KafkaEventEmitter (jBPM :: Event Emitters :: Kafka 7.71.0-SNAPSHOT API)

java.lang.Object
- org.jbpm.event.emitters.kafka.KafkaEventEmitter

All Implemented Interfaces:

AutoCloseable, org.jbpm.persistence.api.integration.EventEmitter
```
public class KafkaEventEmitter
extends Object
implements org.jbpm.persistence.api.integration.EventEmitter
```
Kafka implementation of EventEmitter that simply pushes out data to several Kafka topics depending on InstanceView type. Expects following parameters to configure itself - via system properties
- org.kie.jbpm.event.emitters.kafka.date_format - date and time format to be sent to Kafka - default format is yyyy-MM-dd'T'HH:mm:ss.SSSZ
- org.kie.jbpm.event.emitters.kafka.bootstrap.servers - Kafka server ip, default is localhost:9092
- org.kie.jbpm.event.emitters.kafka.client.id - Kafka client id
- org.kie.jbpm.event.emitters.kafka.acks - Kafka acknowledge policy, check Kafka documentation
- org.kie.jbpm.event.emitters.kafka.topic.. Topic name for subscribing to these events. Defaults are "jbpm--events"

Field Summary

Fields
Modifier and Type Field Description

protected static String KAFKA_EMITTER_PREFIX

Constructor Summary

Constructors
Constructor Description

KafkaEventEmitter()

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`apply(Collection<org.jbpm.persistence.api.integration.InstanceView<?>> data)`
`void`	`close()`
`void`	`deliver(Collection<org.jbpm.persistence.api.integration.InstanceView<?>> data)`
`void`	`drop(Collection<org.jbpm.persistence.api.integration.InstanceView<?>> data)`
`protected static Map<String,Object>`	`getProducerProperties()`
`org.jbpm.persistence.api.integration.EventCollection`	`newCollection()`

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

- Field Detail
  - KAFKA_EMITTER_PREFIX
```
protected static final String KAFKA_EMITTER_PREFIX
```
    See Also:
    
    Constant Field Values
- Constructor Detail
  - KafkaEventEmitter
```
public KafkaEventEmitter()
```
- Method Detail
  - deliver
```
public void deliver(Collection<org.jbpm.persistence.api.integration.InstanceView<?>> data)
```
    Specified by:
    
    deliver in interface org.jbpm.persistence.api.integration.EventEmitter
  - apply
```
public void apply(Collection<org.jbpm.persistence.api.integration.InstanceView<?>> data)
```
    Specified by:
    
    apply in interface org.jbpm.persistence.api.integration.EventEmitter
  - drop
```
public void drop(Collection<org.jbpm.persistence.api.integration.InstanceView<?>> data)
```
    Specified by:
    
    drop in interface org.jbpm.persistence.api.integration.EventEmitter
  - close
```
public void close()
```
    Specified by:
    
    close in interface AutoCloseable
    
    Specified by:
    
    close in interface org.jbpm.persistence.api.integration.EventEmitter
  - newCollection
```
public org.jbpm.persistence.api.integration.EventCollection newCollection()
```
    Specified by:
    
    newCollection in interface org.jbpm.persistence.api.integration.EventEmitter
  - getProducerProperties
```
protected static Map<String,Object> getProducerProperties()
```