X-Git-Url: http://juplo.de/gitweb/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fde%2Fjuplo%2Fkafka%2FAdderBusinessLogic.java;h=1f8ebc2583245df37a9908673811ec9d1c48581e;hb=d8215e876b3caae0352dc111856a41d549b4da20;hp=9fd5b0df9c0b187fdaa125d51e1dfb70fb2cae79;hpb=25ffddd625259ea3011639eae4ce311a7b41394d;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 9fd5b0d..1f8ebc2 100644
--- a/src/main/java/de/juplo/kafka/AdderBusinessLogic.java
+++ b/src/main/java/de/juplo/kafka/AdderBusinessLogic.java
@@ -34,4 +34,12 @@ public class AdderBusinessLogic
   {
     return Optional.ofNullable(state.get(user));
   }
+
+  public synchronized Long endSum(String user)
+  {
+    if (!state.containsKey(user))
+      throw new IllegalStateException("No sumation for " + user + " in progress");
+
+    return state.get(user);
+  }
 }