public IConnectionWrapper GetConnection()
{
if (_connectionFactory == null)
{
throw new ConnectionPoolWrongUseException();
}
if (_connectionFreeWrappers.Count > 0)
{
var connection = _connectionFreeWrappers.Pop();
_busyWrappers.Add(connection);
return(connection);
}
if (_connectionFreeWrappers.Count == 0 && _busyWrappers.Count >= Limit)
{
throw new OperationCanceledException();
}
if (_created == Limit)
{
throw new OperationCanceledException();
}
_created++;
var newConnection = new ConnectionWrapper(_connectionFactory.CreateNew(), this, _created);
_busyWrappers.Add(newConnection);
return(newConnection);
}