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GRÜN: Erwartungen implementiert
[demos/kafka/training]
/
src
/
main
/
java
/
de
/
juplo
/
kafka
/
AdderBusinessLogic.java
diff --git
a/src/main/java/de/juplo/kafka/AdderBusinessLogic.java
b/src/main/java/de/juplo/kafka/AdderBusinessLogic.java
index
2e3d126
..
a3848c4
100644
(file)
--- 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;
package de.juplo.kafka;
+import java.util.HashMap;
+import java.util.Map;
+
+
public class AdderBusinessLogic
{
public class AdderBusinessLogic
{
+ private final Map<String, Long> state;
+
+
public AdderBusinessLogic()
{
public AdderBusinessLogic()
{
+ this(new HashMap<>());
}
}
+ public AdderBusinessLogic(Map<String, Long> state)
+ {
+ this.state = state;
+ }
+
+
public synchronized void startSum(String user)
{
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);
}
}
}
}