/// <summary>
/// Initializes a new instance of the <see cref="KafkaConsumer{T1,T2}"/> class.
/// </summary>
public KafkaConsumer(
KafkaConsumerProperties consumerProperties,
IDeserializer <T1> deserializer1,
IDeserializer <T2> deserializer2)
{
this.kafkaConsumerProperties = consumerProperties;
var configuration = this.GetKafkaConfiguration(consumerProperties);
this.consumer = new Consumer <T1, T2>(configuration, deserializer1, deserializer2);
this.consumer.Subscribe(this.kafkaConsumerProperties.TopicName);
}
/// <summary>
/// The get kafka configuration.
/// </summary>
private Dictionary <string, object> GetKafkaConfiguration(KafkaConsumerProperties consumerProperties)
{
string serverAddresses = string.Join(",", consumerProperties.ServerAddresses);
var configuration = new Dictionary <string, object>
{
[ConsumerGroupId] = consumerProperties.ConsumerGroupId,
[ServerAddresses] = serverAddresses
};
if (consumerProperties.AutoCommitIntervalInMilliseconds != null)
{
configuration.Add(AutoCommitIntervalInMilliseconds, consumerProperties.AutoCommitIntervalInMilliseconds);
}
if (consumerProperties.AutoOffsetReset != null)
{
configuration.Add(AutoOffsetReset, consumerProperties.AutoOffsetReset);
}
if (consumerProperties.MaximumParititionFetchBytes != null)
{
configuration.Add(MaximumPartitionFetchBytes, consumerProperties.MaximumParititionFetchBytes);
}
if (!string.IsNullOrWhiteSpace(consumerProperties.LoggingLevel))
{
configuration.Add(LoggingLevel, consumerProperties.LoggingLevel);
}
if (consumerProperties.UseSecureKafka)
{
configuration.Add(SecurityProtocol, consumerProperties.SecurityProtocol);
configuration.Add(SslCertificateLocation, consumerProperties.CertificateLocation);
configuration.Add(SslKeyLocation, consumerProperties.KeyLocation);
configuration.Add(SslKeyPassword, consumerProperties.KeyPassword);
configuration.Add(SslCaLocation, consumerProperties.CertificateAuthorityLocation);
}
return(configuration);
}