org.apache.kafka.streams

Class KeyValue<K,V>

java.lang.Object

org.apache.kafka.streams.KeyValue<K,V>

Type Parameters:

K - Key type

V - Value type

public class KeyValue<K,V>
extends Object

A key-value pair defined for a single Kafka Streams record. If the record comes directly from a Kafka topic then its key / value are defined as the message key / value.

Field Summary

Fields

Modifier and Type	Field and Description
K	key The key of the key-value pair.
V	value The value of the key-value pair.

Constructor Summary

Constructors

Constructor and Description
KeyValue(K key, V value) Create a new key-value pair.

Method Summary

Methods

Modifier and Type	Method and Description
boolean	equals(Object obj)
int	hashCode()
static <K,V> KeyValue<K,V>	pair(K key, V value) Create a new key-value pair.
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

key

public final K key

The key of the key-value pair.

value

public final V value

The value of the key-value pair.

Constructor Detail

KeyValue

public KeyValue(K key,
        V value)

Create a new key-value pair.

Parameters:

key - the key

value - the value

Method Detail

pair

public static <K,V> KeyValue<K,V> pair(K key,
                       V value)

Create a new key-value pair.

Type Parameters:

K - the type of the key

V - the type of the value

Parameters:

key - the key

value - the value

Returns:

a new key value pair

toString

public String toString()

Overrides:

toString in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object