51 
  52     // granularity period
  53     private int granularityperiod = 10;
  54 
  55     // derived gauge
  56     private volatile int derivedGauge = 2;
  57 
  58     // flag to notify that a message has been received
  59     private volatile boolean messageReceived = false;
  60 
  61     private volatile Object observedValue = null;
  62 
  63     // MBean class
  64     public class StdObservedObject implements StdObservedObjectMBean {
  65         public Object getNbObjects() {
  66             echo(">>> StdObservedObject.getNbObjects: " + count);
  67             synchronized(CounterMonitorTest.class) {
  68                 observedValue = count;
  69                 CounterMonitorTest.class.notifyAll();
  70             }
  71             return count;
  72         }
  73         public void setNbObjects(Object n) {
  74             echo(">>> StdObservedObject.setNbObjects: " + n);
  75             count = n;
  76         }
  77         private volatile Object count= null;
  78     }
  79 
  80     // MBean interface
  81     public interface StdObservedObjectMBean {
  82         public Object getNbObjects();
  83         public void setNbObjects(Object n);
  84     }
  85 
  86     // Notification handler
  87     public void handleNotification(Notification notification,
  88                                    Object handback) {
  89         MonitorNotification n = (MonitorNotification) notification;
  90         echo("\tInside handleNotification...");
  91         String type = n.getType();

  51 
  52     // granularity period
  53     private int granularityperiod = 10;
  54 
  55     // derived gauge
  56     private volatile int derivedGauge = 2;
  57 
  58     // flag to notify that a message has been received
  59     private volatile boolean messageReceived = false;
  60 
  61     private volatile Object observedValue = null;
  62 
  63     // MBean class
  64     public class StdObservedObject implements StdObservedObjectMBean {
  65         public Object getNbObjects() {
  66             echo(">>> StdObservedObject.getNbObjects: " + count);
  67             synchronized(CounterMonitorTest.class) {
  68                 observedValue = count;
  69                 CounterMonitorTest.class.notifyAll();
  70             }
  71             return observedValue;
  72         }
  73         public void setNbObjects(Object n) {
  74             echo(">>> StdObservedObject.setNbObjects: " + n);
  75             count = n;
  76         }
  77         private volatile Object count= null;
  78     }
  79 
  80     // MBean interface
  81     public interface StdObservedObjectMBean {
  82         public Object getNbObjects();
  83         public void setNbObjects(Object n);
  84     }
  85 
  86     // Notification handler
  87     public void handleNotification(Notification notification,
  88                                    Object handback) {
  89         MonitorNotification n = (MonitorNotification) notification;
  90         echo("\tInside handleNotification...");
  91         String type = n.getType();