Bindings updates

[ldk-java] / src / main / java / org / ldk / structs / NodeAnnouncementInfo.java

diff --git a/src/main/java/org/ldk/structs/NodeAnnouncementInfo.java b/src/main/java/org/ldk/structs/NodeAnnouncementInfo.java
index 0ce531e5ca9a003b759b849590110126207901eb..f59c055ef35d2b6a8382a148fec2a0f6f96c727b 100644 (file)
--- a/src/main/java/org/ldk/structs/NodeAnnouncementInfo.java
+++ b/src/main/java/org/ldk/structs/NodeAnnouncementInfo.java
@@ -14,15 +14,31 @@ public class NodeAnnouncementInfo extends CommonBase {
                if (ptr != 0) { bindings.NodeAnnouncementInfo_free(ptr); }
        }
 
+       public NodeAnnouncementInfo clone() {
+               long ret = bindings.NodeAnnouncementInfo_clone(this.ptr);
+               NodeAnnouncementInfo ret_hu_conv = new NodeAnnouncementInfo(null, ret);
+               ret_hu_conv.ptrs_to.add(this);
+               return ret_hu_conv;
+       }
+
        public NodeFeatures get_features() {
                long ret = bindings.NodeAnnouncementInfo_get_features(this.ptr);
                NodeFeatures ret_hu_conv = new NodeFeatures(null, ret);
+               ret_hu_conv.ptrs_to.add(this);
                return ret_hu_conv;
        }
 
        public void set_features(NodeFeatures val) {
                bindings.NodeAnnouncementInfo_set_features(this.ptr, val == null ? 0 : val.ptr & ~1);
                this.ptrs_to.add(val);
+               // Due to rust's strict-ownership memory model, in some cases we need to "move"
+               // an object to pass exclusive ownership to the function being called.
+               // In most cases, we avoid this being visible in GC'd languages by cloning the object
+               // at the FFI layer, creating a new object which Rust can claim ownership of
+               // However, in some cases (eg here), there is no way to clone an object, and thus
+               // we actually have to pass full ownership to Rust.
+               // Thus, after this call, val is reset to null and is now a dummy object.
+               val.ptr = 0;
        }
 
        public int get_last_update() {
@@ -60,6 +76,7 @@ public class NodeAnnouncementInfo extends CommonBase {
        public NodeAnnouncement get_announcement_message() {
                long ret = bindings.NodeAnnouncementInfo_get_announcement_message(this.ptr);
                NodeAnnouncement ret_hu_conv = new NodeAnnouncement(null, ret);
+               ret_hu_conv.ptrs_to.add(this);
                return ret_hu_conv;
        }
 
@@ -71,7 +88,16 @@ public class NodeAnnouncementInfo extends CommonBase {
        public static NodeAnnouncementInfo constructor_new(NodeFeatures features_arg, int last_update_arg, byte[] rgb_arg, byte[] alias_arg, NetAddress[] addresses_arg, NodeAnnouncement announcement_message_arg) {
                long ret = bindings.NodeAnnouncementInfo_new(features_arg == null ? 0 : features_arg.ptr & ~1, last_update_arg, rgb_arg, alias_arg, Arrays.stream(addresses_arg).mapToLong(arr_conv_12 -> arr_conv_12.ptr).toArray(), announcement_message_arg == null ? 0 : announcement_message_arg.ptr & ~1);
                NodeAnnouncementInfo ret_hu_conv = new NodeAnnouncementInfo(null, ret);
+               ret_hu_conv.ptrs_to.add(ret_hu_conv);
                ret_hu_conv.ptrs_to.add(features_arg);
+               // Due to rust's strict-ownership memory model, in some cases we need to "move"
+               // an object to pass exclusive ownership to the function being called.
+               // In most cases, we avoid ret_hu_conv being visible in GC'd languages by cloning the object
+               // at the FFI layer, creating a new object which Rust can claim ownership of
+               // However, in some cases (eg here), there is no way to clone an object, and thus
+               // we actually have to pass full ownership to Rust.
+               // Thus, after ret_hu_conv call, features_arg is reset to null and is now a dummy object.
+               features_arg.ptr = 0;
                /* TODO 2 NetAddress  */;
                ret_hu_conv.ptrs_to.add(announcement_message_arg);
                return ret_hu_conv;