THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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public interface KStream<K, V> {
/**
* Materialize this stream to a auto-generated repartition topic and creates a new {@code KStream}
* from the auto-generated topic using default serializers, deserializers, producer's {@link DefaultPartitioner}.
* Number of partitions is inherited from the source topic.
*
* @return a {@code KStream} that contains the exact same (and potentially repartitioned) records as this {@code KStream}
* @see #repartition(Repartitioned)
* @see #repartition(KeyValueMapper, Repartitioned)
*/
KStream<K, V> repartition();
/**
* Materialize this stream to a auto-generated repartition topic and creates a new {@code KStream}
* from the auto-generated topic using {@link Serde key serde}, {@link Serde value serde}, {@link StreamPartitioner},
* number of partitions and topic name part as defined by {@link Repartitioned}.
*
* @param repartitioned the {@link Repartitioned} instance used to specify {@link org.apache.kafka.common.serialization.Serdes},
* {@link StreamPartitioner} which determines how records are distributed among partitions of the topic,
* part of the topic name and number of partitions for a repartition topic, if repartitioning is required.
* @return a {@code KStream} that contains the exact same (and potentially repartitioned) records as this {@code KStream}
* @see #repartition()
* @see #repartition(KeyValueMapper, Repartitioned)
*/
KStream<K, V> repartition(Repartitioned<K, V> repartitioned);
/**
* Materialize this stream to a auto-generated repartition topic and creates a new {@code KStream}
* from the auto-generated topic using {@link Serde key serde}, {@link Serde value serde}, {@link StreamPartitioner},
* number of partitions and topic name part as defined by {@link Repartitioned}.
* The provided {@link KeyValueMapper} is applied to each input record and computes a new key for it.
* Thus, an input record {@code <K,V>} can be transformed into an output record {@code <K':V>}.
*
* @param mapper a {@link KeyValueMapper} that computes a new key for each record
* @param repartitioned the {@link Repartitioned} instance used to specify {@link org.apache.kafka.common.serialization.Serdes},
* {@link StreamPartitioner} which determines how records are distributed among partitions of the topic,
* part of the topic name and number of partitions for a repartition topic, if repartitioning is required.
* @return a {@code KStream} that contains records with new key (possibly of different type) and unmodified value
* @see #repartition()
* @see #repartition(Repartitioned)
*/
<KR> KStream<KR, V> repartition(final KeyValueMapper<? super K, ? super V, ? extends KR> mapper,
Repartitioned<KR, V> repartitioned);
} |
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