1 /*
2 * ModeShape (http://www.modeshape.org)
3 * See the COPYRIGHT.txt file distributed with this work for information
4 * regarding copyright ownership. Some portions may be licensed
5 * to Red Hat, Inc. under one or more contributor license agreements.
6 * See the AUTHORS.txt file in the distribution for a full listing of
7 * individual contributors.
8 *
9 * ModeShape is free software. Unless otherwise indicated, all code in ModeShape
10 * is licensed to you under the terms of the GNU Lesser General Public License as
11 * published by the Free Software Foundation; either version 2.1 of
12 * the License, or (at your option) any later version.
13 *
14 * ModeShape 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 GNU
17 * Lesser General Public License for more details.
18 *
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with this software; if not, write to the Free
21 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
22 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
23 */
24 package org.modeshape.graph;
25
26 import java.util.UUID;
27 import net.jcip.annotations.Immutable;
28 import org.modeshape.graph.property.Path;
29 import org.modeshape.graph.property.Property;
30 import org.modeshape.graph.property.basic.BasicSingleValueProperty;
31
32 /**
33 * General purpose location type that supports a path and a UUID property. This class should never be directly instantiated by
34 * users of the ModeShape framework. Instead, use @{link Location#create} to create the correct location.
35 *
36 * @see Location
37 */
38 @Immutable
39 final class LocationWithPathAndUuid extends LocationWithPathAndProperty {
40
41 private static final long serialVersionUID = 1L;
42
43 private final UUID uuid;
44
45 /**
46 * Create a new location with a given path and identification property.
47 *
48 * @param path the path
49 * @param uuid the UUID
50 */
51 LocationWithPathAndUuid( Path path,
52 UUID uuid ) {
53 super(path, new BasicSingleValueProperty(ModeShapeLexicon.UUID, uuid));
54 assert uuid != null;
55 this.uuid = uuid;
56 }
57
58 /**
59 * {@inheritDoc}
60 *
61 * @see Location#getUuid()
62 */
63 @Override
64 public final UUID getUuid() {
65 return uuid;
66 }
67
68 /**
69 * {@inheritDoc}
70 *
71 * @see Location#with(Property)
72 */
73 @Override
74 public Location with( Property idProperty ) {
75 if (idProperty == null || idProperty.isEmpty()) return this;
76 if (ModeShapeLexicon.UUID.equals(idProperty.getName())) {
77 if (idProperty.isSingle() && uuid.equals(idProperty.getFirstValue())) return this;
78 return Location.create(getPath(), idProperty);
79 }
80 return Location.create(getPath(), getIdProperties().get(0), idProperty);
81 }
82
83 /**
84 * {@inheritDoc}
85 *
86 * @see Location#with(Path)
87 */
88 @Override
89 public Location with( Path path ) {
90 if (path == null) return Location.create(uuid);
91 if (getPath().equals(path)) return this;
92 return Location.create(path, uuid);
93 }
94
95 /**
96 * {@inheritDoc}
97 *
98 * @see Location#with(UUID)
99 */
100 @Override
101 public Location with( UUID uuid ) {
102 if (uuid == null) return Location.create(getPath());
103 if (uuid.equals(this.uuid)) return this;
104 return Location.create(getPath(), uuid);
105 }
106 }