tzulitai commented on a change in pull request #7590: [FLINK-11329][core]
Migrating CompositeSerializers
URL: https://github.com/apache/flink/pull/7590#discussion_r252140553
##########
File path:
flink-streaming-java/src/main/java/org/apache/flink/streaming/api/datastream/CoGroupedStreams.java
##########
@@ -618,63 +619,87 @@ public boolean canEqual(Object obj) {
}
@Override
- public TypeSerializerConfigSnapshot<TaggedUnion<T1, T2>>
snapshotConfiguration() {
- return new
UnionSerializerConfigSnapshot<>(oneSerializer, twoSerializer);
- }
-
- @Override
- public CompatibilityResult<TaggedUnion<T1, T2>>
ensureCompatibility(TypeSerializerConfigSnapshot<?> configSnapshot) {
- if (configSnapshot instanceof
UnionSerializerConfigSnapshot) {
- List<Tuple2<TypeSerializer<?>,
TypeSerializerSnapshot<?>>> previousSerializersAndConfigs =
- ((UnionSerializerConfigSnapshot<?, ?>)
configSnapshot).getNestedSerializersAndConfigs();
-
- CompatibilityResult<T1>
oneSerializerCompatResult = CompatibilityUtil.resolveCompatibilityResult(
- previousSerializersAndConfigs.get(0).f0,
- UnloadableDummyTypeSerializer.class,
- previousSerializersAndConfigs.get(0).f1,
- oneSerializer);
-
- CompatibilityResult<T2>
twoSerializerCompatResult = CompatibilityUtil.resolveCompatibilityResult(
- previousSerializersAndConfigs.get(1).f0,
- UnloadableDummyTypeSerializer.class,
- previousSerializersAndConfigs.get(1).f1,
- twoSerializer);
-
- if
(!oneSerializerCompatResult.isRequiresMigration() &&
!twoSerializerCompatResult.isRequiresMigration()) {
- return CompatibilityResult.compatible();
- } else if
(oneSerializerCompatResult.getConvertDeserializer() != null &&
twoSerializerCompatResult.getConvertDeserializer() != null) {
- return
CompatibilityResult.requiresMigration(
- new UnionSerializer<>(
- new
TypeDeserializerAdapter<>(oneSerializerCompatResult.getConvertDeserializer()),
- new
TypeDeserializerAdapter<>(twoSerializerCompatResult.getConvertDeserializer())));
- }
- }
-
- return CompatibilityResult.requiresMigration();
+ public TypeSerializerSnapshot<TaggedUnion<T1, T2>>
snapshotConfiguration() {
+ return new UnionSerializerSnapshot<>(this);
}
}
/**
* The {@link TypeSerializerConfigSnapshot} for the {@link
UnionSerializer}.
Review comment:
nit: Add `@deprecated` message
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