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docs(microservices/kafka): Update commit offsets to use KafkaContext #3050

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Jul 5, 2024
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docs(microservices/kafka): Update commit offsets to use KafkaContext #3050

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8 changes: 5 additions & 3 deletions content/microservices/kafka.md
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Original file line number Diff line number Diff line change
Expand Up @@ -435,7 +435,7 @@ throw new KafkaRetriableException('...');

#### Commit offsets

Committing offsets is essential when working with Kafka. Per default, messages will be automatically committed after a specific time. For more information visit [KafkaJS docs](https://kafka.js.org/docs/consuming#autocommit). `ClientKafka` offers a way to manually commit offsets that work like the [native KafkaJS implementation](https://kafka.js.org/docs/consuming#manual-committing).
Committing offsets is essential when working with Kafka. Per default, messages will be automatically committed after a specific time. For more information visit [KafkaJS docs](https://kafka.js.org/docs/consuming#autocommit). `KafkaContext` offers a way to access the active consumer for manually committing offsets. The consumer is the KafkaJS consumer and works as the [native KafkaJS implementation](https://kafka.js.org/docs/consuming#manual-committing).

```typescript
@@filename()
Expand All @@ -446,7 +446,8 @@ async handleUserCreated(@Payload() data: IncomingMessage, @Ctx() context: KafkaC
const { offset } = context.getMessage();
const partition = context.getPartition();
const topic = context.getTopic();
await this.client.commitOffsets([{ topic, partition, offset }])
const consumer = context.getConsumer();
await consumer.commitOffsets([{ topic, partition, offset }])
}
@@switch
@Bind(Payload(), Ctx())
Expand All @@ -457,7 +458,8 @@ async handleUserCreated(data, context) {
const { offset } = context.getMessage();
const partition = context.getPartition();
const topic = context.getTopic();
await this.client.commitOffsets([{ topic, partition, offset }])
const consumer = context.getConsumer();
await consumer.commitOffsets([{ topic, partition, offset }])
}
```

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