Class NullAudioFactory

java.lang.Object
jmri.jmrit.audio.AbstractAudioFactory
jmri.jmrit.audio.NullAudioFactory
All Implemented Interfaces:
AudioFactory

This is the null audio system specific AudioFactory. It is a dummy factory which provides the necessary object generation but does not produce any sound. This will normally only be used when running on a system that has no sound-card installed.
This file is part of JMRI.

JMRI is free software; you can redistribute it and/or modify it under the terms of version 2 of the GNU General Public License as published by the Free Software Foundation. See the "COPYING" file for a copy of this license.

JMRI 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 for more details.

  • Constructor Details

  • Method Details

    • init

      public boolean init()
      Description copied from interface: AudioFactory
      Perform any implementation specific initialisation routines.
      Specified by:
      init in interface AudioFactory
      Overrides:
      init in class AbstractAudioFactory
      Returns:
      true, if initialisation successful
    • toString

      public String toString()
      Overrides:
      toString in class Object
    • cleanup

      public void cleanup()
      Description copied from interface: AudioFactory
      Perform any implementation specific clean-up operations.
      Specified by:
      cleanup in interface AudioFactory
      Overrides:
      cleanup in class AbstractAudioFactory
    • isInitialised

      public boolean isInitialised()
      Description copied from interface: AudioFactory
      Determine if this AudioFactory is initialised
      Returns:
      true if initialised
    • createNewBuffer

      public AudioBuffer createNewBuffer(String systemName, String userName)
      Description copied from interface: AudioFactory
      Provide a specific new AudioBuffer object.
      Parameters:
      systemName - for this object instance
      userName - for this object instance
      Returns:
      a new specific AudioBuffer
    • createNewListener

      public AudioListener createNewListener(String systemName, String userName)
      Description copied from interface: AudioFactory
      Provide a specific new AudioListener object.
      Parameters:
      systemName - for this object instance
      userName - for this object instance
      Returns:
      a new specific AudioListener
    • getActiveAudioListener

      Description copied from interface: AudioFactory
      Get the currently active Listener object.
      Returns:
      active AudioListener
    • createNewSource

      public AudioSource createNewSource(String systemName, String userName)
      Description copied from interface: AudioFactory
      Provide a specific new AudioSource object.
      Parameters:
      systemName - for this object instance
      userName - for this object instance
      Returns:
      a new specific AudioSource