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From GitBox <...@apache.org>
Subject [GitHub] [openwhisk] rabbah commented on a change in pull request #4624: Combines active ack and slot release when both are available.
Date Mon, 16 Sep 2019 19:07:34 GMT
rabbah commented on a change in pull request #4624: Combines active ack and slot release when
both are available.
URL: https://github.com/apache/openwhisk/pull/4624#discussion_r324837724
 
 

 ##########
 File path: common/scala/src/main/scala/org/apache/openwhisk/core/connector/Message.scala
 ##########
 @@ -64,43 +64,34 @@ case class ActivationMessage(override val transid: TransactionId,
   def causedBySequence: Boolean = cause.isDefined
 }
 
-object ActivationMessage extends DefaultJsonProtocol {
-
-  def parse(msg: String) = Try(serdes.read(msg.parseJson))
-
-  private implicit val fqnSerdes = FullyQualifiedEntityName.serdes
-  implicit val serdes = jsonFormat11(ActivationMessage.apply)
-}
-
 /**
  * Message that is sent from the invoker to the controller after action is completed or after
slot is free again for
  * new actions.
  */
 abstract class AcknowledegmentMessage(private val tid: TransactionId) extends Message {
   override val transid: TransactionId = tid
-  override def serialize: String = {
-    AcknowledegmentMessage.serdes.write(this).compactPrint
-  }
+  override def serialize: String = AcknowledegmentMessage.serdes.write(this).compactPrint
+  def toJson: JsValue
 }
 
 /**
- * This message is sent from the invoker to the controller, after the slot of an invoker
that has been used by the
- * current action, is free again (after log collection)
+ * This message is sent from an invoker to the controller, after the resource slot in the
invoke, used by the
+ * corresponding activation, is free again (i.e., after log collection). In some cases, the
activation result is
+ * ready and the slot is freed at the same time. In such cases, the completion message carries
the result as well.
+ * This is reflected by the of a Right() `response` and the param `result` is set to true.
+ * In some cases the `result` is true but the response is Left() if the message was too large
for the message bus.
  */
 case class CompletionMessage(override val transid: TransactionId,
-                             activationId: ActivationId,
-                             isSystemError: Boolean,
+                             response: Either[ActivationId, WhiskActivation],
+                             result: Boolean, // true iff the message is a combined active
ack and slot released
 
 Review comment:
   @chetanmeh yes it would since I changed one of the property names and the value of the
property in the cases now covered by the change may be different (in the corner case, WhiskActivation
instead of just ActivationId).
   
   

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