airlock help

string _prefix = "[DoorControl]";

class Airlock
{
    List<IMySensorBlock> _sensors = new List<IMySensorBlock>();
    List<IMyDoor> _inDoors = new List<IMyDoor>();
    List<IMyDoor> _outDoors = new List<IMyDoor>();
    bool _inState = false;
    bool _allowed = false;
    bool _inDoorState = false;
    bool _outDoorState = false;
    string _indoorNameTag = "Inner Airlock";
    string _outdoorNameTag = "Outer Airlock";
    Program _program;

    public Airlock(IMyBlockGroup group, Program program)
    {
        _program = program;

        // This gets the blocks for your current group using the CollectFunc defined lower down
        group.GetBlocks(null, CollectFunc);
    }

    public void DoWork()
    {
        // Do your logic in here now
        // if sensor blablabla
    }

    bool CollectFunc(IMyTerminalBlock b)
    {
        if (b is IMySensorBlock)
        {
            _sensors.Add((IMySensorBlock)b);
        }
        else if (b is IMyDoor)
        {
            var door = (IMyDoor)b;
            if (door.CustomName.Contains(_indoorNameTag))
            {
                _inDoors.Add(door);
            }
            else if (door.CustomName.Contains(_outdoorNameTag))
            {
                _outDoors.Add(door);
            }
        }
        return false; // So that we dont add to a null list
    }
}

List<Airlock> _airlocks = new List<Airlock>();
List<IMyBlockGroup> _groups = new List<IMyBlockGroup>();

Program()
{
    Runtime.UpdateFrequency = UpdateFrequency.Update10;
    GridTerminalSystem.GetBlockGroups(_groups, group => group.Name.Contains(_prefix));
    foreach (var group in _groups)
    {
        _airlocks.Add(new Airlock(group, this)); // We pass in the group and the current instance of this Program class
    }
}

void Main(string arg, UpdateType updateSource)
{
    foreach (var a in _airlocks)
    {
        a.DoWork();
    }
}