Type-Safe Access to BEA WebLogic Server 9.0 MBeans (Deprecated)

(Methods marked with @since 9.0.0.0 are not available through the deprecated MBeanHome interface.)

weblogic.management.runtime
Interface JVMRuntimeMBean

All Superinterfaces:

DynamicMBean, MBeanRegistration, NotificationBroadcaster, weblogic.management.runtime.RuntimeMBean, weblogic.management.WebLogicMBean

All Known Subinterfaces:

JRockitRuntimeMBean

public interface JVMRuntimeMBean

extends weblogic.management.runtime.RuntimeMBean

Provides methods for retrieving information about the Java Virtual Machine (JVM) within with the current server instance is running. You cannot change the JVM's operating parameters while the JVM is active. Instead, use the startup options that are described in the JVM's documentation.

These methods can be used for any type of JVM that WebLogic Server supports.

Deprecation of MBeanHome and Type-Safe Interfaces

This is a type-safe interface for a WebLogic Server MBean, which you can import into your client classes and access through weblogic.management.MBeanHome. As of 9.0, the MBeanHome interface and all type-safe interfaces for WebLogic Server MBeans are deprecated. Instead, client classes that interact with WebLogic Server MBeans should use standard JMX design patterns in which clients use the javax.management.MBeanServerConnection interface to discover MBeans, attributes, and attribute types at runtime. For more information, see "Developing Manageable Applications with JMX" on http://www.oracle.com/technology/documentation/index.html.

Copyright © 2005 BEA Systems, Inc. All Rights Reserved.

Method Summary

long	getHeapFreeCurrent() The current amount of memory (in bytes) that is available in the JVM heap.
int	getHeapFreePercent() Percentage of the maximum memory that is free.
long	getHeapSizeCurrent() The current size (in bytes) of the JVM heap.
long	getHeapSizeMax() The maximum free memory configured for this JVM.
String	getJavaVendor() Returns the vendor of Java.
String	getJavaVersion() The Java version of the JVM.
String	getJavaVMVendor() Returns the vendor of the JVM.
String	getOSName() Returns the operating system on which the JVM is running.
String	getOSVersion() The version of the operating system on which the JVM is running.
String	getThreadStackDump() JVM thread dump.
long	getUptime() The number of milliseconds that the Virtual Machine has been running.

Methods inherited from interface weblogic.management.WebLogicMBean

getMBeanInfo, getName, getObjectName, getParent, getType, isCachingDisabled, isRegistered, setName, setParent

Methods inherited from interface javax.management.DynamicMBean

getAttribute, getAttributes, invoke, setAttribute, setAttributes

Methods inherited from interface javax.management.MBeanRegistration

postDeregister, postRegister, preDeregister, preRegister

Methods inherited from interface javax.management.NotificationBroadcaster

addNotificationListener, getNotificationInfo, removeNotificationListener

Method Detail

getHeapFreeCurrent

public long getHeapFreeCurrent()

The current amount of memory (in bytes) that is available in the JVM heap.

Returns:

The heapFreeCurrent value

getHeapFreePercent

public int getHeapFreePercent()

Percentage of the maximum memory that is free.

getHeapSizeCurrent

public long getHeapSizeCurrent()

The current size (in bytes) of the JVM heap.

Returns:

The heapSizeCurrent value

getHeapSizeMax

public long getHeapSizeMax()

The maximum free memory configured for this JVM.

getJavaVendor

public String getJavaVendor()

Returns the vendor of Java.

The vendor of Java that this server runs.

Returns:

The javaVendor value

getJavaVersion

public String getJavaVersion()

The Java version of the JVM.

Returns:

The javaVersion value

getJavaVMVendor

public String getJavaVMVendor()

Returns the vendor of the JVM.

The vendor of the JVM that this server runs.

system property java.vm.vendor is returned

getOSName

public String getOSName()

Returns the operating system on which the JVM is running.

The operating system on which the JVM is running.

Returns:

The oSName value

getOSVersion

public String getOSVersion()

The version of the operating system on which the JVM is running.

Returns:

The oSVersion value

getThreadStackDump

public String getThreadStackDump()

JVM thread dump. Thread dump is available only on 1.5 VM

Returns:

Formatted thread dump string

getUptime

public long getUptime()

The number of milliseconds that the Virtual Machine has been running.

Returns:

The uptime (in milliseconds) of the VM.