Github user dragonsinth commented on a diff in the pull request:
https://github.com/apache/lucene-solr/pull/32#discussion_r62900820
--- Diff:
solr/solrj/src/java/org/apache/solr/common/cloud/ZkStateReader.java ---
@@ -1069,32 +1100,190 @@ public static String getCollectionPath(String
coll) {
return COLLECTIONS_ZKNODE+"/"+coll + "/state.json";
}
- public void addCollectionWatch(String coll) {
- if (interestingCollections.add(coll)) {
- LOG.info("addZkWatch [{}]", coll);
- new StateWatcher(coll).refreshAndWatch(false);
+ /**
+ * Notify this reader that a local Core is a member of a collection, and
so that collection
+ * state should be watched.
+ *
+ * Not a public API. This method should only be called from
ZkController.
+ *
+ * The number of cores per-collection is tracked, and adding multiple
cores from the same
+ * collection does not increase the number of watches.
+ *
+ * @param collection the collection that the core is a member of
+ *
+ * @see ZkStateReader#unregisterCore(String)
+ */
+ public void registerCore(String collection) {
+ AtomicBoolean reconstructState = new AtomicBoolean(false);
+ collectionWatches.compute(collection, (k, v) -> {
+ if (v == null) {
+ reconstructState.set(true);
+ v = new CollectionWatch();
+ }
+ v.coreRefCount++;
+ return v;
+ });
+ if (reconstructState.get()) {
+ new StateWatcher(collection).refreshAndWatch();
--- End diff --
Ignore this, I'm dumb. You want a state watcher either way (the old code
did this).
---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at infrastruct...@apache.org or file a JIRA ticket
with INFRA.
---
---------------------------------------------------------------------
To unsubscribe, e-mail: dev-unsubscr...@lucene.apache.org
For additional commands, e-mail: dev-h...@lucene.apache.org
