////////////////////////////////////////////////////////////////////////////////
//
// This file is part of Toolkit for Conceptual Modeling (TCM).
// (c) copyright 1997, 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.
////////////////////////////////////////////////////////////////////////////////
#include "outputfile.h"
#include "thing.h"
#include "diagram.h"

Thing::Thing() {
	id = 0;
}

Thing::Thing(const Thing &) {
	id = 0;
}

Thing::~Thing() {}

void Thing::Write(OutputFile *ofile) {
	// write Thing class name to file and the id.
	if (CheckReferences()) {
		(*ofile) << Code::GetName(GetClassType()) << 
			" " << GetId() << "\n{\n";
		WriteMembers(ofile);
		(*ofile) << "}\n\n";
	}
}

unsigned long Thing::GetId() {
	if (id == 0)
		id = Diagram::sequence.GetNext();
	return id;
}