1 /**
2 * This file Copyright (c) 2003-2013 Magnolia International
3 * Ltd. (http://www.magnolia-cms.com). All rights reserved.
4 *
5 *
6 * This file is dual-licensed under both the Magnolia
7 * Network Agreement and the GNU General Public License.
8 * You may elect to use one or the other of these licenses.
9 *
10 * This file is distributed in the hope that it will be
11 * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
12 * implied warranty of MERCHANTABILITY or FITNESS FOR A
13 * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
14 * Redistribution, except as permitted by whichever of the GPL
15 * or MNA you select, is prohibited.
16 *
17 * 1. For the GPL license (GPL), you can redistribute and/or
18 * modify this file under the terms of the GNU General
19 * Public License, Version 3, as published by the Free Software
20 * Foundation. You should have received a copy of the GNU
21 * General Public License, Version 3 along with this program;
22 * if not, write to the Free Software Foundation, Inc., 51
23 * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
24 *
25 * 2. For the Magnolia Network Agreement (MNA), this file
26 * and the accompanying materials are made available under the
27 * terms of the MNA which accompanies this distribution, and
28 * is available at http://www.magnolia-cms.com/mna.html
29 *
30 * Any modifications to this file must keep this entire header
31 * intact.
32 *
33 */
34 package info.magnolia.cms.gui.query;
35
36 /**
37 * @author Sameer Charles $Id$
38 */
39 public interface SearchQueryExpression {
40
41 /**
42 * get left expression
43 * @return object on left
44 */
45 public SearchQueryExpression getLeft();
46
47 /**
48 * set left expression
49 * @param left object on left
50 */
51 public void setleft(SearchQueryExpression left);
52
53 /**
54 * checks if has left
55 * @return true if left object exist
56 */
57 public boolean hasLeft();
58
59 /**
60 * get right expression
61 * @return object on right
62 */
63 public SearchQueryExpression getRight();
64
65 /**
66 * set right expression
67 * @param right object on right
68 */
69 public void setRight(SearchQueryExpression right);
70
71 /**
72 * checks if has right
73 * @return true if right object exist
74 */
75 public boolean hasRight();
76
77 /**
78 * get string representation
79 * @return string representation if this expression
80 */
81 @Override
82 public String toString();
83
84 }