X-Git-Url: https://juplo.de/gitweb/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fde%2Fjuplo%2Fkafka%2FAdderBusinessLogic.java;fp=src%2Fmain%2Fjava%2Fde%2Fjuplo%2Fkafka%2FAdderBusinessLogic.java;h=1f8ebc2583245df37a9908673811ec9d1c48581e;hb=d8215e876b3caae0352dc111856a41d549b4da20;hp=549228ce656075a5f6445b0fabe4066aefb98d8d;hpb=f4848341ef2fee62e3c62c63deed277a4f1a2d8a;p=demos%2Fkafka%2Ftraining

diff --git a/src/main/java/de/juplo/kafka/AdderBusinessLogic.java b/src/main/java/de/juplo/kafka/AdderBusinessLogic.java
index 549228c..1f8ebc2 100644
--- a/src/main/java/de/juplo/kafka/AdderBusinessLogic.java
+++ b/src/main/java/de/juplo/kafka/AdderBusinessLogic.java
@@ -37,6 +37,9 @@ public class AdderBusinessLogic
 
   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);
   }
 }