org.wikidata.query.rdf.tool.change

Class RdfKafkaOffsetsRepository

java.lang.Object

org.wikidata.query.rdf.tool.change.RdfKafkaOffsetsRepository

All Implemented Interfaces:

KafkaOffsetsRepository

public class RdfKafkaOffsetsRepository
extends Object
implements KafkaOffsetsRepository

Store and retrieve Kafka offsets from a permanent storage. This implementation uses Blazegraph as storage.

Constructor Summary

Constructors

Constructor and Description
RdfKafkaOffsetsRepository(URI root, RdfClient rdfClient)

Method Summary

Modifier and Type	Method and Description
Map<org.apache.kafka.common.TopicPartition,org.apache.kafka.clients.consumer.OffsetAndTimestamp>	load(Instant firstStartTime) Load Kafka offsets from storage.
void	store(Map<org.apache.kafka.common.TopicPartition,Long> partitionsAndOffsets) Store offsets in a permanent storage.

Methods inherited from class java.lang.Object

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

Constructor Detail

RdfKafkaOffsetsRepository

public RdfKafkaOffsetsRepository(URI root,
                                 RdfClient rdfClient)

Method Detail

load

public Map<org.apache.kafka.common.TopicPartition,org.apache.kafka.clients.consumer.OffsetAndTimestamp> load(Instant firstStartTime)

Load Kafka offsets from storage.

Specified by:

load in interface KafkaOffsetsRepository

Returns:

Mutable map that contains offsets per TopicPartition. Can be empty.

store

public void store(Map<org.apache.kafka.common.TopicPartition,Long> partitionsAndOffsets)

Store offsets in a permanent storage.

Specified by:

store in interface KafkaOffsetsRepository