/// <summary>
/// Publish an IntegrationEvent to external Event Bus
/// </summary>
/// <param name="metadata">The tracker</param>
/// <param name="integrationEvent">The IntegrationEvent needs to be send</param>
/// <returns></returns>
protected async Task PublishAsync(IntegrationEvent integrationEvent, IRequestMetadata metadata = null)
{
if (integrationEvent == null)
{
throw new ArgumentNullException(nameof(integrationEvent));
}
if (metadata != null)
{
integrationEvent.AppendTraceMetadata(metadata);
}
await _publisher.PublishAsync(integrationEvent).ConfigureAwait(false);
}
