KafkaStreamsEventObserver (Quarkus - Micrometer - Runtime 3.6.7 API)

java.lang.Object
- io.quarkus.micrometer.runtime.binder.kafka.KafkaStreamsEventObserver

```
@ApplicationScoped
public class KafkaStreamsEventObserver
extends Object
```
Observer to create and register KafkaStreamsMetrics. Must be separated from KafkaEventObserver, because they use different dependencies and if only "kafka-client" is used, the classes from "kafka-streams" aren't loaded.

Field Summary

Fields
Modifier and Type	Field	Description
`(package private) io.micrometer.core.instrument.binder.kafka.KafkaStreamsMetrics`	`kafkaStreamsMetrics`
`(package private) io.micrometer.core.instrument.MeterRegistry`	`registry`

Constructor Summary

Constructors
Constructor Description

KafkaStreamsEventObserver()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`kafkaStreamsCreated(org.apache.kafka.streams.KafkaStreams kafkaStreams)`	Manage bind/close of KafkaStreamsMetrics for the specified KafkaStreams client.
`(package private) void`	`onStop(ShutdownEvent event)`
`(package private) void`	`tryToClose(AutoCloseable c)`

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

- Field Detail
  - registry
```
final io.micrometer.core.instrument.MeterRegistry registry
```
  - kafkaStreamsMetrics
```
io.micrometer.core.instrument.binder.kafka.KafkaStreamsMetrics kafkaStreamsMetrics
```
- Constructor Detail
  - KafkaStreamsEventObserver
```
public KafkaStreamsEventObserver()
```
- Method Detail
  - kafkaStreamsCreated
```
public void kafkaStreamsCreated(@Observes
                                org.apache.kafka.streams.KafkaStreams kafkaStreams)
```
    Manage bind/close of KafkaStreamsMetrics for the specified KafkaStreams client. If the kafkaStreams has not been seen before, it will be bound to the Micrometer registry and instrumented using a Kafka MeterBinder. If the kafkaStreams has been seen before, the MeterBinder will be closed.
    
    Parameters:
    
    kafkaStreams - Observed KafkaStreams instance
  - onStop
```
void onStop(@Observes
            ShutdownEvent event)
```
  - tryToClose
```
void tryToClose(AutoCloseable c)
```