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Posted to commits@pulsar.apache.org by GitBox <gi...@apache.org> on 2019/10/28 01:53:11 UTC
[GitHub] [pulsar] codelipenghui commented on a change in pull request #5457:
[transaction-coordinator] Ownership change listeners
codelipenghui commented on a change in pull request #5457: [transaction-coordinator] Ownership change listeners
URL: https://github.com/apache/pulsar/pull/5457#discussion_r339381328
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File path: pulsar-broker/src/main/java/org/apache/pulsar/broker/namespace/NamespaceService.java
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@@ -858,6 +867,89 @@ public void removeOwnedServiceUnits(NamespaceName nsName, BundlesData bundleData
bundleFactory.invalidateBundleCache(nsName);
}
+ protected void onNamespaceBundleOwned(NamespaceBundle bundle) {
+ for (NamespaceBundleOwnershipListener bundleOwnedListener : bundleOwnershipListeners) {
+ try {
+ if (bundleOwnedListener.getFilter().test(bundle)) {
+ bundleOwnedListener.onLoad(bundle);
+ }
+ } catch (Throwable t) {
+ LOG.error("Call bundle {} ownership lister error", bundle, t);
+ }
+ }
+ if (!CollectionUtils.isEmpty(topicOwnershipListeners)) {
+ getOwnedTopicListForNamespaceBundle(bundle).whenComplete((topics, ex) -> {
+ if (ex == null) {
+ for (String topic : topics) {
+ TopicName topicName = TopicName.get(topic);
+ for (TopicOwnershipListener topicOwnershipListener : topicOwnershipListeners) {
+ if (topicOwnershipListener.getFilter().test(topicName)) {
+ try {
+ topicOwnershipListener.onLoad(topicName);
+ } catch (Throwable t) {
+ LOG.error("Call topic {} ownership lister error", topic, t);
+ }
+ }
+ }
+ }
+ } else {
+ LOG.error("Get owned topic list for namespace bundle {} error.", bundle, ex);
+ }
+ });
+ }
+ }
+
+ protected void onNamespaceBundleUnload(NamespaceBundle bundle) {
+ for (NamespaceBundleOwnershipListener bundleOwnedListener : bundleOwnershipListeners) {
+ try {
+ if (bundleOwnedListener.getFilter().test(bundle)) {
+ bundleOwnedListener.unLoad(bundle);
+ }
+ } catch (Throwable t) {
+ LOG.error("Call bundle {} ownership lister error", bundle, t);
+ }
+ }
+ if (!CollectionUtils.isEmpty(topicOwnershipListeners)) {
+ getOwnedTopicListForNamespaceBundle(bundle).whenComplete((topics, ex) -> {
+ if (ex == null) {
+ for (String topic : topics) {
+ TopicName topicName = TopicName.get(topic);
+ for (TopicOwnershipListener topicOwnershipListener : topicOwnershipListeners) {
+ if (topicOwnershipListener.getFilter().test(topicName)) {
+ try {
+ topicOwnershipListener.unLoad(topicName);
+ } catch (Throwable t) {
+ LOG.error("Call topic {} ownership lister error", topic, t);
+ }
+ }
+ }
+ }
+ } else {
+ LOG.error("Get owned topic list for namespace bundle {} error.", bundle, ex);
+ }
+ });
+ }
+ }
+
+ public void addNamespaceBundleOwnershipListener(NamespaceBundleOwnershipListener... listeners) {
+ checkNotNull(listeners);
+ for (NamespaceBundleOwnershipListener listener : listeners) {
+ if (listener != null) {
+ bundleOwnershipListeners.add(listener);
+ }
+ }
+ getOwnedServiceUnits().forEach(this::onNamespaceBundleOwned);
+ }
+
+ public void addTopicOwnershipListener(TopicOwnershipListener... listeners) {
+ checkNotNull(listeners);
+ for (TopicOwnershipListener listener : listeners) {
+ if (listener != null) {
+ topicOwnershipListeners.add(listener);
+ }
+ }
Review comment:
yes
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