/// <summary>
/// Gets an available message channel for use with async subscribers. It will
/// setup the message channel pool if configured to do so.
/// </summary>
/// <returns>
/// A channel for use, null if configuration dictates not to use the
/// channel pool.
/// </returns>
internal Channel<Msg> getMessageChannel()
{
lock (mu)
{
if (opts.subscriberDeliveryTaskCount > 0 && subChannelPool == null)
{
subChannelPool = new SubChannelPool(this,
opts.subscriberDeliveryTaskCount);
}
if (subChannelPool != null)
{
return subChannelPool.getChannel();
}
}
return null;
}
// caller must lock
// See Options.SubscriberDeliveryTaskCount
private void enableSubChannelPooling()
{
if (subChannelPool != null)
return;
if (opts.subscriberDeliveryTaskCount > 0)
{
subChannelPool = new SubChannelPool(this,
opts.subscriberDeliveryTaskCount);
}
}
