private IProducer <string, GenericRecord> CreateProducer() =>
new ProducerBuilder <string, GenericRecord>(new ProducerConfig {
BootstrapServers = (string)_config[KafkaPropNames.BootstrapServers]
})
.SetKeySerializer(Serializers.Utf8)
.SetValueSerializer(new AvroSerializer <GenericRecord>(_genericRecordConfig.GetSchemaRegistryClient()))
.Build();
private IConsumer <string, GenericRecord> CreateConsumer()
{
var consumer = new ConsumerBuilder <string, GenericRecord>(
new ConsumerConfig
{
BootstrapServers = (string)_config[KafkaPropNames.BootstrapServers],
GroupId = (string)_config[KafkaPropNames.GroupId],
AutoOffsetReset = AutoOffsetReset.Earliest
})
.SetKeyDeserializer(Deserializers.Utf8)
.SetValueDeserializer(new AvroDeserializer <GenericRecord>(_genericRecordConfig.GetSchemaRegistryClient()).AsSyncOverAsync())
.SetErrorHandler((_, e) => _logger(e.Reason))
.SetStatisticsHandler((_, json) => Console.WriteLine($"Stats: {json}"))
.Build();
consumer.Assign(new List <TopicPartitionOffset> {
new TopicPartitionOffset(_topic, (int)_config[KafkaPropNames.Partition], (int)_config[KafkaPropNames.Offset])
});
_creationTime = DateTime.Now;
return(consumer);
}