tzulitai commented on a change in pull request #8122: [FLINK-12121] [State
Backends] Use composition instead of inheritance for the InternalKeyContext
logic in backend
URL: https://github.com/apache/flink/pull/8122#discussion_r273794431
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File path:
flink-runtime/src/main/java/org/apache/flink/runtime/state/heap/NestedMapsStateTable.java
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@@ -350,11 +353,13 @@ public int sizeOfNamespace(Object namespace) {
private final StateSnapshotTransformer<S> snapshotFilter;
NestedMapsStateTableSnapshot(
- NestedMapsStateTable<K, N, S> owningTable,
StateSnapshotTransformFactory<S> snapshotTransformFactory) {
+ NestedMapsStateTable<K, N, S> owningTable,
+ StateSnapshotTransformFactory<S>
snapshotTransformFactory,
+ TypeSerializer<K> keySerializer) {
super(owningTable);
this.snapshotFilter =
snapshotTransformFactory.createForDeserializedState().orElse(null);
- this.keySerializer =
owningStateTable.keyContext.getCurrentKeySerializer();
+ this.keySerializer = keySerializer;
Review comment:
can't we just do `this.keySerializer = owningStateTable.keySerializer`, and
avoid passing in the key serializer when instantiating
`NestedMapsStateTableSnapshot`?
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