From 20ab53ca995a7244ff7fca318ea70b6c439a960a Mon Sep 17 00:00:00 2001
From: Kai Moritz <kai@juplo.de>
Date: Sat, 13 Aug 2022 15:19:54 +0200
Subject: [PATCH] =?utf8?q?GR=C3=9CN:=20Erwartungen=20implementiert?=
MIME-Version: 1.0
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---
src/main/java/de/juplo/kafka/SumBusinessLogic.java | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/src/main/java/de/juplo/kafka/SumBusinessLogic.java b/src/main/java/de/juplo/kafka/SumBusinessLogic.java
index cea533fa..e6626062 100644
--- a/src/main/java/de/juplo/kafka/SumBusinessLogic.java
+++ b/src/main/java/de/juplo/kafka/SumBusinessLogic.java
@@ -6,11 +6,25 @@ import java.util.Map;
public class SumBusinessLogic
{
+ private final Map<String, Long> state;
+
+
public SumBusinessLogic()
{
+ this(new HashMap<>());
}
+ public SumBusinessLogic(Map<String, Long> state)
+ {
+ this.state = state;
+ }
+
+
public synchronized void startSum(String user)
{
+ if (state.containsKey(user))
+ throw new IllegalStateException("Sumation for " + user + " already in progress, state: " + state.get(user));
+
+ state.put(user, 0l);
}
}
--
2.20.1