WatershedFIFO.java

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package watershed;

/*
 * Watershed plugin
 *
 * Copyright (c) 2003 by Christopher Mei (christopher.mei@sophia.inria.fr)
 *
 * This plugin is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 
 * as published by the Free Software Foundation.
 *
 * This program 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 this plugin; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

import java.util.LinkedList;

public class WatershedFIFO {
        private LinkedList watershedFIFO;

        public WatershedFIFO() {
                watershedFIFO = new LinkedList();
        }

        public void fifo_add(WatershedPixel p) {
                watershedFIFO.addFirst(p);
        }

        public WatershedPixel fifo_remove() {
                return (WatershedPixel) watershedFIFO.removeLast();
        }

        public boolean fifo_empty() {
                return watershedFIFO.isEmpty();
        }

        public void fifo_add_FICTITIOUS() {
                watershedFIFO.addFirst(new WatershedPixel());
        }


        @Override
        public String toString() {
                StringBuffer ret = new StringBuffer();
                for (int i = 0; i < watershedFIFO.size(); i++) {
                        ret.append(((WatershedPixel) watershedFIFO.get(i)).toString());
                        ret.append("\n");
                }
                return ret.toString();
        }


}