Package zipkin2.collector.kafka

Class KafkaCollector.Builder

java.lang.Object

zipkin2.collector.CollectorComponent.Builder

zipkin2.collector.kafka.KafkaCollector.Builder

Enclosing class:

KafkaCollector

public static final class KafkaCollector.Builder
extends CollectorComponent.Builder

Configuration including defaults needed to consume spans from a Kafka topic.

Method Summary

Modifier and Type	Method	Description
KafkaCollector.Builder	bootstrapServers(String bootstrapServers)	The bootstrapServers connect string, ex.
KafkaCollector	build()
KafkaCollector.Builder	groupId(String groupId)	The consumer group this process is consuming on behalf of.
KafkaCollector.Builder	metrics(CollectorMetrics metrics)
final KafkaCollector.Builder	overrides(Map<String,?> overrides)	By default, a consumer will be built from properties derived from builder defaults, as well as "auto.offset.reset" -> "earliest".
KafkaCollector.Builder	sampler(CollectorSampler sampler)
KafkaCollector.Builder	storage(StorageComponent storage)
KafkaCollector.Builder	streams(int streams)	Count of threads consuming the topic.
KafkaCollector.Builder	topic(String topic)	Topic zipkin spans will be consumed from.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details

storage

public KafkaCollector.Builder storage(StorageComponent storage)

Specified by:

storage in class CollectorComponent.Builder

sampler

public KafkaCollector.Builder sampler(CollectorSampler sampler)

Specified by:

sampler in class CollectorComponent.Builder

metrics

public KafkaCollector.Builder metrics(CollectorMetrics metrics)

Specified by:

metrics in class CollectorComponent.Builder

topic

public KafkaCollector.Builder topic(String topic)

Topic zipkin spans will be consumed from. Defaults to "zipkin". Multiple topics may be specified if comma delimited.

bootstrapServers

public KafkaCollector.Builder bootstrapServers(String bootstrapServers)

The bootstrapServers connect string, ex. 127.0.0.1:9092. No default.

groupId

public KafkaCollector.Builder groupId(String groupId)

The consumer group this process is consuming on behalf of. Defaults to "zipkin"

streams

public KafkaCollector.Builder streams(int streams)

Count of threads consuming the topic. Defaults to 1

overrides

public final KafkaCollector.Builder overrides(Map<String,?> overrides)

By default, a consumer will be built from properties derived from builder defaults, as well as "auto.offset.reset" -> "earliest". Any properties set here will override the consumer config.

For example: Only consume spans since you connected by setting the below.

 Map<String, String> overrides = new LinkedHashMap<>();
 overrides.put(ConsumerConfig.AUTO_OFFSET_RESET_CONFIG, "latest");
 builder.overrides(overrides);
 

See Also:

• ConsumerConfig

build

public KafkaCollector build()

Specified by:

build in class CollectorComponent.Builder