lburgazzoli commented on code in PR #14222:
URL: https://github.com/apache/camel/pull/14222#discussion_r1609537931
##########
core/camel-core-processor/src/main/java/org/apache/camel/processor/aggregate/AggregateProcessor.java:
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@@ -1877,4 +1882,44 @@ public int forceDiscardingOfAllGroups() {
return total;
}
+ /**
+ * Synchronization class to avoid busy-loop when waiting for exchanges to
be processed during shutdown.
+ */
+ protected static final class WaitableInteger extends
AbstractQueuedSynchronizer {
+
+ // await for this integer to be equal to zero
+ public void await() throws InterruptedException {
+ acquireSharedInterruptibly(1);
+ }
+
+ // decrement the integer
+ public void decrement() {
+ releaseShared(-1);
+ }
+
+ // increment the integer
+ public void increment() {
+ releaseShared(1);
+ }
+
+ // reset the integer to zero, this call won't trigger threads blocked
on an await() call
+ public void reset() {
+ setState(0);
+ }
+
+ protected int tryAcquireShared(int acquires) {
Review Comment:
the `acquires` parameters seems to be unused, don't know if that's expected
but is so a small comment could help understanding why.
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