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`], [`NetworkGraph`], and [`WriteableScore`] to disk.
13 * [`ChannelManager`]: crate::ln::channelmanager::ChannelManager
15 @SuppressWarnings("unchecked") // We correctly assign various generic arrays
16 public class Persister extends CommonBase {
17 final bindings.LDKPersister bindings_instance;
18 Persister(Object _dummy, long ptr) { super(ptr); bindings_instance = null; }
19 private Persister(bindings.LDKPersister arg) {
20 super(bindings.LDKPersister_new(arg));
21 this.ptrs_to.add(arg);
22 this.bindings_instance = arg;
24 @Override @SuppressWarnings("deprecation")
25 protected void finalize() throws Throwable {
26 if (ptr != 0) { bindings.Persister_free(ptr); } super.finalize();
29 * Destroys the object, freeing associated resources. After this call, any access
30 * to this object may result in a SEGFAULT or worse.
32 * You should generally NEVER call this method. You should let the garbage collector
33 * do this for you when it finalizes objects. However, it may be useful for types
34 * which represent locks and should be closed immediately to avoid holding locks
37 public void destroy() {
38 if (ptr != 0) { bindings.Persister_free(ptr); }
41 public static interface PersisterInterface {
43 * Persist the given ['ChannelManager'] to disk, returning an error if persistence failed.
45 * [`ChannelManager`]: crate::ln::channelmanager::ChannelManager
47 Result_NoneIOErrorZ persist_manager(ChannelManager channel_manager);
49 * Persist the given [`NetworkGraph`] to disk, returning an error if persistence failed.
51 Result_NoneIOErrorZ persist_graph(NetworkGraph network_graph);
53 * Persist the given [`WriteableScore`] to disk, returning an error if persistence failed.
55 Result_NoneIOErrorZ persist_scorer(WriteableScore scorer);
57 private static class LDKPersisterHolder { Persister held; }
58 public static Persister new_impl(PersisterInterface arg) {
59 final LDKPersisterHolder impl_holder = new LDKPersisterHolder();
60 impl_holder.held = new Persister(new bindings.LDKPersister() {
61 @Override public long persist_manager(long channel_manager) {
62 org.ldk.structs.ChannelManager channel_manager_hu_conv = null; if (channel_manager < 0 || channel_manager > 4096) { channel_manager_hu_conv = new org.ldk.structs.ChannelManager(null, channel_manager); }
63 Result_NoneIOErrorZ ret = arg.persist_manager(channel_manager_hu_conv);
64 Reference.reachabilityFence(arg);
65 long result = ret.clone_ptr();
68 @Override public long persist_graph(long network_graph) {
69 org.ldk.structs.NetworkGraph network_graph_hu_conv = null; if (network_graph < 0 || network_graph > 4096) { network_graph_hu_conv = new org.ldk.structs.NetworkGraph(null, network_graph); }
70 Result_NoneIOErrorZ ret = arg.persist_graph(network_graph_hu_conv);
71 Reference.reachabilityFence(arg);
72 long result = ret.clone_ptr();
75 @Override public long persist_scorer(long scorer) {
76 WriteableScore ret_hu_conv = new WriteableScore(null, scorer);
77 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(this); };
78 Result_NoneIOErrorZ ret = arg.persist_scorer(ret_hu_conv);
79 Reference.reachabilityFence(arg);
80 long result = ret.clone_ptr();
84 return impl_holder.held;
87 * Persist the given ['ChannelManager'] to disk, returning an error if persistence failed.
89 * [`ChannelManager`]: crate::ln::channelmanager::ChannelManager
91 public Result_NoneIOErrorZ persist_manager(org.ldk.structs.ChannelManager channel_manager) {
92 long ret = bindings.Persister_persist_manager(this.ptr, channel_manager.ptr);
93 Reference.reachabilityFence(this);
94 Reference.reachabilityFence(channel_manager);
95 if (ret >= 0 && ret <= 4096) { return null; }
96 Result_NoneIOErrorZ ret_hu_conv = Result_NoneIOErrorZ.constr_from_ptr(ret);
97 if (this != null) { this.ptrs_to.add(channel_manager); };
102 * Persist the given [`NetworkGraph`] to disk, returning an error if persistence failed.
104 public Result_NoneIOErrorZ persist_graph(org.ldk.structs.NetworkGraph network_graph) {
105 long ret = bindings.Persister_persist_graph(this.ptr, network_graph.ptr);
106 Reference.reachabilityFence(this);
107 Reference.reachabilityFence(network_graph);
108 if (ret >= 0 && ret <= 4096) { return null; }
109 Result_NoneIOErrorZ ret_hu_conv = Result_NoneIOErrorZ.constr_from_ptr(ret);
110 if (this != null) { this.ptrs_to.add(network_graph); };
115 * Persist the given [`WriteableScore`] to disk, returning an error if persistence failed.
117 public Result_NoneIOErrorZ persist_scorer(org.ldk.structs.WriteableScore scorer) {
118 long ret = bindings.Persister_persist_scorer(this.ptr, scorer.ptr);
119 Reference.reachabilityFence(this);
120 Reference.reachabilityFence(scorer);
121 if (ret >= 0 && ret <= 4096) { return null; }
122 Result_NoneIOErrorZ ret_hu_conv = Result_NoneIOErrorZ.constr_from_ptr(ret);
123 if (this != null) { this.ptrs_to.add(scorer); };