// methods
public async Task <IEnumerable <BsonDocument> > ExecuteAsync(IReadBinding binding, CancellationToken cancellationToken)
{
using (var channelSource = await binding.GetReadChannelSourceAsync(cancellationToken).ConfigureAwait(false))
{
IReadOperation <IEnumerable <BsonDocument> > operation;
if (channelSource.ServerDescription.Version >= __serverVersionSupportingUserManagementCommands)
{
operation = new FindUsersUsingUserManagementCommandsOperation(_databaseNamespace, _username, _messageEncoderSettings);
}
else
{
operation = new FindUsersUsingSystemUsersCollectionOperation(_databaseNamespace, _username, _messageEncoderSettings);
}
return(await operation.ExecuteAsync(channelSource, binding.ReadPreference, cancellationToken).ConfigureAwait(false));
}
}
// methods
public IEnumerable <BsonDocument> Execute(IReadBinding binding, CancellationToken cancellationToken)
{
using (var channelSource = binding.GetReadChannelSource(cancellationToken))
using (var channel = channelSource.GetChannel(cancellationToken))
using (var channelBinding = new ChannelReadBinding(channelSource.Server, channel, binding.ReadPreference, binding.Session.Fork()))
{
IReadOperation <IEnumerable <BsonDocument> > operation;
if (Feature.UserManagementCommands.IsSupported(channel.ConnectionDescription.ServerVersion))
{
operation = new FindUsersUsingUserManagementCommandsOperation(_databaseNamespace, _username, _messageEncoderSettings);
}
else
{
operation = new FindUsersUsingSystemUsersCollectionOperation(_databaseNamespace, _username, _messageEncoderSettings);
}
return(operation.Execute(channelBinding, cancellationToken));
}
}