public async Task StartAsync(
IConsumer <byte[], byte[]> consumer,
IEnumerable <TopicPartition> partitions,
CancellationToken stopCancellationToken = default)
{
this.offsetManager = new OffsetManager(
new OffsetCommitter(
consumer,
this.configuration.AutoCommitInterval,
this.logHandler),
partitions);
await Task.WhenAll(
Enumerable
.Range(0, this.configuration.WorkerCount)
.Select(
workerId =>
{
var worker = new ConsumerWorker(
consumer,
workerId,
this.configuration,
this.offsetManager,
this.logHandler,
this.middlewareExecutor);
this.workers.Add(worker);
return(worker.StartAsync(stopCancellationToken));
}))
.ConfigureAwait(false);
this.distributionStrategy = this.distributionStrategyFactory(this.dependencyResolver);
this.distributionStrategy.Init(this.workers.AsReadOnly());
}
public async Task StopAsync()
{
var currentWorkers = this.workers;
this.workers = new List <IConsumerWorker>();
await Task.WhenAll(currentWorkers.Select(x => x.StopAsync())).ConfigureAwait(false);
this.offsetManager?.Dispose();
this.offsetManager = null;
}
