1 package net.sourceforge.jenesis4java;
2
3 /*
4 * #%L
5 * Jenesis 4 Java Code Generator
6 * %%
7 * Copyright (C) 2000 - 2016 jenesis4java
8 * %%
9 * This program is free software: you can redistribute it and/or modify
10 * it under the terms of the GNU Lesser General Public License as
11 * published by the Free Software Foundation, either version 3 of the
12 * License, or (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Lesser Public License for more details.
18 *
19 * You should have received a copy of the GNU General Lesser Public
20 * License along with this program. If not, see
21 * <http://www.gnu.org/licenses/lgpl-3.0.html>.
22 * #L%
23 */
24
25 /**
26 * Visitor implementation that can be used with {@link Codeable} instances.
27 */
28 public interface ReplacingVisitor {
29
30 /**
31 * This method is called for each field of the visited element. An
32 * implementation can choose to overwrite (or delete) a field by returning
33 * the new value. If no changes are to be made, return the current element.
34 *
35 * @param current
36 * The currently visited object.
37 * @param parent
38 * The parent instance of the visited object. This is the object
39 * the {@link Codeable#visit} is called on.
40 * @return The new object that is to be used in place of the given visited
41 * object.
42 */
43 Codeable visitReplace(Codeable current, Codeable parent);
44
45 }