From 6303977e9c6ca6d6c48040f2c62d674f95ef16e9 Mon Sep 17 00:00:00 2001
From: Viktor Lofgren <vlofgren@marginalia.nu>
Date: Thu, 11 Jul 2024 19:22:05 +0200
Subject: [PATCH] (index-prio) Fail louder when size is 0 in
 PrioDocIdsTransformer

We can't deal with this scenario and should complain very loudly
---
 .../index/construction/prio/PrioDocIdsTransformer.java       | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/code/index/index-reverse/java/nu/marginalia/index/construction/prio/PrioDocIdsTransformer.java b/code/index/index-reverse/java/nu/marginalia/index/construction/prio/PrioDocIdsTransformer.java
index 52a5ec45..85bbedac 100644
--- a/code/index/index-reverse/java/nu/marginalia/index/construction/prio/PrioDocIdsTransformer.java
+++ b/code/index/index-reverse/java/nu/marginalia/index/construction/prio/PrioDocIdsTransformer.java
@@ -37,9 +37,8 @@ public class PrioDocIdsTransformer implements LongArrayTransformations.LongIOTra
         final int sizeL = (int) ((endL - startL));
         final long startOffsetB = writeOffsetB;
 
-        if (sizeL == 0) {
-            return -1;
-        }
+        if (sizeL == 0)
+            throw new IllegalStateException("Empty range");
 
         readChannel.position(startL * 8);
         readBuffer.clear();