From 47657918b484fad60ac4062177cfeb569275d3d3 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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---
.../de/juplo/kafka/AdderBusinessLogic.java | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/src/main/java/de/juplo/kafka/AdderBusinessLogic.java b/src/main/java/de/juplo/kafka/AdderBusinessLogic.java
index 2e3d1263..a3848c46 100644
--- a/src/main/java/de/juplo/kafka/AdderBusinessLogic.java
+++ b/src/main/java/de/juplo/kafka/AdderBusinessLogic.java
@@ -1,13 +1,31 @@
package de.juplo.kafka;
+import java.util.HashMap;
+import java.util.Map;
+
+
public class AdderBusinessLogic
{
+ private final Map<String, Long> state;
+
+
public AdderBusinessLogic()
{
+ this(new HashMap<>());
}
+ public AdderBusinessLogic(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