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Kafka Source

note

DLC provides a default KafkaSourceDescription with the name defaultKafkaSourceDesc if you have not defined a Kafka source.

Configuration Properties

Properties for a Kafka Source are defined by name in the dlc.messaging.kafka namespace, and are picked up as configurations for the DLC.

Key Required Type Description
topics-to-include Set<String> Topics to include. See source to topic matching.
topics-to-exclude Set<String> Topics to exclude. See source to topic matching.
accepts-topic-overrides Boolean Whether this source is allowed to accept Topic Overrides in the Load Request.

YAML Example 

dlc:
  messaging:
    kafka:
      sources:
        MyKafkaSource:
          topics-to-exclude:
            - Topic1
          topics-to-include:
            - Topic2
          accepts-topic-overrides: true

Java Configuration

KafkaSourceDescription Spring Beans are picked up as configurations for the DLC.

Parameter Required Type Description
name Y String Name of the source.
topicsToInclude Set<String> Topics to include. See source to topic matching.
topicsToExclude Set<String> Topics to exclude. See source to topic matching.
acceptsTopicOverrides Boolean Whether this source is allowed to accept Topic Overrides in the Load Request.

Java Example 

@Bean
public KafkaSourceDescription kafkaSourceDescription(){
	return KafkaSourceDescription.builder("KafkaSource")
			.topicsToExclude(Set.of("Topic1"))
			.topicsToInclude(Set.of("Topic2"))
			.acceptsTopicOverrides(true)
			.build();
}