WebLogic Server 8.1 API Reference: Interface JVMRuntimeMBean

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WebLogic Server 8.1 API Reference

weblogic.management.runtime
Interface JVMRuntimeMBean

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.

Author:: Copyright © 2004 BEA Systems, Inc. All Rights Reserved.

Method Summary
`long`	`getHeapFreeCurrent()` Returns the current amount of free memory (in bytes) in the JVM heap.
`long`	`getHeapSizeCurrent()` Returns the current size (in bytes) of the JVM heap.
`java.lang.String`	`getJavaVendor()` Returns the vendor of the JVM.
`java.lang.String`	`getJavaVersion()` Returns the Java version of the JVM.
`java.lang.String`	`getJavaVMVendor()` Returns the vendor of the VM.
`java.lang.String`	`getOSName()` Returns the operating system on which the JVM is running.
`java.lang.String`	`getOSVersion()` Returns the operating-system version on which the JVM is 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, 
preRegister

Methods inherited from interface javax.management.NotificationBroadcaster

addNotificationListener, 
getNotificationInfo, 
removeNotificationListener

Method Detail

getHeapFreeCurrent

public long getHeapFreeCurrent()

Returns the current amount of free memory (in bytes) in the JVM heap.

Returns:: The heapFreeCurrent value

getHeapSizeCurrent

public long getHeapSizeCurrent()

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

Returns:: The heapSizeCurrent value

getJavaVersion

public java.lang.String getJavaVersion()

Returns the Java version of the JVM.

Returns:: The javaVersion value

getJavaVendor

public java.lang.String getJavaVendor()

Returns the vendor of the JVM. system property java.vendor is returned

Returns:: The javaVendor value

getJavaVMVendor

public java.lang.String getJavaVMVendor()

Returns the vendor of the VM. system property java.vm.vendor is returned

getOSName

public java.lang.String getOSName()

Returns the operating system on which the JVM is running.

Returns:: The oSName value

getOSVersion

public java.lang.String getOSVersion()

Returns the operating-system version on which the JVM is running.

Returns:: The oSVersion value