public void Execute()
{
var groupingMatches = _selector.GetCandidatesMethodsOfGroupNameGrouped();
foreach (var matchGroup in groupingMatches)
{
ICollection <string> topics;
try
{
using (var client = _consumerClientFactory.Create(matchGroup.Key))
{
topics = client.FetchTopics(matchGroup.Value.Select(x => x.TopicName));
}
}
catch (BrokerConnectionException e)
{
_isHealthy = false;
_logger.LogError(e, e.Message);
return;
}
for (int i = 0; i < _options.ConsumerThreadCount; i++)
{
var topicIds = topics.Select(t => t);
Task.Factory.StartNew(() =>
{
try
{
using (var client = _consumerClientFactory.Create(matchGroup.Key))
{
_serverAddress = client.BrokerAddress;
RegisterMessageProcessor(client);
client.Subscribe(topicIds);
client.Listening(_pollingDelay, _cts.Token);
}
}
catch (OperationCanceledException)
{
//ignore
}
catch (BrokerConnectionException e)
{
_isHealthy = false;
_logger.LogError(e, e.Message);
}
catch (Exception e)
{
_logger.LogError(e, e.Message);
}
}, _cts.Token, TaskCreationOptions.LongRunning, TaskScheduler.Default);
}
}
_compositeTask = Task.CompletedTask;
}