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sun.jvm.hotspot.utilities

public Class ProgressiveHeapVisitor

Class Inheritance

extends Object
implements HeapVisitor

java.lang.Object
sun.jvm.hotspot.utilities.ProgressiveHeapVisitor

All Implemented Interfaces

sun.jvm.hotspot.oops.HeapVisitor

Imports

sun.jvm.hotspot.memory.*, sun.jvm.hotspot.oops.*

This class wraps a user's chosen HeapVisitor with the functionality that a chosen "thunk" is called periodically during the heap traversal. This allows a progress bar to be displayed during long heap scans.

Field Summary

Modifier and Type	Field and Description
private double	lastNotificationFraction
private static double	MINIMUM_NOTIFICATION_FRACTION
private HeapProgressThunk	thunk
private long	usedSize
private HeapVisitor	userHeapVisitor
private long	visitedSize

Constructor Summary

Access	Constructor and Description
public	ProgressiveHeapVisitor(HeapVisitor userHeapVisitor, HeapProgressThunk thunk)

Method Summary

Modifier and Type	Method and Description
public boolean	doObj(Oop obj) Implements sun.jvm.hotspot.oops.HeapVisitor.doObj.
public void	epilogue() Implements sun.jvm.hotspot.oops.HeapVisitor.epilogue.
public void	prologue(long usedSize) Implements sun.jvm.hotspot.oops.HeapVisitor.prologue.

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Field Detail

lastNotificationFraction	back to summary
private double lastNotificationFraction

MINIMUM_NOTIFICATION_FRACTION	back to summary
private static double MINIMUM_NOTIFICATION_FRACTION

thunk	back to summary
private HeapProgressThunk thunk

usedSize	back to summary
private long usedSize

userHeapVisitor	back to summary
private HeapVisitor userHeapVisitor

visitedSize	back to summary
private long visitedSize

Constructor Detail

ProgressiveHeapVisitor	back to summary
public ProgressiveHeapVisitor(HeapVisitor userHeapVisitor, HeapProgressThunk thunk)

Method Detail

doObj	back to summary
public boolean doObj(Oop obj) Implements sun.jvm.hotspot.oops.HeapVisitor.doObj.

epilogue	back to summary
public void epilogue() Implements sun.jvm.hotspot.oops.HeapVisitor.epilogue.

prologue	back to summary
public void prologue(long usedSize) Implements sun.jvm.hotspot.oops.HeapVisitor.prologue.