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JavaTM 2 Platform Std. Ed. v1.6.0

javax.management.monitor
Interface MonitorMBean

All Known Subinterfaces:
CounterMonitorMBean, GaugeMonitorMBean, StringMonitorMBean
All Known Implementing Classes:
CounterMonitor, GaugeMonitor, Monitor, StringMonitor

public interface MonitorMBean

Exposes the remote management interface of monitor MBeans.

Since:
1.5

Method Summary
 void addObservedObject(ObjectName object)
          Adds the specified object in the set of observed MBeans.
 boolean containsObservedObject(ObjectName object)
          Tests whether the specified object is in the set of observed MBeans.
 long getGranularityPeriod()
          Gets the granularity period (in milliseconds).
 String getObservedAttribute()
          Gets the attribute being observed.
 ObjectName getObservedObject()
          Deprecated. As of JMX 1.2, replaced by getObservedObjects()
 ObjectName[] getObservedObjects()
          Returns an array containing the objects being observed.
 boolean isActive()
          Tests if the monitor MBean is active.
 void removeObservedObject(ObjectName object)
          Removes the specified object from the set of observed MBeans.
 void setGranularityPeriod(long period)
          Sets the granularity period (in milliseconds).
 void setObservedAttribute(String attribute)
          Sets the attribute to observe.
 void setObservedObject(ObjectName object)
          Deprecated. As of JMX 1.2, replaced by addObservedObject(javax.management.ObjectName)
 void start()
          Starts the monitor.
 void stop()
          Stops the monitor.
 

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.

Copyright 2003 Sun Microsystems, Inc. All rights reserved