_ Git - ldk-java/blob - src/main/java/org/ldk/structs/ReadOnlyNetworkGraph.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 /**
  12  * A read-only view of [`NetworkGraph`].
  13  */
  14 @SuppressWarnings("unchecked") // We correctly assign various generic arrays
  15 public class ReadOnlyNetworkGraph extends CommonBase implements AutoCloseable {
  16         ReadOnlyNetworkGraph(Object _dummy, long ptr) { super(ptr); }
  17         @Override public void close() {
  18                 if (ptr != 0) { bindings.ReadOnlyNetworkGraph_free(ptr); }
  19         }
  20
  21         /**
  22          * Returns information on a channel with the given id.
  23          *
  24          * Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None
  25          */
  26         @Nullable
  27         public ChannelInfo channel(long short_channel_id) {
  28                 long ret = bindings.ReadOnlyNetworkGraph_channel(this.ptr, short_channel_id);
  29                 Reference.reachabilityFence(this);
  30                 Reference.reachabilityFence(short_channel_id);
  31                 if (ret >= 0 && ret <= 4096) { return null; }
  32                 org.ldk.structs.ChannelInfo ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.ChannelInfo(null, ret); }
  33                 ret_hu_conv.ptrs_to.add(this);
  34                 return ret_hu_conv;
  35         }
  36
  37         /**
  38          * Returns information on a node with the given id.
  39          *
  40          * Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None
  41          */
  42         @Nullable
  43         public NodeInfo node(NodeId node_id) {
  44                 long ret = bindings.ReadOnlyNetworkGraph_node(this.ptr, node_id == null ? 0 : node_id.ptr & ~1);
  45                 Reference.reachabilityFence(this);
  46                 Reference.reachabilityFence(node_id);
  47                 if (ret >= 0 && ret <= 4096) { return null; }
  48                 org.ldk.structs.NodeInfo ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.NodeInfo(null, ret); }
  49                 ret_hu_conv.ptrs_to.add(this);
  50                 this.ptrs_to.add(node_id);
  51                 return ret_hu_conv;
  52         }
  53
  54         /**
  55          * Get network addresses by node id.
  56          * Returns None if the requested node is completely unknown,
  57          * or if node announcement for the node was never received.
  58          */
  59         public Option_CVec_NetAddressZZ get_addresses(byte[] pubkey) {
  60                 long ret = bindings.ReadOnlyNetworkGraph_get_addresses(this.ptr, InternalUtils.check_arr_len(pubkey, 33));
  61                 Reference.reachabilityFence(this);
  62                 Reference.reachabilityFence(pubkey);
  63                 if (ret >= 0 && ret <= 4096) { return null; }
  64                 org.ldk.structs.Option_CVec_NetAddressZZ ret_hu_conv = org.ldk.structs.Option_CVec_NetAddressZZ.constr_from_ptr(ret);
  65                 ret_hu_conv.ptrs_to.add(this);
  66                 return ret_hu_conv;
  67         }
  68
  69 }