protected override Task ExecuteAsync(CancellationToken stoppingToken)
{
Task.Run(() =>
{
try
{
logger.LogInformation("Enter ExecuteAsync");
var config = GetConsumerConfig();
var schemaRegistryConfig = GetSchemaRegistryConfig();
using (var schemaRegistry = new CachedSchemaRegistryClient(schemaRegistryConfig))
using (var consumer = new ConsumerBuilder <string, Kadaster.KadastraalOnroerendeZaakEvent>(config)
.SetValueDeserializer(new Confluent.SchemaRegistry.Serdes.AvroDeserializer <Kadaster.KadastraalOnroerendeZaakEvent>(schemaRegistry).AsSyncOverAsync())
.Build())
{
consumer.Subscribe("kadastraalonroerendezaken");
logger.LogInformation("Subscribed to topic kadastraalonroerendezaken");
while (!stoppingToken.IsCancellationRequested)
{
var result = consumer.Consume();
if (result?.Message?.Value?.NieuweToestand != null)
{
var kozTpo = new KozTpo
{
KozId = result.Message.Value.NieuweToestand.Id,
Topic = result.Topic,
Partition = result.Partition.Value,
Offset = result.Offset,
CreationTime = result.Message.Timestamp.UtcDateTime.ToLocalTime()
};
using (var scope = serviceProvider.CreateScope())
{
var repository = scope.ServiceProvider.GetRequiredService <IKozTpoRepository>();
var success = repository.Add(kozTpo).Result;
logger.LogInformation($"Kafka => KozTpo: {kozTpo.SerializeToJson()}: {success}");
}
}
}
logger.LogInformation("Background consuming cancelled");
consumer.Close();
}
}
catch (Exception ex)
{
logger.LogError(ex, "Exception thrown in BackgroundConsumer.ExecuteAsync");
}
});
return(Task.CompletedTask);
}
public async Task <bool> Add(KozTpo kozTpo)
{
context.Add(kozTpo);
return(await context.SaveChangesAsync() > 0);
}
