com.sun.jna

Class CallbackReference

java.lang.Object

java.lang.ref.Reference<T>

java.lang.ref.WeakReference

com.sun.jna.CallbackReference

 class CallbackReference
extends java.lang.ref.WeakReference

Provides a reference to an association between a native callback closure and a Java Callback closure.

Field Summary

Fields

Modifier and Type	Field and Description
(package private) static java.util.Map	altCallbackMap
(package private) static java.util.Map	callbackMap
(package private) Pointer	cbstruct
(package private) CallbackProxy	proxy

Method Summary

Methods

Modifier and Type	Method and Description
protected void	finalize() Free native resources associated with this callback.
static Callback	getCallback(java.lang.Class type, Pointer p) Return a Callback associated with the given function pointer.
static Pointer	getFunctionPointer(Callback cb) Return a Pointer to the native function address for the given callback.
Pointer	getTrampoline() Obtain a pointer to the native glue code for this callback.

Methods inherited from class java.lang.ref.Reference

clear, enqueue, get, isEnqueued

Methods inherited from class java.lang.Object

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

Field Detail

callbackMap

static final java.util.Map callbackMap

altCallbackMap

static final java.util.Map altCallbackMap

cbstruct

Pointer cbstruct

proxy

CallbackProxy proxy

Method Detail

getCallback

public static Callback getCallback(java.lang.Class type,
                   Pointer p)

Return a Callback associated with the given function pointer. If the pointer refers to a Java callback trampoline, return the original Java Callback. Otherwise, return a proxy to the native function pointer.

getTrampoline

public Pointer getTrampoline()

Obtain a pointer to the native glue code for this callback.

finalize

protected void finalize()

Free native resources associated with this callback.

Overrides:

finalize in class java.lang.Object

getFunctionPointer

public static Pointer getFunctionPointer(Callback cb)

Return a Pointer to the native function address for the given callback.