001    /*--------------------------------------------------------------------------+
002    $Id: IVisitor.java 26283 2010-02-18 11:18:57Z juergens $
003    |                                                                          |
004    | Copyright 2005-2010 Technische Universitaet Muenchen                     |
005    |                                                                          |
006    | Licensed under the Apache License, Version 2.0 (the "License");          |
007    | you may not use this file except in compliance with the License.         |
008    | You may obtain a copy of the License at                                  |
009    |                                                                          |
010    |    http://www.apache.org/licenses/LICENSE-2.0                            |
011    |                                                                          |
012    | Unless required by applicable law or agreed to in writing, software      |
013    | distributed under the License is distributed on an "AS IS" BASIS,        |
014    | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
015    | See the License for the specific language governing permissions and      |
016    | limitations under the License.                                           |
017    +--------------------------------------------------------------------------*/
018    package edu.tum.cs.commons.visitor;
019    
020    import edu.tum.cs.commons.error.NeverThrownRuntimeException;
021    
022    /**
023     * Generic visitor interface.
024     * 
025     * @param <E>
026     *            the type being visited.
027     * @param <X>
028     *            type of exception thrown by the visitor. Use
029     *            {@link NeverThrownRuntimeException} if no exceptions are thrown.
030     * @author deissenb
031     * @author $Author: juergens $
032     * @version $Rev: 26283 $
033     * @levd.rating GREEN Hash: 32AA0FF6E7D138496111366F2424488E
034     */
035    public interface IVisitor<E, X extends Exception> {
036    
037            /** Visit element. */
038            public void visit(E element) throws X;
039    }