1 /**
2 * This file Copyright (c) 2009-2018 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.imaging.parameters;
35
36 import info.magnolia.cms.core.NodeData;
37 import info.magnolia.cms.util.NodeDataWrapper;
38
39 /**
40 * A {@link info.magnolia.cms.util.NodeDataWrapper} which simply defines equals() and hashCode() methods
41 * based on the property's path and HierarchyManager name.
42 * It also caches the handle of the node, so that equals() and hashCode()
43 * can be used even if the node's JCR session was terminated.
44 * @deprecated since 3.4 with no replacement.
45 */
46 @Deprecated
47 public class SimpleEqualityNodeDataWrapper extends NodeDataWrapper {
48 private final String handle;
49
50 public SimpleEqualityNodeDataWrapper(NodeData nodeData) {
51 super(nodeData);
52 this.handle = nodeData.getHandle();
53 }
54
55 @Override
56 public String getHandle() {
57 return handle;
58 }
59
60 @Override
61 public boolean equals(Object o) {
62 return isSame((NodeData) o);
63 }
64
65 private boolean isSame(NodeData other) {
66 return getHierarchyManager().getName().equals(other.getHierarchyManager().getName())
67 && getHandle().equals(other.getHandle());
68 }
69
70 @Override
71 public int hashCode() {
72 return (31 * getHandle().hashCode()) + getHierarchyManager().getName().hashCode();
73 }
74 }