X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Forg%2Fldk%2Fstructs%2FMessageHandler.java;h=8d20a72e0ea29b6e9efcbc86e211c237625201fb;hb=1854b5cebef22ace9e9e4dd191f609818df9ce08;hp=389e2a88e1ed032bc3cae30e9bb27adca23724ec;hpb=fed2245c60159f6c074c9ed5c0f3ce273ad9841b;p=ldk-java

diff --git a/src/main/java/org/ldk/structs/MessageHandler.java b/src/main/java/org/ldk/structs/MessageHandler.java
index 389e2a88..8d20a72e 100644
--- a/src/main/java/org/ldk/structs/MessageHandler.java
+++ b/src/main/java/org/ldk/structs/MessageHandler.java
@@ -4,7 +4,13 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import java.lang.ref.Reference;
+import javax.annotation.Nullable;
 
+
+/**
+ * Provides references to trait impls which handle different types of messages.
+ */
 @SuppressWarnings("unchecked") // We correctly assign various generic arrays
 public class MessageHandler extends CommonBase {
 	MessageHandler(Object _dummy, long ptr) { super(ptr); }
@@ -14,33 +20,73 @@ public class MessageHandler extends CommonBase {
 		if (ptr != 0) { bindings.MessageHandler_free(ptr); }
 	}
 
+	/**
+	 * A message handler which handles messages specific to channels. Usually this is just a
+	 * [`ChannelManager`] object or an [`ErroringMessageHandler`].
+	 * 
+	 * [`ChannelManager`]: crate::ln::channelmanager::ChannelManager
+	 */
 	public ChannelMessageHandler get_chan_handler() {
 		long ret = bindings.MessageHandler_get_chan_handler(this.ptr);
+		Reference.reachabilityFence(this);
+		if (ret >= 0 && ret <= 4096) { return null; }
 		ChannelMessageHandler ret_hu_conv = new ChannelMessageHandler(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
 	}
 
+	/**
+	 * A message handler which handles messages specific to channels. Usually this is just a
+	 * [`ChannelManager`] object or an [`ErroringMessageHandler`].
+	 * 
+	 * [`ChannelManager`]: crate::ln::channelmanager::ChannelManager
+	 */
 	public void set_chan_handler(ChannelMessageHandler val) {
 		bindings.MessageHandler_set_chan_handler(this.ptr, val == null ? 0 : val.ptr);
+		Reference.reachabilityFence(this);
+		Reference.reachabilityFence(val);
 		this.ptrs_to.add(val);
 	}
 
+	/**
+	 * A message handler which handles messages updating our knowledge of the network channel
+	 * graph. Usually this is just a [`NetGraphMsgHandler`] object or an
+	 * [`IgnoringMessageHandler`].
+	 * 
+	 * [`NetGraphMsgHandler`]: crate::routing::network_graph::NetGraphMsgHandler
+	 */
 	public RoutingMessageHandler get_route_handler() {
 		long ret = bindings.MessageHandler_get_route_handler(this.ptr);
+		Reference.reachabilityFence(this);
+		if (ret >= 0 && ret <= 4096) { return null; }
 		RoutingMessageHandler ret_hu_conv = new RoutingMessageHandler(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
 	}
 
+	/**
+	 * A message handler which handles messages updating our knowledge of the network channel
+	 * graph. Usually this is just a [`NetGraphMsgHandler`] object or an
+	 * [`IgnoringMessageHandler`].
+	 * 
+	 * [`NetGraphMsgHandler`]: crate::routing::network_graph::NetGraphMsgHandler
+	 */
 	public void set_route_handler(RoutingMessageHandler val) {
 		bindings.MessageHandler_set_route_handler(this.ptr, val == null ? 0 : val.ptr);
+		Reference.reachabilityFence(this);
+		Reference.reachabilityFence(val);
 		this.ptrs_to.add(val);
 	}
 
-	public static MessageHandler constructor_new(ChannelMessageHandler chan_handler_arg, RoutingMessageHandler route_handler_arg) {
+	/**
+	 * Constructs a new MessageHandler given each field
+	 */
+	public static MessageHandler of(ChannelMessageHandler chan_handler_arg, RoutingMessageHandler route_handler_arg) {
 		long ret = bindings.MessageHandler_new(chan_handler_arg == null ? 0 : chan_handler_arg.ptr, route_handler_arg == null ? 0 : route_handler_arg.ptr);
-		MessageHandler ret_hu_conv = new MessageHandler(null, ret);
+		Reference.reachabilityFence(chan_handler_arg);
+		Reference.reachabilityFence(route_handler_arg);
+		if (ret >= 0 && ret <= 4096) { return null; }
+		MessageHandler ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new MessageHandler(null, ret); }
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		ret_hu_conv.ptrs_to.add(chan_handler_arg);
 		ret_hu_conv.ptrs_to.add(route_handler_arg);