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Vorlage für den 1. Teil der Summenformel-Übung
[demos/kafka/training]
/
src
/
main
/
java
/
de
/
juplo
/
kafka
/
AdderResults.java
diff --git
a/src/main/java/de/juplo/kafka/AdderResults.java
b/src/main/java/de/juplo/kafka/AdderResults.java
index
e7f5602
..
da9f65e
100644
(file)
--- a/
src/main/java/de/juplo/kafka/AdderResults.java
+++ b/
src/main/java/de/juplo/kafka/AdderResults.java
@@
-15,6
+15,12
@@
public class AdderResults
{
Map<String, List<AdderResult>> resultsByUser = this.results.get(partition);
{
Map<String, List<AdderResult>> resultsByUser = this.results.get(partition);
+ if (resultsByUser == null)
+ {
+ resultsByUser = new HashMap<>();
+ results.put(partition, resultsByUser);
+ }
+
List<AdderResult> results = resultsByUser.get(user);
if (results == null)
{
List<AdderResult> results = resultsByUser.get(user);
if (results == null)
{