_ 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  * [`ChannelManager`]: crate::ln::channelmanager::ChannelManager
  14  */
  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;
  23         }
  24         @Override @SuppressWarnings("deprecation")
  25         protected void finalize() throws Throwable {
  26                 if (ptr != 0) { bindings.Persister_free(ptr); } super.finalize();
  27         }
  28         /**
  29          * Destroys the object, freeing associated resources. After this call, any access
  30          * to this object may result in a SEGFAULT or worse.
  31          *
  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
  35          * until the GC runs.
  36          */
  37         public void destroy() {
  38                 if (ptr != 0) { bindings.Persister_free(ptr); }
  39                 ptr = 0;
  40         }
  41         public static interface PersisterInterface {
  42                 /**
  43                  * Persist the given ['ChannelManager'] to disk, returning an error if persistence failed.
  44                  *
  45                  * [`ChannelManager`]: crate::ln::channelmanager::ChannelManager
  46                  */
  47                 Result_NoneIOErrorZ persist_manager(ChannelManager channel_manager);
  48                 /**
  49                  * Persist the given [`NetworkGraph`] to disk, returning an error if persistence failed.
  50                  */
  51                 Result_NoneIOErrorZ persist_graph(NetworkGraph network_graph);
  52                 /**
  53                  * Persist the given [`WriteableScore`] to disk, returning an error if persistence failed.
  54                  */
  55                 Result_NoneIOErrorZ persist_scorer(WriteableScore scorer);
  56         }
  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();
  66                                 return result;
  67                         }
  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();
  73                                 return result;
  74                         }
  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();
  81                                 return result;
  82                         }
  83                 });
  84                 return impl_holder.held;
  85         }
  86         /**
  87          * Persist the given ['ChannelManager'] to disk, returning an error if persistence failed.
  88          *
  89          * [`ChannelManager`]: crate::ln::channelmanager::ChannelManager
  90          */
  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); };
  98                 return ret_hu_conv;
  99         }
 100
 101         /**
 102          * Persist the given [`NetworkGraph`] to disk, returning an error if persistence failed.
 103          */
 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); };
 111                 return ret_hu_conv;
 112         }
 113
 114         /**
 115          * Persist the given [`WriteableScore`] to disk, returning an error if persistence failed.
 116          */
 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); };
 124                 return ret_hu_conv;
 125         }
 126
 127 }