/*
  This file is part of Ingen.
  Copyright 2007-2012 David Robillard <http://drobilla.net/>

  Ingen is free software: you can redistribute it and/or modify it under the
  terms of the GNU Affero General Public License as published by the Free
  Software Foundation, either version 3 of the License, or any later version.

  Ingen is distributed in the hope that it will be useful, but WITHOUT ANY
  WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
  A PARTICULAR PURPOSE.  See the GNU Affero General Public License for details.

  You should have received a copy of the GNU Affero General Public License
  along with Ingen.  If not, see <http://www.gnu.org/licenses/>.
*/

#ifndef INGEN_INTERFACE_PORT_HPP
#define INGEN_INTERFACE_PORT_HPP

#include <stdint.h>

#include "ingen/GraphObject.hpp"

namespace Raul { class Atom; }

namespace Ingen {

/** A Port on a Node.
 *
 * Purely virtual (except for the destructor).
 *
 * \ingroup interface
 */
class Port : public virtual GraphObject
{
public:
	virtual bool supports(const Raul::URI& value_type) const = 0;

	virtual uint32_t          index()    const = 0;
	virtual bool              is_input() const = 0;
	virtual const Raul::Atom& value()    const = 0;
};

} // namespace Ingen

#endif // INGEN_INTERFACE_PORT_HPP