KafkaPublisher (Helidon Project 2.6.7 API)

java.lang.Object
- io.helidon.messaging.connectors.kafka.KafkaPublisher<K,V>

Type Parameters:

K - Key type

V - Value type

All Implemented Interfaces:

Publisher<KafkaMessage<K,V>>
```
public class KafkaPublisher<K,V>
extends Object
implements Publisher<KafkaMessage<K,V>>
```
This is an implementation of Publisher that read messages from Kafka and push them downstream to one subscriber. Configurable by Helidon Config,

See Also:

Config

Nested Class Summary

Nested Classes
Modifier and Type Class Description

static class KafkaPublisher.Builder<K,V>
Fluent API builder for KafkaPublisher.

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`static <K,V> KafkaPublisher.Builder<K,V>`	`builder()`	A builder for KafkaPublisher.
`static <K,V> KafkaPublisher<K,V>`	`create(Config config)`	Load this builder from a configuration.
`protected void`	`runInNewContext(Runnable runnable)`
`void`	`stop()`	Closes the opened resources to Kafka and completes exceptionally the pending `Message.ack()`.
`void`	`subscribe(Subscriber<? super KafkaMessage<K,V>> subscriber)`

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

- Method Detail
  - stop
```
public void stop()
```
    Closes the opened resources to Kafka and completes exceptionally the pending Message.ack(). It must be invoked after ScheduledExecutorService is shutdown.
  - runInNewContext
```
protected void runInNewContext(Runnable runnable)
```
  - subscribe
```
public void subscribe(Subscriber<? super KafkaMessage<K,V>> subscriber)
```
    Specified by:
    
    subscribe in interface Publisher<K>
  - builder
```
public static <K,V> KafkaPublisher.Builder<K,V> builder()
```
    A builder for KafkaPublisher.
    
    Type Parameters:
    
    K - Key type
    
    V - Value type
    
    Returns:
    
    builder to create a new instance
  - create
```
public static <K,V> KafkaPublisher<K,V> create(Config config)
```
    Load this builder from a configuration.
    
    Type Parameters:
    
    K - Key type
    
    V - Value type
    
    Parameters:
    
    config - configuration to load from
    
    Returns:
    
    updated builder instance