X-Git-Url: https://juplo.de/gitweb/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fde%2Fjuplo%2Fkafka%2FSumBusinessLogic.java;h=38485d259162b3e3b1ac6f84f9510e2e8ec404f7;hb=d8a6e834cd82b2dbad257348932837032b2ae100;hp=605e55c690f7a2c745d8fb610cd157d976aeb42a;hpb=feea88916b49420021313112a217bce261868978;p=demos%2Fkafka%2Ftraining

diff --git a/src/main/java/de/juplo/kafka/SumBusinessLogic.java b/src/main/java/de/juplo/kafka/SumBusinessLogic.java
index 605e55c..38485d2 100644
--- a/src/main/java/de/juplo/kafka/SumBusinessLogic.java
+++ b/src/main/java/de/juplo/kafka/SumBusinessLogic.java
@@ -33,4 +33,12 @@ public class SumBusinessLogic
   {
     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);
+  }
 }