jackjlli commented on a change in pull request #6622:
URL: https://github.com/apache/incubator-pinot/pull/6622#discussion_r584381012
##########
File path:
pinot-spi/src/main/java/org/apache/pinot/spi/metrics/PinotMetricName.java
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@@ -23,5 +23,20 @@
*/
public interface PinotMetricName {
+ /**
+ * Returns the actual metric name.
+ */
Object getMetricName();
+
+ /**
+ * Overrides the equals method. This is needed as {@link PinotMetricName} is
used as the key of the key-value pair
+ * inside the hashmap in MetricsRegistry. Without overriding equals and
hashCode method, all the existing k-v pairs
+ * stored in hashmap cannot be retrieved by initializing a new key.
+ */
+ boolean equals(Object obj);
+
+ /**
+ * Overrides the hashCode method.
+ */
+ int hashCode();
Review comment:
updated.
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