/* This file is part of Ingen.
 * Copyright 2007-2011 David Robillard <http://drobilla.net>
 *
 * Ingen is free software; you can redistribute it and/or modify it under the
 * terms of the GNU General Public License as published by the Free Software
 * Foundation; either version 2 of the License, or (at your option) 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 General Public License for details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
 */

#ifndef INGEN_INTERFACE_NODE_HPP
#define INGEN_INTERFACE_NODE_HPP

#include <stdint.h>

#include "ingen/GraphObject.hpp"

namespace Ingen {

class Port;
class Plugin;

/** A Node (or "module") in a Patch (which is also a Node).
 *
 * A Node is a unit with input/output ports, a process() method, and some other
 * things.
 *
 * Purely virtual (except for the destructor).
 *
 * \ingroup interface
 */
class Node : public virtual GraphObject
{
public:
	virtual uint32_t      num_ports()          const = 0;
	virtual Port*         port(uint32_t index) const = 0;
	virtual const Plugin* plugin()             const = 0;
};

} // namespace Ingen

#endif // INGEN_INTERFACE_NODE_HPP