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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

Methods

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.

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Documentation extracted from Debian's OpenJDK Development Kit package.
Licensed under the GNU General Public License, version 2, with the Classpath Exception.
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