org.apache.geronimo.j2ee.management.impl
Class JVMImpl

java.lang.Object
  org.apache.geronimo.j2ee.management.impl.JVMImpl

All Implemented Interfaces:

J2EEManagedObject, JVM, StatisticsProvider

public class JVMImpl
extends Object
implements JVM, StatisticsProvider

Field Summary

static GBeanInfo	GBEAN_INFO
static String	JAVA_VENDOR
static String	JAVA_VERSION
static String	NODE

Constructor Summary

JVMImpl(String objectName, Kernel kernel, SystemLog systemLog)

Method Summary

int	getAvailableProcessors()
static GBeanInfo	getGBeanInfo()
String	getJavaVendor() The vendor of the JVMImpl we are running on.
String	getJavaVersion() The version of the JVMImpl we are running on.
Date	getKernelBootTime()
String	getNode() The node we are running on.
String	getObjectName() Gets the unique name of this object.
Stats	getStats() Gets the statistics collected for this class.
SystemLog	getSystemLog()
Properties	getSystemProperties()
boolean	isEventProvider() Determines if this object implemnts the event provider type defined in the J2EE Management specification.
boolean	isStateManageable() Determines if this object implements the state manageable type defined in the J2EE Management specification.
boolean	isStatisticsProvider() Determines if this object implemnts the statistics provider type defined in the J2EE Management specification.
void	resetStats() Reset the startTime for all statistics

Methods inherited from class java.lang.Object

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

Field Detail

JAVA_VERSION

public static final String JAVA_VERSION

JAVA_VENDOR

public static final String JAVA_VENDOR

NODE

public static final String NODE

GBEAN_INFO

public static final GBeanInfo GBEAN_INFO

Constructor Detail

JVMImpl

public JVMImpl(String objectName,
               Kernel kernel,
               SystemLog systemLog)

Method Detail

getObjectName

public String getObjectName()

Description copied from interface: J2EEManagedObject

Gets the unique name of this object. The object name must comply with the ObjectName specification in the JMX specification and the restrictions in the J2EEManagementInterface.

Specified by:

getObjectName in interface J2EEManagedObject

Returns:

the unique name of this object within the server

isStateManageable

public boolean isStateManageable()

Description copied from interface: J2EEManagedObject

Determines if this object implements the state manageable type defined in the J2EE Management specification.

Specified by:

isStateManageable in interface J2EEManagedObject

Returns:

true if this class also implements the state manageable type; false otherwise

isStatisticsProvider

public boolean isStatisticsProvider()

Description copied from interface: J2EEManagedObject

Determines if this object implemnts the statistics provider type defined in the J2EE Management specification.

Specified by:

isStatisticsProvider in interface J2EEManagedObject

Returns:

true if this class also implements the statistics provider type; false otherwise

isEventProvider

public boolean isEventProvider()

Description copied from interface: J2EEManagedObject

Determines if this object implemnts the event provider type defined in the J2EE Management specification.

Specified by:

isEventProvider in interface J2EEManagedObject

Returns:

true if this class also implements the event manageable type; false otherwise

getJavaVersion

public String getJavaVersion()

The version of the JVMImpl we are running on. This is the value of java.version system property

Specified by:

getJavaVersion in interface JVM

Returns:

the JVMImpl version

See Also:

"JSR77.3.4.1.1"

getJavaVendor

public String getJavaVendor()

The vendor of the JVMImpl we are running on. This is the value of java.vendor system property

Specified by:

getJavaVendor in interface JVM

Returns:

the JVMImpl version

See Also:

"JSR77.3.4.1.2"

getNode

public String getNode()

The node we are running on. This is the fully qualified host name returned for InetAddress.getLocalHost.toString(); we return null if there is no network

Specified by:

getNode in interface JVM

Returns:

the node we are running on

See Also:

"JSR77.3.4.1.3"

getAvailableProcessors

public int getAvailableProcessors()

getKernelBootTime

public Date getKernelBootTime()

getStats

public Stats getStats()

Description copied from interface: StatisticsProvider

Gets the statistics collected for this class. The first call to this method initializes the startTime for all statistics.

Specified by:

getStats in interface StatisticsProvider

Returns:

gets collected for this class

resetStats

public void resetStats()

Description copied from interface: StatisticsProvider

Reset the startTime for all statistics

Specified by:

resetStats in interface StatisticsProvider

getSystemProperties

public Properties getSystemProperties()

getSystemLog

public SystemLog getSystemLog()

getGBeanInfo

public static GBeanInfo getGBeanInfo()