internal static bool PinChannelSourceAndChannelIfRequired(
IChannelSourceHandle channelSource,
IChannelHandle channel,
ICoreSessionHandle session,
out IChannelSourceHandle pinnedChannelSource,
out IChannelHandle pinnedChannel)
{
if (IsInLoadBalancedMode(channel.ConnectionDescription))
{
var server = channelSource.Server;
pinnedChannelSource = new ChannelSourceHandle(
new ChannelChannelSource(
server,
channel.Fork(),
session.Fork()));
if (session.IsInTransaction && !IsChannelPinned(session.CurrentTransaction))
{
session.CurrentTransaction.PinChannel(channel.Fork());
session.CurrentTransaction.PinnedServer = server;
}
pinnedChannel = channel.Fork();
return(true);
}
pinnedChannelSource = null;
pinnedChannel = null;
return(false);
}
internal static void PinChannellIfRequired(
IChannelSourceHandle channelSource,
IChannelHandle channel,
ICoreSessionHandle session)
{
if (IsInLoadBalancedMode(channel.ConnectionDescription) &&
session.IsInTransaction &&
!IsChannelPinned(session.CurrentTransaction))
{
if (channel.Connection is ICheckOutReasonTracker checkOutReasonTracker)
{
checkOutReasonTracker.SetCheckOutReasonIfNotAlreadySet(CheckOutReason.Transaction);
}
session.CurrentTransaction.PinChannel(channel.Fork());
session.CurrentTransaction.PinnedServer = channelSource.Server;
}
}
internal static IChannelSourceHandle CreateGetMoreChannelSource(IChannelSourceHandle channelSource, IChannelHandle channel, long cursorId)
{
IChannelSource effectiveChannelSource;
if (IsInLoadBalancedMode(channelSource.ServerDescription) && cursorId != 0)
{
if (channel.Connection is ICheckOutReasonTracker checkOutReasonTracker)
{
checkOutReasonTracker.SetCheckOutReasonIfNotAlreadySet(CheckOutReason.Cursor);
}
effectiveChannelSource = new ChannelChannelSource(
channelSource.Server,
channel.Fork(),
channelSource.Session.Fork());
}
else
{
effectiveChannelSource = new ServerChannelSource(channelSource.Server, channelSource.Session.Fork());
}
return(new ChannelSourceHandle(effectiveChannelSource));
}
public Task <IChannelHandle> GetChannelAsync(CancellationToken cancellationToken)
{
ThrowIfDisposed();
return(Task.FromResult(_channel.Fork()));
}
// private methods
private IChannelSourceHandle GetChannelSourceHelper()
{
return(new ChannelSourceHandle(new ChannelChannelSource(_server, _channel.Fork(), _session.Fork())));
}
private IChannelHandle GetChannelHelper()
{
return(_channel.Fork());
}
private Task <IChannelSourceHandle> GetChannelSourceAsync(CancellationToken cancellationToken)
{
ThrowIfDisposed();
return(Task.FromResult <IChannelSourceHandle>(new ChannelSourceHandle(new ChannelChannelSource(_server, _channel.Fork()))));
}