com.oracle.svm.core.heap

Interface ObjectVisitor

All Known Implementing Classes:

CardTable.ReferenceToYoungObjectVisitor, ClassHistogramVisitor, GCImpl.RememberedSetConstructor, GreyToBlackObjectVisitor

public interface ObjectVisitor

Supply a closure to be applied to Objects.

Method Summary

Modifier and Type	Method and Description
default boolean	epilogue() Called after all Objects have been visited.
default boolean	prologue() Called before any Objects are visited.
boolean	visitObject(Object o) Visit an Object.
default boolean	visitObjectInline(Object o) Like visitObject(Object), but inlined for performance.

Method Detail

prologue

default boolean prologue()

Called before any Objects are visited. For example, from the client who creates the ObjectVisitor.

Returns:

true if visiting should continue, false if visiting should stop.

visitObject

boolean visitObject(Object o)

Visit an Object.

Parameters:

o - The Object to be visited.

Returns:

true if visiting should continue, false if visiting should stop.

visitObjectInline

default boolean visitObjectInline(Object o)

Like visitObject(Object), but inlined for performance.

epilogue

default boolean epilogue()

Called after all Objects have been visited. For example, from the client who creates the ObjectVisitor. If visiting terminates because a visitor returned false, this method might not be called.

Returns:

true if the epilogue executed successfully, false otherwise.