[GitHub] [openwhisk] style95 commented on a diff in pull request #5291: Do not put data to ETCD when no date is changed.

[GitBox <gi...@apache.org>]

style95 commented on code in PR #5291:
URL: https://github.com/apache/openwhisk/pull/5291#discussion_r926651935


##########
common/scala/src/main/scala/org/apache/openwhisk/core/connector/Message.scala:
##########
@@ -470,6 +470,33 @@ case class InvokerResourceMessage(status: String,
    * Serializes message to string. Must be idempotent.
    */
   override def serialize: String = InvokerResourceMessage.serdes.write(this).compactPrint
+
+  def canEqual(a: Any) = a.isInstanceOf[InvokerResourceMessage]
+
+  override def equals(that: Any): Boolean =

Review Comment:
   The data management service compares the message to decide whether to put data or not.
   https://github.com/apache/openwhisk/blob/master/common/scala/src/main/scala/org/apache/openwhisk/core/service/DataManagementService.scala#L161
   
   So we need to override the `equals` method to make it compare messages with `==`.
   



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