Interface ClassObjectReference

All Superinterfaces:

Mirror, ObjectReference, Value

public interface ClassObjectReference
extends ObjectReference

An instance of java.lang.Class from the target VM. Use this interface to access type information for the class, array, or interface that this object reflects.

Since:

1.3

See Also:

• ReferenceType

Field Summary

Fields declared in interface ObjectReference

INVOKE_NONVIRTUAL, INVOKE_SINGLE_THREADED

Modifier and Type	Field	Description
static final int	INVOKE_NONVIRTUAL	Perform non-virtual method invocation
static final int	INVOKE_SINGLE_THREADED	Perform method invocation with only the invoking thread resumed

Method Summary

Modifier and Type	Method	Description
ReferenceType	reflectedType()	Returns the ReferenceType corresponding to this class object.

Methods declared in interface Mirror

toString, virtualMachine

Modifier and Type	Method	Description
String	toString()	Returns a String describing this mirror
VirtualMachine	virtualMachine()	Gets the VirtualMachine to which this Mirror belongs.

Methods declared in interface ObjectReference

disableCollection, enableCollection, entryCount, equals, getValue, getValues, hashCode, invokeMethod, isCollected, owningThread, referenceType, referringObjects, setValue, uniqueID, waitingThreads

Modifier and Type	Method	Description
void	disableCollection()	Prevents garbage collection for this object.
void	enableCollection()	Permits garbage collection for this object.
int	entryCount()	Returns the number of times this object's monitor has been entered by the current owning thread if the owning thread is platform thread; Returns 0 if not owned by a platform thread.
boolean	equals(Object obj)	Compares the specified Object with this ObjectReference for equality.
Value	getValue(Field sig)	Gets the value of a given instance or static field in this object.
Map<Field,Value>	getValues(List<? extends Field> fields)	Gets the value of multiple instance and/or static fields in this object.
int	hashCode()	Returns the hash code value for this ObjectReference.
Value	invokeMethod(ThreadReference thread, Method method, List<? extends Value> arguments, int options)	Invokes the specified Method on this object in the target VM.
boolean	isCollected()	Determines if this object has been garbage collected in the target VM.
ThreadReference	owningThread()	Returns a ThreadReference for the platform thread, if any, which currently owns this object's monitor.
ReferenceType	referenceType()	Gets the ReferenceType that mirrors the type of this object.
List<ObjectReference>	referringObjects(long maxReferrers)	Returns objects that directly reference this object.
void	setValue(Field field, Value value)	Sets the value of a given instance or static field in this object.
long	uniqueID()	Returns a unique identifier for this ObjectReference.
List<ThreadReference>	waitingThreads()	Returns a List containing a ThreadReference for each platform thread currently waiting for this object's monitor.

Methods declared in interface Value

type

Modifier and Type	Method	Description
Type	type()	Returns the run-time type of this value.

Method Details

reflectedType

ReferenceType reflectedType()

Returns the ReferenceType corresponding to this class object. The returned type can be used to obtain detailed information about the class.

Returns:

the ReferenceType reflected by this class object.