org.apache.kafka.streams.kstream

Class Repartitioned<K,V>

java.lang.Object

org.apache.kafka.streams.kstream.Repartitioned<K,V>

Type Parameters:

K - key type

V - value type

public class Repartitioned<K,V>
extends Object

This class is used to provide the optional parameters for internal repartition topics.

See Also:

KStream.repartition(), KStream.repartition(Repartitioned)

Field Summary

Fields

Modifier and Type	Field and Description
protected org.apache.kafka.common.serialization.Serde<K>	keySerde
protected String	name
protected Integer	numberOfPartitions
protected StreamPartitioner<K,V>	partitioner
protected org.apache.kafka.common.serialization.Serde<V>	valueSerde

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	Repartitioned(Repartitioned<K,V> repartitioned)

Method Summary

Modifier and Type	Method and Description
static <K,V> Repartitioned<K,V>	as(String name) Create a Repartitioned instance with the provided name used as part of the repartition topic.
static <K,V> Repartitioned<K,V>	numberOfPartitions(int numberOfPartitions) Create a Repartitioned instance with provided number of partitions for repartition topic.
static <K,V> Repartitioned<K,V>	streamPartitioner(StreamPartitioner<K,V> partitioner) Create a Repartitioned instance with provided partitioner.
static <K,V> Repartitioned<K,V>	with(org.apache.kafka.common.serialization.Serde<K> keySerde, org.apache.kafka.common.serialization.Serde<V> valueSerde) Create a Repartitioned instance with provided key serde and value serde.
Repartitioned<K,V>	withKeySerde(org.apache.kafka.common.serialization.Serde<K> keySerde) Create a new instance of Repartitioned with the provided key serde.
Repartitioned<K,V>	withName(String name) Create a new instance of Repartitioned with the provided name used as part of repartition topic and processor name.
Repartitioned<K,V>	withNumberOfPartitions(int numberOfPartitions) Create a new instance of Repartitioned with the provided number of partitions for repartition topic.
Repartitioned<K,V>	withStreamPartitioner(StreamPartitioner<K,V> partitioner) Create a new instance of Repartitioned with the provided partitioner.
Repartitioned<K,V>	withValueSerde(org.apache.kafka.common.serialization.Serde<V> valueSerde) Create a new instance of Repartitioned with the provided value serde.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

name

protected final String name

keySerde

protected final org.apache.kafka.common.serialization.Serde<K> keySerde

valueSerde

protected final org.apache.kafka.common.serialization.Serde<V> valueSerde

numberOfPartitions

protected final Integer numberOfPartitions

partitioner

protected final StreamPartitioner<K,V> partitioner

Constructor Detail

Repartitioned

protected Repartitioned(Repartitioned<K,V> repartitioned)

Method Detail

as

public static <K,V> Repartitioned<K,V> as(String name)

Create a Repartitioned instance with the provided name used as part of the repartition topic.

Type Parameters:

K - key type

V - value type

Parameters:

name - the name used as a processor named and part of the repartition topic name.

Returns:

A new Repartitioned instance configured with processor name and repartition topic name

See Also:

KStream.repartition(Repartitioned)

with

public static <K,V> Repartitioned<K,V> with(org.apache.kafka.common.serialization.Serde<K> keySerde,
                                            org.apache.kafka.common.serialization.Serde<V> valueSerde)

Create a Repartitioned instance with provided key serde and value serde.

Type Parameters:

K - key type

V - value type

Parameters:

keySerde - Serde to use for serializing the key

valueSerde - Serde to use for serializing the value

Returns:

A new Repartitioned instance configured with key serde and value serde

See Also:

KStream.repartition(Repartitioned)

streamPartitioner

public static <K,V> Repartitioned<K,V> streamPartitioner(StreamPartitioner<K,V> partitioner)

Create a Repartitioned instance with provided partitioner.

Type Parameters:

K - key type

V - value type

Parameters:

partitioner - the function used to determine how records are distributed among partitions of the topic, if not specified and the key serde provides a WindowedSerializer for the key WindowedStreamPartitioner will be used—otherwise DefaultPartitioner will be used

Returns:

A new Repartitioned instance configured with partitioner

See Also:

KStream.repartition(Repartitioned)

numberOfPartitions

public static <K,V> Repartitioned<K,V> numberOfPartitions(int numberOfPartitions)

Create a Repartitioned instance with provided number of partitions for repartition topic.

Type Parameters:

K - key type

V - value type

Parameters:

numberOfPartitions - number of partitions used when creating repartition topic

Returns:

A new Repartitioned instance configured number of partitions

See Also:

KStream.repartition(Repartitioned)

withName

public Repartitioned<K,V> withName(String name)

Create a new instance of Repartitioned with the provided name used as part of repartition topic and processor name.

Parameters:

name - the name used for the processor name and as part of the repartition topic

Returns:

a new Repartitioned instance configured with the name

withNumberOfPartitions

public Repartitioned<K,V> withNumberOfPartitions(int numberOfPartitions)

Create a new instance of Repartitioned with the provided number of partitions for repartition topic.

Parameters:

numberOfPartitions - the name used for the processor name and as part of the repartition topic name

Returns:

a new Repartitioned instance configured with the number of partitions

withKeySerde

public Repartitioned<K,V> withKeySerde(org.apache.kafka.common.serialization.Serde<K> keySerde)

Create a new instance of Repartitioned with the provided key serde.

Parameters:

keySerde - Serde to use for serializing the key

Returns:

a new Repartitioned instance configured with the key serde

withValueSerde

public Repartitioned<K,V> withValueSerde(org.apache.kafka.common.serialization.Serde<V> valueSerde)

Create a new instance of Repartitioned with the provided value serde.

Parameters:

valueSerde - Serde to use for serializing the value

Returns:

a new Repartitioned instance configured with the value serde

withStreamPartitioner

public Repartitioned<K,V> withStreamPartitioner(StreamPartitioner<K,V> partitioner)

Create a new instance of Repartitioned with the provided partitioner.

Parameters:

partitioner - the function used to determine how records are distributed among partitions of the topic, if not specified and the key serde provides a WindowedSerializer for the key WindowedStreamPartitioner will be used—otherwise DefaultPartitioner wil be used

Returns:

a new Repartitioned instance configured with provided partitioner