GNU Classpath is free software; you can redistribute it and/or modify
007it under the terms of the GNU General Public License as published by
008the Free Software Foundation; either version 2, or (at your option)
009any later version.
010
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012WITHOUT ANY WARRANTY; without even the implied warranty of
013MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
014General Public License for more details.
015
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017along with GNU Classpath; see the file COPYING.  If not, write to the
018Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
01902110-1301 USA.
020
021Linking this library statically or dynamically with other modules is
022making a combined work based on this library.  Thus, the terms and
023conditions of the GNU General Public License cover the whole
024combination.
025
026As a special exception, the copyright holders of this library give you
027permission to link this library with independent modules to produce an
028executable, regardless of the license terms of these independent
029modules, and to copy and distribute the resulting executable under
030terms of your choice, provided that you also meet, for each linked
031independent module, the terms and conditions of the license of that
032module.  An independent module is a module which is not derived from
033or based on this library.  If you modify this library, you may extend
034this exception to your version of the library, but you are not
035obligated to do so.  If you do not wish to do so, delete this
036exception statement from your version. */
037
038
039package javax.sound.midi;
040
041/**
042 * This interface specifies the methods required by objects which send
043 * MIDI events to Receivers, including MIDI IN ports and Sequencers.
044 *
045 * @author Anthony Green (green@redhat.com)
046 * @since 1.3
047 *
048 */
049public interface Transmitter
050{
051  /**
052   * Set the Receiver to which MIDI events will be sent.
053   *
054   * @param receiver the Receiver to which MIDI events will be sent
055   */
056  public void setReceiver(Receiver receiver);
057
058  /**
059   * Get the Receiver to which MIDI events will be sent (possibly null)
060   *
061   * @return the Receiver to which MIDI events will be sent (possibly null)
062   */
063  public Receiver getReceiver();
064
065  /**
066   * Close this Transmitter, possibly releasing system resources.
067   * FIXME: Does this mean the Receiver is closed?  I think it must.
068   */
069  public void close();
070}