57cbf4051cea0b9b3e60d03429d5d5a00d5d97b1
[demoscenemusic.git] / src / main / java / net / pterodactylus / demoscenemusic / data / DefaultGroup.java
1 /*
2  * DemosceneMusic - AbstractGroup.java - Copyright © 2012 David Roden
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 as published by
6  * the Free Software Foundation, either version 3 of the License, or
7  * (at your option) any later version.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
16  */
17
18 package net.pterodactylus.demoscenemusic.data;
19
20 import java.util.Collection;
21 import java.util.Comparator;
22
23 /**
24  * Default implementation of a group data container.
25  *
26  * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
27  */
28 public class DefaultGroup extends DefaultBase implements Group {
29
30         /** Comparator that sorts groups by name. */
31         public static final Comparator<Group> NAME_COMPARATOR = new Comparator<Group>() {
32
33                 @Override
34                 public int compare(Group leftGroup, Group rightGroup) {
35                         return leftGroup.getName().compareToIgnoreCase(rightGroup.getName());
36                 }
37
38         };
39
40         /**
41          * Creates a new group data container.
42          *
43          * @param id
44          *            The ID of the group
45          */
46         public DefaultGroup(String id) {
47                 super(id);
48         }
49
50         //
51         // GROUP METHODS
52         //
53
54         /**
55          * {@inheritDoc}
56          */
57         @Override
58         public String getName() {
59                 return getValue("name", String.class).get();
60         }
61
62         /**
63          * {@inheritDoc}
64          */
65         @Override
66         public Group setName(String name) {
67                 getValue("name", String.class).set(name);
68                 return this;
69         }
70
71         /**
72          * {@inheritDoc}
73          */
74         @Override
75         @SuppressWarnings("unchecked")
76         public Collection<Artist> getArtists() {
77                 return getValue("artists", Collection.class).get();
78         }
79
80         /**
81          * {@inheritDoc}
82          */
83         @Override
84         public Group setArtists(Collection<Artist> artists) {
85                 getValue("artists", Collection.class).set(artists);
86                 return this;
87         }
88
89         //
90         // OBJECT METHODS
91         //
92
93         /**
94          * {@inheritDoc}
95          */
96         @Override
97         public int hashCode() {
98                 return getId().hashCode();
99         }
100
101         /**
102          * {@inheritDoc}
103          */
104         @Override
105         public boolean equals(Object object) {
106                 if (!(object instanceof Group)) {
107                         return false;
108                 }
109                 return ((Group) object).getId().equals(getId());
110         }
111
112 }