Interface GarbageCollectorMXBean

All Superinterfaces:

GarbageCollectorMXBean, MemoryManagerMXBean, PlatformManagedObject

public interface GarbageCollectorMXBean
extends GarbageCollectorMXBean

Platform-specific management interface for a garbage collector which performs collections in cycles.

This platform extension is only available to the garbage collection implementation that supports this extension.

Since:

1.5

Method Summary

Modifier and Type	Method	Description
GcInfo	getLastGcInfo()	Returns the GC information about the most recent GC.

Methods declared in interface GarbageCollectorMXBean

getCollectionCount, getCollectionTime

Modifier and Type	Method	Description
long	getCollectionCount()	Returns the total number of collections that have occurred.
long	getCollectionTime()	Returns the approximate accumulated collection elapsed time in milliseconds.

Methods declared in interface MemoryManagerMXBean

getMemoryPoolNames, getName, isValid

Modifier and Type	Method	Description
String[]	getMemoryPoolNames()	Returns the name of memory pools that this memory manager manages.
String	getName()	Returns the name representing this memory manager.
boolean	isValid()	Tests if this memory manager is valid in the Java virtual machine.

Methods declared in interface PlatformManagedObject

getObjectName

Modifier and Type	Method	Description
ObjectName	getObjectName()	Returns an ObjectName instance representing the object name of this platform managed object.

Method Details

getLastGcInfo

GcInfo getLastGcInfo()

Returns the GC information about the most recent GC. This method returns a GcInfo. If no GC information is available, null is returned. The collector-specific attributes, if any, can be obtained via the CompositeData interface.

MBeanServer access: The mapped type of GcInfo is CompositeData with attributes specified in GcInfo.

Returns:

a GcInfo object representing the most GC information; or null if no GC information available.