From c7784f18e9c13a6797f7aeabaec9d2c152fc9139 Mon Sep 17 00:00:00 2001
From: Adam Miller <adam@archive.org>
Date: Mon, 21 Apr 2025 17:20:38 -0700
Subject: [PATCH] feat: Add serializer for Histotable used by
 HighestUriPrecedenceProvider

---
 commons/src/main/java/org/archive/bdb/KryoBinding.java | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/commons/src/main/java/org/archive/bdb/KryoBinding.java b/commons/src/main/java/org/archive/bdb/KryoBinding.java
index 97561e9b..65e728a5 100644
--- a/commons/src/main/java/org/archive/bdb/KryoBinding.java
+++ b/commons/src/main/java/org/archive/bdb/KryoBinding.java
@@ -22,9 +22,11 @@ import com.esotericsoftware.kryo.Kryo;
 import com.esotericsoftware.kryo.io.Input;
 import com.esotericsoftware.kryo.io.Output;
 import com.esotericsoftware.kryo.serializers.DefaultSerializers;
+import com.esotericsoftware.kryo.serializers.FieldSerializer;
 import com.esotericsoftware.kryo.util.Pool;
 import com.sleepycat.bind.EntryBinding;
 import com.sleepycat.je.DatabaseEntry;
+import org.archive.util.Histotable;
 
 import java.util.concurrent.atomic.AtomicInteger;
 
@@ -43,6 +45,8 @@ public class KryoBinding<K> implements EntryBinding<K> {
         protected AutoKryo create () {
             AutoKryo kryo = new AutoKryo();
             kryo.addDefaultSerializer(AtomicInteger.class, DefaultSerializers.AtomicIntegerSerializer.class);
+            kryo.addDefaultSerializer(Histotable.class, FieldSerializer.class);
+            kryo.register(org.archive.util.Histotable.class);
             kryo.autoregister(baseClass);
             kryo.setRegistrationRequired(false);
             kryo.setWarnUnregisteredClasses(true);