matthiasblaesing commented on code in PR #6872:
URL: https://github.com/apache/netbeans/pull/6872#discussion_r1443688082
##########
enterprise/javaee.wildfly/src/org/netbeans/modules/javaee/wildfly/ide/ui/AddServerLocationPanel.java:
##########
@@ -44,25 +42,15 @@ public class AddServerLocationPanel implements
WizardDescriptor.FinishablePanel,
private AddServerLocationVisualPanel component;
private WizardDescriptor wizard;
- private final transient Set listeners = ConcurrentHashMap.newKeySet(2);
+ private final transient Set<ChangeListener> listeners =
ConcurrentHashMap.newKeySet(2);
public AddServerLocationPanel(WildflyInstantiatingIterator
instantiatingIterator) {
this.instantiatingIterator = instantiatingIterator;
}
@Override
public void stateChanged(ChangeEvent ev) {
- fireChangeEvent(ev);
- }
-
- private void fireChangeEvent(ChangeEvent ev) {
- Iterator it;
- synchronized (listeners) {
- it = new HashSet(listeners).iterator();
- }
- while (it.hasNext()) {
- ((ChangeListener) it.next()).stateChanged(ev);
- }
+ listeners.iterator().forEachRemaining(l -> l.stateChanged(ev));
Review Comment:
I agree with all of this. This was not the point of my fix/simplification.
The synchronization that was in the original code could not work. I fixed that.
End of story.
What makes me a bit icky is, that we have a massive regression in
performance of the IDE because to few people really looked at the fall-out of
the multi-file launcher code changes and here, where a fraction of people see
the code we are discussing performance? Sorry, I won't make anymore changes to
this. If anyone wants to veto this, fine, the that person should at least fix
the core problem addressed here.
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