jinmeiliao commented on a change in pull request #7063:
URL: https://github.com/apache/geode/pull/7063#discussion_r741214722
##########
File path:
geode-core/src/main/java/org/apache/geode/internal/cache/tier/sockets/ClientUserAuths.java
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@@ -90,28 +115,29 @@ public UserAuthAttributes getUserAuthAttributes(final Long
userId) {
}
@VisibleForTesting
+ @TestOnly
protected Collection<Subject> getSubjects() {
- return Collections.unmodifiableCollection(uniqueIdVsSubject.values());
+ List<Subject> all = uniqueIdVsSubject.values().stream()
+ .flatMap(List::stream)
+ .collect(Collectors.toList());
+ return Collections.unmodifiableCollection(all);
}
- public Subject getSubject(final Long userId) {
- return uniqueIdVsSubject.get(userId);
+ public synchronized Subject getSubject(final Long userId) {
+ CopyOnWriteArrayList<Subject> subjects = uniqueIdVsSubject.get(userId);
+ if (subjects == null || subjects.isEmpty()) {
+ return null;
+ }
+ return subjects.get(0);
}
- public void removeSubject(final Long userId) {
+ public synchronized void removeSubject(final Long userId) {
Review comment:
this prevents other thread doing `put/get` at the same time.
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