Module openj9.dtfj

Package com.ibm.j9ddr.vm29.j9.gc

Class GCObjectHeapIterator

java.lang.Object

com.ibm.j9ddr.vm29.j9.gc.GCBase

com.ibm.j9ddr.vm29.j9.gc.GCIterator

com.ibm.j9ddr.vm29.j9.gc.GCObjectHeapIterator

All Implemented Interfaces:

SlotIterator, Iterator

Direct Known Subclasses:

GCObjectHeapIteratorMarkMapIterator_V1, GCObjectHeapIteratorNullIterator

public abstract class GCObjectHeapIterator
extends GCIterator

Field Summary

Fields

Modifier and Type	Field	Description
protected boolean	includeDeadObjects
protected boolean	includeLiveObjects

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	GCObjectHeapIterator(boolean includeLiveObjects, boolean includeDeadObjects)

Method Summary

Modifier and Type	Method	Description
abstract void	advance(UDATA size)
static GCObjectHeapIterator	fromHeapRegionDescriptor(GCHeapRegionDescriptor hrd, boolean includeLiveObjects, boolean includeDeadObjects)
static GCObjectHeapIterator	fromHeapRegionDescriptor(com.ibm.j9ddr.vm29.pointer.generated.MM_HeapRegionDescriptorPointer hrd, boolean includeLiveObjects, boolean includeDeadObjects)
abstract com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer	peek()

Methods declared in class com.ibm.j9ddr.vm29.j9.gc.GCBase

getExtensions, getJavaVM

Methods declared in class java.lang.Object

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

Methods declared in interface java.util.Iterator

forEachRemaining, hasNext, next, remove

Methods declared in interface com.ibm.j9ddr.vm29.j9.SlotIterator

nextAddress

Field Detail

includeLiveObjects

protected boolean includeLiveObjects

includeDeadObjects

protected boolean includeDeadObjects

Constructor Detail

GCObjectHeapIterator

protected GCObjectHeapIterator(boolean includeLiveObjects,
                               boolean includeDeadObjects)
                        throws CorruptDataException

Throws:

CorruptDataException

Method Detail

fromHeapRegionDescriptor

public static GCObjectHeapIterator fromHeapRegionDescriptor(com.ibm.j9ddr.vm29.pointer.generated.MM_HeapRegionDescriptorPointer hrd,
                                                            boolean includeLiveObjects,
                                                            boolean includeDeadObjects)
                                                     throws CorruptDataException

Throws:

CorruptDataException

fromHeapRegionDescriptor

public static GCObjectHeapIterator fromHeapRegionDescriptor(GCHeapRegionDescriptor hrd,
                                                            boolean includeLiveObjects,
                                                            boolean includeDeadObjects)
                                                     throws CorruptDataException

Throws:

CorruptDataException

peek

public abstract com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer peek()

advance

public abstract void advance(UDATA size)