001    /*
002     *  www.ti.bfh.ch
003     *
004     *  Copyright 2007, Berne University of Applied Sciences, 
005     *  School of Engineering and Information Technology
006     *  and individual contributors as indicated by the @authors tag.
007     *
008     *  This is free software; you can redistribute it and/or modify it under the terms of the 
009     *  GNU Lesser General Public License as published by the Free Software Foundation; 
010     *  either version 3 of the License, or (at your option) any later version.
011     *
012     *  This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
013     *  without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 
014     *  See the GNU Lesser General Public License for more details.
015     *
016     *  You should have received a copy of the GNU Lesser General Public License along with this software; 
017     *  if not, see <http://www.gnu.org/licenses/>.
018     *
019     */
020    package ch.bfh.algo.core.sequence;
021    
022    import ch.bfh.algo.InvalidAccessorException;
023    import ch.bfh.algo.core.GenericLocator;
024    
025    public class ConcreteLocator<E,P extends ConcretePosition<E,P>> implements GenericLocator<E,P> {
026            
027            protected E element;
028            private P position;
029            
030            public E element(){
031                    if(this.position==null) throw new InvalidAccessorException();
032                    else return this.element;
033            }
034            
035            protected void setElement(E element){
036                    this.element=element;
037            }
038            
039            public P position(){
040                    return this.position;
041            }
042            
043            protected void setPosition(P position){
044                    this.position=position;
045            }
046    }