[Jarspy-commits] CVS: JarSpy/src/com/ociweb/gui MemoryMeter.java,1.2,1.3

[Jeff B. <br...@us...>]

Update of /cvsroot/jarspy/JarSpy/src/com/ociweb/gui
In directory usw-pr-cvs1:/tmp/cvs-serv15307

Modified Files:
	MemoryMeter.java 
Log Message:
refactor so a new Runnable is not instantiated every
few seconds when the ui needs to be updated

Index: MemoryMeter.java
===================================================================
RCS file: /cvsroot/jarspy/JarSpy/src/com/ociweb/gui/MemoryMeter.java,v
retrieving revision 1.2
retrieving revision 1.3
diff -C2 -d -r1.2 -r1.3
*** MemoryMeter.java	17 Sep 2002 21:38:29 -0000	1.2
--- MemoryMeter.java	17 Sep 2002 23:51:36 -0000	1.3
***************
*** 40,43 ****
--- 40,45 ----
      private DecimalFormat mFormatter = new DecimalFormat("###,###,###.#M");
  
+     private Runnable updateRunnable;
+ 
      public MemoryMeter() {
          this(DEFAULT_REFRESH_INTERVAL);
***************
*** 49,52 ****
--- 51,59 ----
          progressBar.setStringPainted(true);
          add(BorderLayout.CENTER, progressBar);
+         updateRunnable = new Runnable() {
+             public void run() {
+                 updateDisplay();
+             }
+         };
      }
  
***************
*** 60,80 ****
          super.removeNotify();
      }
      public synchronized void start() {
          stop();
          refreshThread = new Thread() {
              public void run() {
-                 Runtime runtime = Runtime.getRuntime();
                  try {
                      while (true) {
!                         final long totalMemory = runtime.totalMemory();
!                         long freeMemory = runtime.freeMemory();
!                         final long usedMemory = totalMemory - freeMemory;
!                         SwingUtilities.invokeLater(new Runnable() {
!                             public void run() {
!                                 progressBar.setMaximum((int) totalMemory);
!                                 progressBar.setValue((int) usedMemory);
!                                 progressBar.setString(format(usedMemory, totalMemory));
!                             }
!                         });
                          Thread.sleep(refreshInterval);
                      }
--- 67,78 ----
          super.removeNotify();
      }
+ 
      public synchronized void start() {
          stop();
          refreshThread = new Thread() {
              public void run() {
                  try {
                      while (true) {
!                         SwingUtilities.invokeLater(updateRunnable);
                          Thread.sleep(refreshInterval);
                      }
***************
*** 88,91 ****
--- 86,99 ----
      }
  
+     private synchronized void updateDisplay() {
+         Runtime runtime = Runtime.getRuntime();
+         final long totalMemory = runtime.totalMemory();
+         long freeMemory = runtime.freeMemory();
+         final long usedMemory = totalMemory - freeMemory;
+         progressBar.setMaximum((int) totalMemory);
+         progressBar.setValue((int) usedMemory);
+         progressBar.setString(format(usedMemory, totalMemory));
+     }
+ 
      public synchronized void stop() {
          try {
***************
*** 106,110 ****
  
      private String format(long value) {
!         if(value > 2200000) {
              return mFormatter.format(value / 1000000f);
          } else {
--- 114,118 ----
  
      private String format(long value) {
!         if (value > 2200000) {
              return mFormatter.format(value / 1000000f);
          } else {
***************
*** 112,115 ****
          }
      }
- 
  }
--- 120,122 ----