1 /* readonlymultimap.vala
3 * Copyright (C) 2013 Maciej Piechotka
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2.1 of the License, or (at your option) any later version.
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 * Maciej Piechotka <uzytkownik2@gmail.com>
26 * Read-only view for {@link MultiMap} collections.
28 * This class decorates any class which implements the {@link MultiMap}
29 * interface by making it read only. Any method which normally modify data will
34 internal class Gee.ReadOnlyMultiMap<K, V> : Object, MultiMap<K, V> {
36 * Constructs a read-only multi-set that mirrors the content of the specified
39 * @param multiset the multi-set to decorate.
41 public ReadOnlyMultiMap (MultiMap<K, V> multimap) {
42 this._multimap = multimap;
48 public int size { get { return _multimap.size; } }
53 public bool read_only { get { return true; } }
58 public Set<K> get_keys () {
59 return _multimap.get_keys ();
65 public MultiSet<K> get_all_keys () {
66 return _multimap.get_all_keys ();
72 public Collection<V> get_values () {
73 return _multimap.get_values ();
79 public bool contains (K key) {
80 return _multimap.contains (key);
86 public new Collection<V> get (K key) {
87 return _multimap.get (key);
93 public new void set (K key, V value) {
94 assert_not_reached ();
100 public bool remove (K key, V value) {
101 assert_not_reached ();
107 public bool remove_all (K key) {
108 assert_not_reached ();
114 public void clear () {
115 assert_not_reached ();
121 public MapIterator<K, V> map_iterator () {
122 return new ReadOnlyMap.MapIterator<K, V> (_multimap.map_iterator ());
128 public virtual new MultiMap<K, V> read_only_view { owned get { return this; } }
130 private MultiMap<K, V> _multimap;