public void Init(IProviderConfiguration config, string providerName, Logger logger, IServiceProvider serviceProvider)
{
if (config == null)
{
throw new ArgumentNullException(nameof(config));
}
if (logger == null)
{
throw new ArgumentNullException(nameof(logger));
}
if (String.IsNullOrEmpty(providerName))
{
throw new ArgumentNullException(nameof(providerName));
}
// Creating an options object with all the config values
_options = new KafkaStreamProviderOptions(config);
if (!_options.UsingExternalMetrics)
{
Metric.Config.WithHttpEndpoint($"http://localhost:{_options.MetricsPort}/");
}
if (!_options.IncludeMetrics)
{
Metric.Context("KafkaStreamProvider").Advanced.CompletelyDisableMetrics();
}
_providerName = providerName;
_streamQueueMapper = new HashRingBasedStreamQueueMapper(_options.NumOfQueues, providerName);
_logger = logger;
_adapter = new KafkaQueueAdapter(_streamQueueMapper, _options, providerName, new KafkaBatchFactory(), _logger);
_adapterCache = new TimedQueueAdapterCache(this, TimeSpan.FromSeconds(_options.CacheTimespanInSeconds), _options.CacheSize, _options.CacheNumOfBuckets, logger);
}
public Task <IQueueAdapter> CreateAdapter()
{
if (_adapter == null)
{
_adapter = new KafkaQueueAdapter(_streamQueueMapper, _options, _providerName, new KafkaBatchFactory(_dataAdapterFactory()), _logger);
}
return(Task.FromResult <IQueueAdapter>(_adapter));
}