THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
...
The same reasoning applies to the key and value types used defined in methods that take Aggregator, StreamPartitioner, KeyValueMapper, ValueMapper, ProcessorSupplier, and ValueJoinertake Aggregator, StreamPartitioner, KeyValueMapper, ValueMapper, ProcessorSupplier, TransformerSupplier, ValueTransformerSupplier, ForeachAction, StreamPartitioner, and ValueJoiner.
Public Interfaces
| Affected methods | Current argument type | New argument type |
|---|---|---|
(KGroupedStream|KGroupedTable).aggregate | Aggregator<K, V, T> | Aggregator<? super K, ? super V, T> |
(KTable|KStream).filter*, KStream.branch | Predicate<K, V> | Predicate<? super K, ? super V> |
(KStream|KTable).groupBy, KStream.(selectKey|map|flatMap), KTable.toStream | KeyValueMapper<K, V, X> | KeyValueMapper<? super K, ? super V, X> |
(KStream|KTable).mapValues, KStream.flatMapValues | KeyValueMapper<VValueMapper<V, X> | ValueMapper<? super V, X> |
KStream.transform | TransformerSupplier<K, V, X> | TransformerSupplier<? super K, ? super V, X> |
| ValueTransformerSupplier<V, X> | ValueTransformerSupplier<? super V, X> |
(KStream|Ktable).foreach | ForeachAction<K, V> | ForeachAction<? super K, ? super V> |
| ProcessorSupplier<K, V> | ProcessorSupplier<? super K, ? super V> |
(KStream|KTable).*join | ValueJoiner<K, V, R> | ValueJoiner<? super K, ? super V, R> |
| StreamPartitioner<K, V> | StreamPartitioner<? super K, ? super V> |
...