1 package org.ldk.structs;
3 import org.ldk.impl.bindings;
4 import org.ldk.enums.*;
6 import java.util.Arrays;
7 import java.lang.ref.Reference;
8 import javax.annotation.Nullable;
11 * Trait that handles persisting a [`ChannelManager`] and [`NetworkGraph`] to disk.
13 @SuppressWarnings("unchecked") // We correctly assign various generic arrays
14 public class Persister extends CommonBase {
15 final bindings.LDKPersister bindings_instance;
16 Persister(Object _dummy, long ptr) { super(ptr); bindings_instance = null; }
17 private Persister(bindings.LDKPersister arg) {
18 super(bindings.LDKPersister_new(arg));
19 this.ptrs_to.add(arg);
20 this.bindings_instance = arg;
22 @Override @SuppressWarnings("deprecation")
23 protected void finalize() throws Throwable {
24 if (ptr != 0) { bindings.Persister_free(ptr); } super.finalize();
27 public static interface PersisterInterface {
29 * Persist the given [`ChannelManager`] to disk, returning an error if persistence failed
30 * (which will cause the [`BackgroundProcessor`] which called this method to exit).
32 Result_NoneErrorZ persist_manager(ChannelManager channel_manager);
34 * Persist the given [`NetworkGraph`] to disk, returning an error if persistence failed.
36 Result_NoneErrorZ persist_graph(NetworkGraph network_graph);
38 private static class LDKPersisterHolder { Persister held; }
39 public static Persister new_impl(PersisterInterface arg) {
40 final LDKPersisterHolder impl_holder = new LDKPersisterHolder();
41 impl_holder.held = new Persister(new bindings.LDKPersister() {
42 @Override public long persist_manager(long channel_manager) {
43 ChannelManager channel_manager_hu_conv = null; if (channel_manager < 0 || channel_manager > 4096) { channel_manager_hu_conv = new ChannelManager(null, channel_manager); }
44 Result_NoneErrorZ ret = arg.persist_manager(channel_manager_hu_conv);
45 Reference.reachabilityFence(arg);
46 long result = ret == null ? 0 : ret.clone_ptr();
49 @Override public long persist_graph(long network_graph) {
50 NetworkGraph network_graph_hu_conv = null; if (network_graph < 0 || network_graph > 4096) { network_graph_hu_conv = new NetworkGraph(null, network_graph); }
51 Result_NoneErrorZ ret = arg.persist_graph(network_graph_hu_conv);
52 Reference.reachabilityFence(arg);
53 long result = ret == null ? 0 : ret.clone_ptr();
57 return impl_holder.held;
60 * Persist the given [`ChannelManager`] to disk, returning an error if persistence failed
61 * (which will cause the [`BackgroundProcessor`] which called this method to exit).
63 public Result_NoneErrorZ persist_manager(ChannelManager channel_manager) {
64 long ret = bindings.Persister_persist_manager(this.ptr, channel_manager == null ? 0 : channel_manager.ptr & ~1);
65 Reference.reachabilityFence(this);
66 Reference.reachabilityFence(channel_manager);
67 if (ret >= 0 && ret <= 4096) { return null; }
68 Result_NoneErrorZ ret_hu_conv = Result_NoneErrorZ.constr_from_ptr(ret);
69 this.ptrs_to.add(channel_manager);
74 * Persist the given [`NetworkGraph`] to disk, returning an error if persistence failed.
76 public Result_NoneErrorZ persist_graph(NetworkGraph network_graph) {
77 long ret = bindings.Persister_persist_graph(this.ptr, network_graph == null ? 0 : network_graph.ptr & ~1);
78 Reference.reachabilityFence(this);
79 Reference.reachabilityFence(network_graph);
80 if (ret >= 0 && ret <= 4096) { return null; }
81 Result_NoneErrorZ ret_hu_conv = Result_NoneErrorZ.constr_from_ptr(ret);
82 this.ptrs_to.add(network_graph);