AyoubOm commented on code in PR #15790:
URL: https://github.com/apache/kafka/pull/15790#discussion_r1589953917


##########
streams/src/main/java/org/apache/kafka/streams/state/internals/MeteredKeyValueStore.java:
##########
@@ -173,21 +172,15 @@ protected Serde<V> prepareValueSerdeForStore(final 
Serde<V> valueSerde, final Se
     protected void initStoreSerde(final ProcessorContext context) {
         final String storeName = name();
         final String changelogTopic = 
ProcessorContextUtils.changelogFor(context, storeName, Boolean.FALSE);
-        serdes = new StateSerdes<>(
-            changelogTopic,
-            prepareKeySerde(keySerde, new SerdeGetter(context)),
-            prepareValueSerdeForStore(valueSerde, new SerdeGetter(context))
-        );
+        serdes = StoreSerdeInitializer.prepareStoreSerde(
+            context, storeName, changelogTopic, keySerde, valueSerde, 
this::prepareValueSerdeForStore);
     }
 
     protected void initStoreSerde(final StateStoreContext context) {
         final String storeName = name();
         final String changelogTopic = 
ProcessorContextUtils.changelogFor(context, storeName, Boolean.FALSE);
-        serdes = new StateSerdes<>(
-            changelogTopic,
-            prepareKeySerde(keySerde, new SerdeGetter(context)),
-            prepareValueSerdeForStore(valueSerde, new SerdeGetter(context))
-        );
+        serdes = StoreSerdeInitializer.prepareStoreSerde(
+            context, storeName, changelogTopic, keySerde, valueSerde, 
this::prepareValueSerdeForStore);

Review Comment:
   I added a parameter function prepareValueSerde to be able to use the correct 
function in children TimestampedStore classes. These don't directly use 
`WrappingNullableUtils.prepareValueSerde` by overriding the behavior of 
prepareValueSerdeForStore



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