Jason918 commented on a change in pull request #12896:
URL: https://github.com/apache/pulsar/pull/12896#discussion_r753619915
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File path:
pulsar-metadata/src/main/java/org/apache/pulsar/metadata/api/MetadataCache.java
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@@ -155,4 +155,12 @@
* @param path the path of the object in the metadata store
*/
void refresh(String path);
+
+
+ /**
+ * Check if the value of this path is already in cache.
+ * @param path the path of the object in the metadata store
+ * @return true if the path exists.
+ */
+ boolean existsInCache(String path);
Review comment:
The only reason I am not using `MetadataCache.getIfCached()` is it would
block and wait for current load future is completed.
I am taking solution 2. It would not be "refresh" if we have not already
loaded the path object, right?
Although, it may change some old behaviors.
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