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package com.sun.media.sound;

A director chooses what performers should be  played for each note on
and note off events.
ModelInstrument can implement custom performer who chooses what performers
to play for example by sustain pedal is off or on.
The default director (ModelStandardDirector) chooses performers
by there keyfrom,keyto,velfrom,velto properties.
Author:
Karl Helgason/**
 * A director chooses what performers should be  played for each note on
 * and note off events.
 *
 * ModelInstrument can implement custom performer who chooses what performers
 * to play for example by sustain pedal is off or on.
 *
 * The default director (ModelStandardDirector) chooses performers
 * by there keyfrom,keyto,velfrom,velto properties.
 *
 * @author Karl Helgason
 */
public interface ModelDirector {

    public void noteOn(int noteNumber, int velocity);

    public void noteOff(int noteNumber, int velocity);

    public void close();
}