NullMusicDevice

java.lang.Object

com.softsynth.jmsl.NullMusicDevice

All Implemented Interfaces:: Editable, MusicDevice

public class NullMusicDevice
extends java.lang.Object
implements MusicDevice

A do-nothing MusicDevice

Author:: Nick Didkovsky, email: nick@didkovsky.com, (c) 2003 Nick Didkovsky, all rights reserved.

Method Summary

Modifier and Type	Method	Description
`void`	`addEditListener(EditListener listener)`
`boolean`	`close()`
`void`	`edit(java.awt.Frame f)`	Bring up a Dialog for editing, for example
`boolean`	`getEditEnabled()`
`static NullMusicDevice`	`instance()`
`boolean`	`open()`
`void`	`removeEditListener(EditListener listener)`
`void`	`setEditEnabled(boolean flag)`	Set a flag.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details
- instance
  
  public static NullMusicDevice instance()
  
  Returns:
  
  singleton instance of this class
- open
  
  public boolean open()
  
  Specified by:
  
  open in interface MusicDevice
- close
  
  public boolean close()
  
  Specified by:
  
  close in interface MusicDevice
- edit
  
  public void edit(java.awt.Frame f)
  
  Description copied from interface: Editable
  
  Bring up a Dialog for editing, for example
  
  Specified by:
  
  edit in interface Editable
- addEditListener
  
  public void addEditListener(EditListener listener)
  
  Specified by:
  
  addEditListener in interface Editable
- removeEditListener
  
  public void removeEditListener(EditListener listener)
  
  Specified by:
  
  removeEditListener in interface Editable
- setEditEnabled
  
  public void setEditEnabled(boolean flag)
  
  Description copied from interface: Editable
  
  Set a flag. For example you might setEditEnabled(false) after first edit(), or you might hard code values for some Editable class and so want to disable editing.
  
  Specified by:
  
  setEditEnabled in interface Editable
- getEditEnabled
  
  public boolean getEditEnabled()
  
  Specified by:
  
  getEditEnabled in interface Editable
  
  Returns:
  
  flag