_ Git - ldk-java/blob - src/main/java/org/ldk/structs/Persister.java

   1 package org.ldk.structs;
   2
   3 import org.ldk.impl.bindings;
   4 import org.ldk.enums.*;
   5 import org.ldk.util.*;
   6 import java.util.Arrays;
   7 import java.lang.ref.Reference;
   8 import javax.annotation.Nullable;
   9
  10 /**
  11  * Trait that handles persisting a [`ChannelManager`] and [`NetworkGraph`] to disk.
  12  */
  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;
  21         }
  22         @Override @SuppressWarnings("deprecation")
  23         protected void finalize() throws Throwable {
  24                 if (ptr != 0) { bindings.Persister_free(ptr); } super.finalize();
  25         }
  26
  27         public static interface PersisterInterface {
  28                 /**
  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).
  31                  */
  32                 Result_NoneErrorZ persist_manager(ChannelManager channel_manager);
  33                 /**
  34                  * Persist the given [`NetworkGraph`] to disk, returning an error if persistence failed.
  35                  */
  36                 Result_NoneErrorZ persist_graph(NetworkGraph network_graph);
  37         }
  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();
  47                                 return result;
  48                         }
  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();
  54                                 return result;
  55                         }
  56                 });
  57                 return impl_holder.held;
  58         }
  59         /**
  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).
  62          */
  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);
  70                 return ret_hu_conv;
  71         }
  72
  73         /**
  74          * Persist the given [`NetworkGraph`] to disk, returning an error if persistence failed.
  75          */
  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);
  83                 return ret_hu_conv;
  84         }
  85
  86 }