A partial fix to issue 24.

- Rename AudioEngine.java, AudioEngine3D.java and AudioEngine3DL2.java to abstract class.


git-svn-id: https://svn.java.net/svn/j3d-core-utils~svn/trunk@25 9497e636-51bd-65ba-982d-a4982e1767a5

1 files changed, 5 insertions, 14 deletions

diff --git a/src/classes/share/com/sun/j3d/audioengines/AudioEngine3DL2.java b/src/classes/share/com/sun/j3d/audioengines/AudioEngine3DL2.java
index c8865c2..e9b5d0e 100644
--- a/src/classes/share/com/sun/j3d/audioengines/AudioEngine3DL2.java
+++ b/src/classes/share/com/sun/j3d/audioengines/AudioEngine3DL2.java
@@ -68,7 +68,7 @@ import java.util.ArrayList;
  *
  * @since Java 3D 1.3
  */
-public class AudioEngine3DL2 extends AudioEngine3D implements AudioDevice3DL2 {
+public abstract class AudioEngine3DL2 extends AudioEngine3D implements AudioDevice3DL2 {
     /**
      * Construct a new AudioEngine3DL2 with the specified PhysicalEnvironment.
      * @param physicalEnvironment the physical environment object where we
@@ -91,31 +91,22 @@ public class AudioEngine3DL2 extends AudioEngine3D implements AudioDevice3DL2 {
      * Causes all cached sounds to be paused and all streaming sounds to be
      * stopped.
      */
-    public void  pause() {
-        // This method must be overridden by device specific implementation
-        return;
-    }
+    public abstract void  pause();
+
     /**
      * Resumes audio device engine (if previously paused) without
      * reinitializing the device.
      * Causes all paused cached sounds to be resumed and all streaming
      * sounds restarted.
      */
-    public void resume() {
-        // This method must be overridden by device specific implementation
-        return;
-    }
+    public abstract void resume();
 
     /**
      * Set overall gain control of all sounds playing on the audio device.
      * @param scaleFactor scale factor applied to calculated amplitudes for
      * all sounds playing on this device
      */  
-    public void setGain(float scaleFactor) {
-        // This method must be overridden by device specific implementation
-        return;
-    }
-
+    public abstract void setGain(float scaleFactor);
 
     /*
      *