public:

//*** constructors/destructors ***//

// default constructor

RtInput();

// destructor

virtual ~RtInput();

// set the activatable property

void setActivatable(bool _activatable) { activatable = _activatable; }

// get the activatable property

bool isActivatable() { return activatable; }

// opens an io object and initialize it

// out:

// true (for success) or false

virtual bool open(RtConfig &config);

// closes both the io object and task base

// out:

// true (for success) or false

virtual bool close();

// set the id string

void setID(const string &s);

// add a string to the input id

void addToID(string add);

// get the id string

string getID();

protected:

//*** private data members ***//

// callback to receive the input

//sigc::signal<void, RtData&> callback;

string inputID;

bool activatable;