Method Detail

• start

  void start()

  Starts the monitor.

• stop

  void stop()

  Stops the monitor.

• addObservedObject

  void addObservedObject(ObjectName object)
                  throws IllegalArgumentException

  Adds the specified object in the set of observed MBeans.

  Parameters:

  object - The object to observe.

  Throws:

  IllegalArgumentException - the specified object is null.

• removeObservedObject

  void removeObservedObject(ObjectName object)

  Removes the specified object from the set of observed MBeans.

  Parameters:

  object - The object to remove.

• containsObservedObject

  boolean containsObservedObject(ObjectName object)

  Tests whether the specified object is in the set of observed MBeans.

  Parameters:

  object - The object to check.

  Returns:

  true if the specified object is in the set, false otherwise.

• getObservedObjects

  ObjectName[] getObservedObjects()

  Returns an array containing the objects being observed.

  Returns:

  The objects being observed.

• getObservedObject

  @Deprecated
  ObjectName getObservedObject()

  Deprecated.  As of JMX 1.2, replaced by getObservedObjects()
  Gets the object name of the object being observed.

  Returns:

  The object being observed.

  See Also:

  setObservedObject(javax.management.ObjectName)

• setObservedObject

  @Deprecated
  void setObservedObject(ObjectName object)

  Deprecated.  As of JMX 1.2, replaced by addObservedObject(javax.management.ObjectName)
  Sets the object to observe identified by its object name.

  Parameters:

  object - The object to observe.

  See Also:

  getObservedObject()

• getObservedAttribute

  String getObservedAttribute()

  Gets the attribute being observed.

  Returns:

  The attribute being observed.

  See Also:

  setObservedAttribute(java.lang.String)

• setObservedAttribute

  void setObservedAttribute(String attribute)

  Sets the attribute to observe.

  Parameters:

  attribute - The attribute to observe.

  See Also:

  getObservedAttribute()

• getGranularityPeriod

  long getGranularityPeriod()

  Gets the granularity period (in milliseconds).

  Returns:

  The granularity period.

  See Also:

  setGranularityPeriod(long)

• setGranularityPeriod

  void setGranularityPeriod(long period)
                     throws IllegalArgumentException

  Sets the granularity period (in milliseconds).

  Parameters:

  period - The granularity period.

  Throws:

  IllegalArgumentException - The granularity period is less than or equal to zero.

  See Also:

  getGranularityPeriod()

• isActive

  boolean isActive()

  Tests if the monitor MBean is active. A monitor MBean is marked active when the start method is called. It becomes inactive when the stop method is called.

  Returns:

  true if the monitor MBean is active, false otherwise.