private bool MessageHandler(Confluent.Kafka.Message <Null, string> msg)
{
using (StringReader strReader = new StringReader(msg.Value))
{
var someContractObj = (SomeContract)serializer.Deserialize(strReader);
this.Buffer.Add(someContractObj);
this.OffsetPartition.Add(msg.TopicPartitionOffset);
}
return(false);
}
private static void StartProducing(ILogger logger, IConfiguration config, SchemaRegistryConfig schemaRegistryConfig)
{
var cachedSchemaRegistryClient = new CachedSchemaRegistryClient(schemaRegistryConfig);
var producerFactory = new ProducerFactory <string, Record>(
logger,
new ProtobufSerializer <Record>(cachedSchemaRegistryClient),
KafkaOptions.ForProducer(config));
var kafkaProducer = producerFactory.CreateProducer();
for (int i = 0; i < 10; i++)
{
var person = new Person
{
Id = i,
Name = $"{nameof(Person.Name)} {i}",
Email = $"{nameof(Person.Email)} {i}",
Age = 20 + i,
PhoneNumber = $"{nameof(Person.PhoneNumber)} {i}"
};
var address = new Address
{
PersonId = i,
State = $"{nameof(Address.State)} {i}",
Street = $"{nameof(Address.Street)} {i}",
ZipCode = $"{nameof(Address.ZipCode)} {i}",
};
var personRecord = new Record {
CreatedDate = Timestamp.FromDateTime(DateTime.UtcNow), Id = Guid.NewGuid().ToString(), Payload = Any.Pack(person)
};
var addressRecord = new Record {
CreatedDate = Timestamp.FromDateTime(DateTime.UtcNow), Id = Guid.NewGuid().ToString(), Payload = Any.Pack(address)
};
var personMessage = new Confluent.Kafka.Message <string, Record>
{
Key = Guid.NewGuid().ToString(),
Value = personRecord
};
var addressMessage = new Message <string, Record>
{
Key = Guid.NewGuid().ToString(),
Value = addressRecord
};
logger.Information(
"Sending message => Topic: {Topic} Key: {Key} Value: {Value}",
PERSON_TOPIC,
personMessage.Key,
personMessage.Value);
kafkaProducer.ProduceAsync(PERSON_TOPIC, personMessage)
.GetAwaiter()
.GetResult();
logger.Information(
"Sending message => Topic: {Topic} Key: {Key} Value: {Value}",
PERSON_TOPIC,
addressMessage.Key,
addressMessage.Value);
kafkaProducer.ProduceAsync(PERSON_TOPIC, addressMessage)
.GetAwaiter()
.GetResult();
}
}