Properly handle java refs in traits returning traits

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

diff --git a/src/main/java/org/ldk/structs/SocketDescriptor.java b/src/main/java/org/ldk/structs/SocketDescriptor.java
index ae56a98315ff2b6522757d88fa371073cf157b79..0784a608532103f2ce560ce8dc2f67cc7b8a812a 100644 (file)
--- a/src/main/java/org/ldk/structs/SocketDescriptor.java
+++ b/src/main/java/org/ldk/structs/SocketDescriptor.java
@@ -7,16 +7,46 @@ import java.util.Arrays;
 
 @SuppressWarnings("unchecked") // We correctly assign various generic arrays
 public class SocketDescriptor extends CommonBase {
-       SocketDescriptor(Object _dummy, long ptr) { super(ptr); }
-       public SocketDescriptor(bindings.LDKSocketDescriptor arg) {
+       final bindings.LDKSocketDescriptor bindings_instance;
+       SocketDescriptor(Object _dummy, long ptr) { super(ptr); bindings_instance = null; }
+       private SocketDescriptor(bindings.LDKSocketDescriptor arg) {
                super(bindings.LDKSocketDescriptor_new(arg));
                this.ptrs_to.add(arg);
+               this.bindings_instance = arg;
        }
        @Override @SuppressWarnings("deprecation")
        protected void finalize() throws Throwable {
-               bindings.SocketDescriptor_free(ptr); super.finalize();
+               if (ptr != 0) { bindings.SocketDescriptor_free(ptr); } super.finalize();
        }
 
+       public static interface SocketDescriptorInterface {
+               long send_data(byte[] data, boolean resume_read);
+               void disconnect_socket();
+               boolean eq(long other_arg);
+               long hash();
+       }
+       private static class LDKSocketDescriptorHolder { SocketDescriptor held; }
+       public static SocketDescriptor new_impl(SocketDescriptorInterface arg) {
+               final LDKSocketDescriptorHolder impl_holder = new LDKSocketDescriptorHolder();
+               impl_holder.held = new SocketDescriptor(new bindings.LDKSocketDescriptor() {
+                       @Override public long send_data(byte[] data, boolean resume_read) {
+                               long ret = arg.send_data(data, resume_read);
+                               return ret;
+                       }
+                       @Override public void disconnect_socket() {
+                               arg.disconnect_socket();
+                       }
+                       @Override public boolean eq(long other_arg) {
+                               boolean ret = arg.eq(other_arg);
+                               return ret;
+                       }
+                       @Override public long hash() {
+                               long ret = arg.hash();
+                               return ret;
+                       }
+               });
+               return impl_holder.held;
+       }
        public long send_data(byte[] data, boolean resume_read) {
                long ret = bindings.SocketDescriptor_send_data(this.ptr, data, resume_read);
                return ret;