//------------------------------------------------------------------------------
//
// This file is part of Toolkit for Conceptual Modeling (TCM).
// (c) copyright 1996, Vrije Universiteit Amsterdam.
// Author: Frank Dehne (frank@cs.vu.nl).
//
// TCM 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.
//
// TCM 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 more details.
//
// You should have received a copy of the GNU General Public License
// along with TCM; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
// 02111-1307, USA.
//-----------------------------------------------------------------------------
#ifndef _SCNODE_H
#define _SCNODE_H

#include "llist.h"
#include "node.h"
class SCGraph;

/// A node in a SCD.
class SCNode: public Node {
/*@Doc: {\large {\bf scope:} TSCD} */
public:
	///
	SCNode(SCGraph *g);
	///
	Subject::NameErrType SetName(const string *name);

	///
	virtual bool isina()  const =0 ;
	///
	virtual bool isino()  const =0 ;
	/// 
	SCNode *leader();
	///
	void GetFollowers(List <SCNode *> &scl);
	///
	void GetChildren(List <SCNode *> &scl);
	///
	bool isancestor(SCNode *anc);
};
#endif