joshb1050 commented on code in PR #4972:
URL: https://github.com/apache/activemq-artemis/pull/4972#discussion_r1644955884
##########
artemis-server/src/main/java/org/apache/activemq/artemis/core/postoffice/impl/SimpleAddressManager.java:
##########
@@ -100,6 +104,11 @@ public boolean addBinding(final Binding binding) throws
Exception {
if (nameMap.putIfAbsent(binding.getUniqueName(), bindingAddressPair) !=
null) {
throw ActiveMQMessageBundle.BUNDLE.bindingAlreadyExists(binding);
}
+ directBindingMap.compute(binding.getAddress(), (key, value) -> {
+ Collection<Binding> bindingList = value == null ? new ArrayList<>() :
value;
+ bindingList.add(binding);
Review Comment:
The `directBindingMap` is a `ConcurrentHashMap` so it will guarantee thread
safety on the `compute` by locking the node.
https://stackoverflow.com/a/59601136
Also, this should be tested already via
`WildcardAddressManagerUnitTest#testConcurrentCalls`.
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