Record (SmallRye Reactive Messaging 3.12.1 API)

java.lang.Object
- io.smallrye.reactive.messaging.kafka.Record<K,V>

Type Parameters:

K - the type of the key

V - the type of the value
```
public class Record<K,V>
extends Object
```
Represents a produced Kafka record, so a pair {key, value}.
This class is used by application willing to configure the written record. The couple key/value is used for, respectively, the record's key and record's value. Instances are used as message's payload.
Both key and value can be null. Instances of this class are immutable.
If the application needs to configure more aspect of the record, use the OutgoingCloudEventMetadata.
If the attached metadata configures the key, the key provided by the record is overidden.

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`K`	`key()`
`static <K,V> Record<K,V>`	`of(K key, V value)`	Creates a new record.
`V`	`value()`
`<T> Record<T,V>`	`withKey(T key)`	Creates a new instance of `Record` with given key and the value from the current record.
`<T> Record<K,T>`	`withValue(T value)`	Creates a new instance of `Record` with the key from the current record and the new value.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Method Detail
  - of
```
public static <K,V> Record<K,V> of(K key,
                                               V value)
```
    Creates a new record.
    
    Type Parameters:
    
    K - the type of the key
    
    V - the type of the value
    
    Parameters:
    
    key - the key, can be null
    
    value - the value, can be null
  - key
```
public K key()
```
    Returns:
    
    the key, may be null
  - value
```
public V value()
```
    Returns:
    
    the value, may be null
  - withKey
```
public <T> Record<T,V> withKey(T key)
```
    Creates a new instance of Record with given key and the value from the current record.
    
    Type Parameters:
    
    T - the type of the new key
    
    Parameters:
    
    key - the new key, can be null
    
    Returns:
    
    the new record
  - withValue
```
public <T> Record<K,T> withValue(T value)
```
    Creates a new instance of Record with the key from the current record and the new value.
    
    Type Parameters:
    
    T - the type of the new value
    
    Parameters:
    
    value - the new value, can be null
    
    Returns:
    
    the new record