Class NativeObjectHandles

java.lang.Object

org.graalvm.nativebridge.NativeObjectHandles

public final class NativeObjectHandles
extends Object

A support class for mapping objects in the native image isolate to long handles.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static final class	NativeObjectHandles.InvalidHandleException	An exception thrown when an invalid handle is resolved.

Method Summary

Modifier and Type	Method	Description
static long	create(Object object)	Creates a handle for the object.
static void	remove(long handle)	Removes a handle.
static <T> T	resolve(long handle, Class<T> type)	Resolves a handle into an object.

Methods inherited from class java.lang.Object

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

Method Details

create

public static long create(Object object)

Creates a handle for the object. Unless the handle is removed the object stays strongly reachable.

resolve

public static <T> T resolve(long handle,
 Class<T> type)

Resolves a handle into an object.

Throws:

NativeObjectHandles.InvalidHandleException - if the handle is either already removed or invalid.

remove

public static void remove(long handle)

Removes a handle. Allows an object identified by the handle to be garbage collected.