From: Kai Moritz <kai@juplo.de>
Date: Sat, 13 Aug 2022 13:35:44 +0000 (+0200)
Subject: GRÜN: Erwartungen implementiert
X-Git-Url: http://juplo.de/gitweb/?a=commitdiff_plain;h=d8a6e834cd82b2dbad257348932837032b2ae100;p=demos%2Fkafka%2Ftraining

GRÜN: Erwartungen implementiert
---

diff --git a/src/main/java/de/juplo/kafka/SumBusinessLogic.java b/src/main/java/de/juplo/kafka/SumBusinessLogic.java
index 73db4cf..38485d2 100644
--- a/src/main/java/de/juplo/kafka/SumBusinessLogic.java
+++ b/src/main/java/de/juplo/kafka/SumBusinessLogic.java
@@ -36,6 +36,9 @@ public class SumBusinessLogic
 
   public synchronized Long endSum(String user)
   {
-    return null;
+    if (!state.containsKey(user))
+      throw new IllegalStateException("No sumation for " + user + " in progress");
+
+    return state.get(user);
   }
 }