_ Git - ldk-java/blob - c_sharp/src/org/ldk/structs/FutureCallback.cs

   1
   2 using org.ldk.impl;
   3 using org.ldk.enums;
   4 using org.ldk.util;
   5 using System;
   6
   7 namespace org { namespace ldk { namespace structs {
   8
   9
  10
  11 /** An implementation of FutureCallback */
  12 public interface FutureCallbackInterface {
  13         /**The method which is called.
  14          */
  15         void call();
  16 }
  17
  18 /**
  19  * A callback which is called when a [`Future`] completes.
  20  *
  21  * Note that this MUST NOT call back into LDK directly, it must instead schedule actions to be
  22  * taken later. Rust users should use the [`std::future::Future`] implementation for [`Future`]
  23  * instead.
  24  *
  25  * Note that the [`std::future::Future`] implementation may only work for runtimes which schedule
  26  * futures when they receive a wake, rather than immediately executing them.
  27  */
  28 public class FutureCallback : CommonBase {
  29         internal bindings.LDKFutureCallback bindings_instance;
  30         internal long instance_idx;
  31
  32         internal FutureCallback(object _dummy, long ptr) : base(ptr) { bindings_instance = null; }
  33         ~FutureCallback() {
  34                 if (ptr != 0) { bindings.FutureCallback_free(ptr); }
  35         }
  36
  37         private class LDKFutureCallbackHolder { internal FutureCallback held; }
  38         private class LDKFutureCallbackImpl : bindings.LDKFutureCallback {
  39                 internal LDKFutureCallbackImpl(FutureCallbackInterface arg, LDKFutureCallbackHolder impl_holder) { this.arg = arg; this.impl_holder = impl_holder; }
  40                 private FutureCallbackInterface arg;
  41                 private LDKFutureCallbackHolder impl_holder;
  42                 public void call() {
  43                         arg.call();
  44                                 GC.KeepAlive(arg);
  45                 }
  46         }
  47
  48         /** Creates a new instance of FutureCallback from a given implementation */
  49         public static FutureCallback new_impl(FutureCallbackInterface arg) {
  50                 LDKFutureCallbackHolder impl_holder = new LDKFutureCallbackHolder();
  51                 LDKFutureCallbackImpl impl = new LDKFutureCallbackImpl(arg, impl_holder);
  52                 long[] ptr_idx = bindings.LDKFutureCallback_new(impl);
  53
  54                 impl_holder.held = new FutureCallback(null, ptr_idx[0]);
  55                 impl_holder.held.instance_idx = ptr_idx[1];
  56                 impl_holder.held.bindings_instance = impl;
  57                 return impl_holder.held;
  58         }
  59
  60         /**
  61          * The method which is called.
  62          */
  63         public void call() {
  64                 bindings.FutureCallback_call(this.ptr);
  65                 GC.KeepAlive(this);
  66         }
  67
  68 }
  69 } } }