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From GitBox <...@apache.org>
Subject [GitHub] tzulitai commented on a change in pull request #6467: [FLINK-9887] Ensure serializer upgrades work with timer service remake
Date Thu, 02 Aug 2018 09:47:46 GMT
tzulitai commented on a change in pull request #6467: [FLINK-9887] Ensure serializer upgrades
work with timer service remake
URL: https://github.com/apache/flink/pull/6467#discussion_r207162514
 
 

 ##########
 File path: flink-streaming-java/src/main/java/org/apache/flink/streaming/api/operators/TimerSerializer.java
 ##########
 @@ -230,16 +264,29 @@ public TypeSerializerConfigSnapshot snapshotConfiguration() {
 	 */
 	public static class TimerSerializerConfigSnapshot<K, N> extends CompositeTypeSerializerConfigSnapshot
{
 
+		private static final int VERSION = 0;
+
 		public TimerSerializerConfigSnapshot() {
 		}
 
-		public TimerSerializerConfigSnapshot(TypeSerializer<K> keySerializer, TypeSerializer<N>
namespaceSerializer) {
-			super(keySerializer, namespaceSerializer);
+		public TimerSerializerConfigSnapshot(
+			@Nonnull TypeSerializer<K> keySerializer,
+			@Nonnull TypeSerializer<N> namespaceSerializer) {
+			super(init(keySerializer, namespaceSerializer));
 
 Review comment:
   Just curious:
   does this `init` method exist just to ensure the ordering between the `keySerializer` /
`namespaceSerializer`?

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