Module jdk.management

Package com.ibm.lang.management.internal

Class ExtendedOperatingSystemMXBeanImpl

java.lang.Object

com.ibm.java.lang.management.internal.OperatingSystemMXBeanImpl

com.ibm.lang.management.internal.ExtendedOperatingSystemMXBeanImpl

All Implemented Interfaces:

OperatingSystemMXBean, OperatingSystemMXBean, OperatingSystemMXBean, PlatformManagedObject, NotificationBroadcaster, NotificationEmitter

Direct Known Subclasses:

UnixExtendedOperatingSystem

public class ExtendedOperatingSystemMXBeanImpl
extends com.ibm.java.lang.management.internal.OperatingSystemMXBeanImpl
implements OperatingSystemMXBean

Runtime type for OperatingSystemMXBean.

Since:

1.7.1

Method Summary

Modifier and Type	Method	Description
void	addNotificationListener(NotificationListener listener, NotificationFilter filter, Object handback)	Adds a listener to this MBean.
String	getHardwareModel()	Retrieve hardware model
static ExtendedOperatingSystemMXBeanImpl	getInstance()	Singleton accessor method.
MBeanNotificationInfo[]	getNotificationInfo()	Returns an array indicating, for each notification this MBean may send, the name of the Java class of the notification and the notification type.
void	removeNotificationListener(NotificationListener listener)	Removes a listener from this MBean.
void	removeNotificationListener(NotificationListener listener, NotificationFilter filter, Object handback)	Removes a listener from this MBean.
void	sendNotification(Notification notification)	Send notifications to registered listeners.

Methods declared in class com.ibm.java.lang.management.internal.OperatingSystemMXBeanImpl

getArch, getAvailableProcessors, getName, getObjectName, getSystemLoadAverage, getVersion

Methods declared in class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods declared in interface com.ibm.lang.management.OperatingSystemMXBean

getCommittedVirtualMemorySize, getFreeSwapSpaceSize, getProcessCpuLoad, getProcessCpuTime, getProcessCpuTimeByNS, getProcessingCapacity, getProcessPhysicalMemorySize, getProcessPrivateMemorySize, getProcessVirtualMemorySize, getTotalPhysicalMemory, getTotalSwapSpaceSize, isHardwareEmulated, isProcessRunning, retrieveMemoryUsage, retrieveMemoryUsage, retrieveProcessorUsage, retrieveProcessorUsage, retrieveTotalProcessorUsage, retrieveTotalProcessorUsage

Methods declared in interface com.sun.management.OperatingSystemMXBean

getFreePhysicalMemorySize, getSystemCpuLoad, getTotalPhysicalMemorySize

Methods declared in interface java.lang.management.OperatingSystemMXBean

getArch, getAvailableProcessors, getName, getSystemLoadAverage, getVersion

Methods declared in interface java.lang.management.PlatformManagedObject

getObjectName

Method Detail

getInstance

public static ExtendedOperatingSystemMXBeanImpl getInstance()

Singleton accessor method.

Returns:

the ExtendedOperatingSystemMXBeanImpl singleton.

getHardwareModel

public final String getHardwareModel()
                              throws UnsupportedOperationException

Retrieve hardware model

Specified by:

getHardwareModel in interface OperatingSystemMXBean

Returns:

String containing the hardware model. NULL in case of an error.

Throws:

UnsupportedOperationException - if the operation is not implemented on this platform. UnsupportedOperationException will also be thrown if the operation is implemented but it cannot be performed because the system does not satisfy all the requirements, for example, an OS service is not installed.

getNotificationInfo

public final MBeanNotificationInfo[] getNotificationInfo()

Returns an array indicating, for each notification this MBean may send, the name of the Java class of the notification and the notification type.

It is not illegal for the MBean to send notifications not described in this array. However, some clients of the MBean server may depend on the array being complete for their correct functioning.

Specified by:

getNotificationInfo in interface NotificationBroadcaster

Returns:

the array of possible notifications.

addNotificationListener

public void addNotificationListener(NotificationListener listener,
                                    NotificationFilter filter,
                                    Object handback)
                             throws IllegalArgumentException

Adds a listener to this MBean.

Specified by:

addNotificationListener in interface NotificationBroadcaster

Parameters:

listener - The listener object which will handle the notifications emitted by the broadcaster.

filter - The filter object. If filter is null, no filtering will be performed before handling notifications.

handback - An opaque object to be sent back to the listener when a notification is emitted. This object cannot be used by the Notification broadcaster object. It should be resent unchanged with the notification to the listener.

Throws:

IllegalArgumentException - Listener parameter is null.

See Also:

NotificationBroadcaster.removeNotificationListener(javax.management.NotificationListener)

removeNotificationListener

public final void removeNotificationListener(NotificationListener listener)
                                      throws ListenerNotFoundException

Removes a listener from this MBean. If the listener has been registered with different handback objects or notification filters, all entries corresponding to the listener will be removed.

Specified by:

removeNotificationListener in interface NotificationBroadcaster

Parameters:

listener - A listener that was previously added to this MBean.

Throws:

ListenerNotFoundException - The listener is not registered with the MBean.

See Also:

NotificationBroadcaster.addNotificationListener(javax.management.NotificationListener, javax.management.NotificationFilter, java.lang.Object), NotificationEmitter.removeNotificationListener(javax.management.NotificationListener, javax.management.NotificationFilter, java.lang.Object)

removeNotificationListener

public final void removeNotificationListener(NotificationListener listener,
                                             NotificationFilter filter,
                                             Object handback)
                                      throws ListenerNotFoundException

Removes a listener from this MBean. The MBean must have a listener that exactly matches the given listener, filter, and handback parameters. If there is more than one such listener, only one is removed.

The filter and handback parameters may be null if and only if they are null in a listener to be removed.

Specified by:

removeNotificationListener in interface NotificationEmitter

Parameters:

listener - A listener that was previously added to this MBean.

filter - The filter that was specified when the listener was added.

handback - The handback that was specified when the listener was added.

Throws:

ListenerNotFoundException - The listener is not registered with the MBean, or it is not registered with the given filter and handback.

sendNotification

public final void sendNotification(Notification notification)

Send notifications to registered listeners.

Parameters:

notification - a notification to be sent