1 /*
   2  * Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package com.sun.media.sound;
  27 
  28 /**
  29  * A director chooses what performers should be  played for each note on
  30  * and note off events.
  31  *
  32  * ModelInstrument can implement custom performer who chooses what performers
  33  * to play for example by sustain pedal is off or on.
  34  *
  35  * The default director (ModelStandardDirector) chooses performers
  36  * by there keyfrom,keyto,velfrom,velto properties.
  37  *
  38  * @author Karl Helgason
  39  */
  40 public interface ModelDirector {
  41 
  42     void noteOn(int noteNumber, int velocity);
  43 
  44     void noteOff(int noteNumber, int velocity);
  45 
  46     void close();
  47 }