michaelandrepearce commented on a change in pull request #2727: ARTEMIS-2394
Improve scheduling sync for AMQPConnectionContext
URL: https://github.com/apache/activemq-artemis/pull/2727#discussion_r303676682
##########
File path:
artemis-protocols/artemis-amqp-protocol/src/main/java/org/apache/activemq/artemis/protocol/amqp/proton/AMQPConnectionContext.java
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@@ -436,16 +434,18 @@ public void onRemoteOpen(Connection connection) throws
Exception {
public void run() {
Long rescheduleAt = handler.tick(false);
- synchronized (schedulingLock) {
- if (!isSchedulingCancelled) {
+ scheduledFutureRef.getAndUpdate(value -> {
+ if (value != null) {
if (rescheduleAt == null) {
Review comment:
e.g.
```
Long rescheduleAt = handler.tick(false);
if (rescheduleAt == null) {
scheduledFutureRef.getAndUpdate(value -> value == null ? null :
scheduledPool.schedule(scheduleRunnable, 10, TimeUnit.MILLISECONDS));
} else if (rescheduleAt != 0) {
scheduledFutureRef.getAndUpdate(value -> value == null ? null :
scheduledPool.schedule(scheduleRunnable, rescheduleAt -
TimeUnit.NANOSECONDS.toMillis(System.nanoTime()), TimeUnit.MILLISECONDS));
}
```
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