_ 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`], [`NetworkGraph`], and [`WriteableScore`] 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          * Destroys the object, freeing associated resources. After this call, any access
  28          * to this object may result in a SEGFAULT or worse.
  29          *
  30          * You should generally NEVER call this method. You should let the garbage collector
  31          * do this for you when it finalizes objects. However, it may be useful for types
  32          * which represent locks and should be closed immediately to avoid holding locks
  33          * until the GC runs.
  34          */
  35         public void destroy() {
  36                 if (ptr != 0) { bindings.Persister_free(ptr); }
  37                 ptr = 0;
  38         }
  39         public static interface PersisterInterface {
  40                 /**
  41                  * Persist the given ['ChannelManager'] to disk, returning an error if persistence failed.
  42                  */
  43                 Result_NoneIOErrorZ persist_manager(ChannelManager channel_manager);
  44                 /**
  45                  * Persist the given [`NetworkGraph`] to disk, returning an error if persistence failed.
  46                  */
  47                 Result_NoneIOErrorZ persist_graph(NetworkGraph network_graph);
  48                 /**
  49                  * Persist the given [`WriteableScore`] to disk, returning an error if persistence failed.
  50                  */
  51                 Result_NoneIOErrorZ persist_scorer(WriteableScore scorer);
  52         }
  53         private static class LDKPersisterHolder { Persister held; }
  54         public static Persister new_impl(PersisterInterface arg) {
  55                 final LDKPersisterHolder impl_holder = new LDKPersisterHolder();
  56                 impl_holder.held = new Persister(new bindings.LDKPersister() {
  57                         @Override public long persist_manager(long channel_manager) {
  58                                 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); }
  59                                 Result_NoneIOErrorZ ret = arg.persist_manager(channel_manager_hu_conv);
  60                                 Reference.reachabilityFence(arg);
  61                                 long result = ret == null ? 0 : ret.clone_ptr();
  62                                 return result;
  63                         }
  64                         @Override public long persist_graph(long network_graph) {
  65                                 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); }
  66                                 Result_NoneIOErrorZ ret = arg.persist_graph(network_graph_hu_conv);
  67                                 Reference.reachabilityFence(arg);
  68                                 long result = ret == null ? 0 : ret.clone_ptr();
  69                                 return result;
  70                         }
  71                         @Override public long persist_scorer(long scorer) {
  72                                 WriteableScore ret_hu_conv = new WriteableScore(null, scorer);
  73                                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(this); };
  74                                 Result_NoneIOErrorZ ret = arg.persist_scorer(ret_hu_conv);
  75                                 Reference.reachabilityFence(arg);
  76                                 long result = ret == null ? 0 : ret.clone_ptr();
  77                                 return result;
  78                         }
  79                 });
  80                 return impl_holder.held;
  81         }
  82         /**
  83          * Persist the given ['ChannelManager'] to disk, returning an error if persistence failed.
  84          */
  85         public Result_NoneIOErrorZ persist_manager(org.ldk.structs.ChannelManager channel_manager) {
  86                 long ret = bindings.Persister_persist_manager(this.ptr, channel_manager == null ? 0 : channel_manager.ptr);
  87                 Reference.reachabilityFence(this);
  88                 Reference.reachabilityFence(channel_manager);
  89                 if (ret >= 0 && ret <= 4096) { return null; }
  90                 Result_NoneIOErrorZ ret_hu_conv = Result_NoneIOErrorZ.constr_from_ptr(ret);
  91                 if (this != null) { this.ptrs_to.add(channel_manager); };
  92                 return ret_hu_conv;
  93         }
  94
  95         /**
  96          * Persist the given [`NetworkGraph`] to disk, returning an error if persistence failed.
  97          */
  98         public Result_NoneIOErrorZ persist_graph(org.ldk.structs.NetworkGraph network_graph) {
  99                 long ret = bindings.Persister_persist_graph(this.ptr, network_graph == null ? 0 : network_graph.ptr);
 100                 Reference.reachabilityFence(this);
 101                 Reference.reachabilityFence(network_graph);
 102                 if (ret >= 0 && ret <= 4096) { return null; }
 103                 Result_NoneIOErrorZ ret_hu_conv = Result_NoneIOErrorZ.constr_from_ptr(ret);
 104                 if (this != null) { this.ptrs_to.add(network_graph); };
 105                 return ret_hu_conv;
 106         }
 107
 108         /**
 109          * Persist the given [`WriteableScore`] to disk, returning an error if persistence failed.
 110          */
 111         public Result_NoneIOErrorZ persist_scorer(org.ldk.structs.WriteableScore scorer) {
 112                 long ret = bindings.Persister_persist_scorer(this.ptr, scorer.ptr);
 113                 Reference.reachabilityFence(this);
 114                 Reference.reachabilityFence(scorer);
 115                 if (ret >= 0 && ret <= 4096) { return null; }
 116                 Result_NoneIOErrorZ ret_hu_conv = Result_NoneIOErrorZ.constr_from_ptr(ret);
 117                 if (this != null) { this.ptrs_to.add(scorer); };
 118                 return ret_hu_conv;
 119         }
 120
 121 }