1 /*
2 Copyright (C) 2004 Grid Systems, S.A.
3
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License, version 2, as
6 published by the Free Software Foundation.
7
8 This program is distributed in the hope that it will be useful,
9 but WITHOUT ANY WARRANTY; without even the implied warranty of
10 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 GNU General Public License for more details.
12
13 You should have received a copy of the GNU General Public License
14 along with this program; if not, write to the Free Software
15 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
16 */
17 package com.gridsystems.beanfilter;
18
19 /**
20 * OR logic operation.
21 *
22 * @author Rodrigo Ruiz
23 * @version 1.0
24 */
25 public class OrNode extends EvalNode {
26 /**
27 * Left operand.
28 */
29 private EvalNode lnode;
30
31 /**
32 * Right operand.
33 */
34 private EvalNode rnode;
35
36 /**
37 * Creates a new instance.
38 *
39 * @param lnode Left operand
40 * @param rnode Right operand
41 * @param token The token
42 */
43 public OrNode(Token token, EvalValue lnode, EvalValue rnode) {
44 super(token.beginLine, token.beginColumn);
45 this.lnode = new BooleanNode(lnode);
46 this.rnode = new BooleanNode(rnode);
47 }
48
49 /**
50 * Gets the left node.
51 *
52 * @return The left node
53 */
54 public EvalNode getLeftNode() {
55 return lnode;
56 }
57
58 /**
59 * Gets the right node.
60 *
61 * @return The right node
62 */
63 public EvalNode getRightNode() {
64 return rnode;
65 }
66
67 /**
68 * {@inheritDoc}
69 */
70 @Override public String toString() {
71 return lnode.toString() + " OR " + rnode.toString();
72 }
73
74 /**
75 * {@inheritDoc}
76 */
77 @Override public boolean eval(Object src) throws EvalException {
78 return (lnode != null && lnode.eval(src)) || (rnode != null && rnode.eval(src));
79 }
80 }