Package com.sun.jna

Class CallbackReference


  • public class CallbackReference
    extends WeakReference<Callback>
    Provides a reference to an association between a native callback closure and a Java Callback closure.
    • Method Detail

      • getCallback

        public static Callback getCallback​(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.
        Throws:
        IllegalStateException - if the given pointer has already been mapped to a callback of a different type.
      • findCallbackClass

        static Class<?> findCallbackClass​(Class<?> type)
      • 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 when GC'd.
        Overrides:
        finalize in class Object
      • dispose

        protected void dispose()
        Free native resources associated with this callback.
      • disposeAll

        static void disposeAll()
        Dispose of all memory allocated for callbacks.
      • getFunctionPointer

        public static Pointer getFunctionPointer​(Callback cb)
        Return a Pointer to the native function address for the given callback.