1 /*
2 * File: AbstractDataView.java
3 * Created: 12.4.2007 9:31:24
4 *
5 * Copyright 2007 Michal Burda.
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21
22 package net.sf.webmancer.widget;
23
24 import net.sf.webmancer.db.IQuery;
25 import net.sf.webmancer.db.IRestrictable;
26 import net.sf.webmancer.db.IRestrictor;
27 import net.sf.webmancer.db.RestrictionType;
28 import net.sf.webmancer.util.ContractChecker;
29
30 /**
31 * @author Michal Burda
32 *
33 */
34 public abstract class AbstractDataView extends AbstractWidget implements IRestrictor {
35 /**
36 *
37 */
38 private IQuery query;
39
40 /**
41 * Constructs the AbstractDataView.
42 *
43 * @param query
44 */
45 public AbstractDataView() {
46 super();
47 this.query = null;
48 }
49
50 /**
51 * Sets the query.
52 *
53 * @param query the query to set
54 */
55 public void setQuery(IQuery query) {
56 ContractChecker.mustNotBeNull(query, "query");
57 this.query = query;
58 this.query.registerRestrictor(this);
59 }
60
61 /**
62 * @return
63 */
64 protected IQuery getQuery() {
65 return this.query;
66 }
67
68 /**
69 * @see net.sf.webmancer.db.IRestrictor#restrict(net.sf.webmancer.db.IRestrictable, net.sf.webmancer.db.RestrictionType)
70 */
71 public abstract void restrict(IRestrictable query, RestrictionType restriction);
72 }