/// <summary>
/// Handle the connection of a fetcher (potentially a new fetcher) for this partition
/// </summary>
/// <param name="newFetcher">The fetcher to use to fetch for this TopicPartition</param>
private void OnNewFetcher(Fetcher newFetcher)
{
// first close the subscription to the old fetcher if there is one.
if (_currentfetcherSubscription != null)
{
_currentfetcherSubscription.Dispose();
}
// now subscribe to the new fetcher. This will begin pumping messages through to the consumer.
if (newFetcher != null)
{
_log.Debug("{0} Received new fetcher. Fetcher: {1}. Subscribing to this fetcher.", this, newFetcher);
_currentfetcherSubscription = newFetcher.Subscribe(this);
newFetcher.PartitionsUpdated();
}
}
