1   /*
2    * Copyright (C) 2012 The Guava Authors
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    * http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  
17  package com.google.common.collect;
18  
19  import com.google.common.annotations.GwtCompatible;
20  import com.google.common.base.Predicate;
21  
22  import java.util.Map.Entry;
23  import java.util.Set;
24  
25  /**
26   * Implementation of {@link Multimaps#filterEntries(SetMultimap, Predicate)}.
27   * 
28   * @author Louis Wasserman
29   */
30  @GwtCompatible
31  final class FilteredEntrySetMultimap<K, V> extends FilteredEntryMultimap<K, V>
32      implements FilteredSetMultimap<K, V> {
33  
34    FilteredEntrySetMultimap(SetMultimap<K, V> unfiltered, Predicate<? super Entry<K, V>> predicate) {
35      super(unfiltered, predicate);
36    }
37    
38    @Override
39    public SetMultimap<K, V> unfiltered() {
40      return (SetMultimap<K, V>) unfiltered;
41    }
42  
43    @Override
44    public Set<V> get(K key) {
45      return (Set<V>) super.get(key);
46    }
47    
48    @Override
49    public Set<V> removeAll(Object key) {
50      return (Set<V>) super.removeAll(key);
51    }
52  
53    @Override
54    public Set<V> replaceValues(K key, Iterable<? extends V> values) {
55      return (Set<V>) super.replaceValues(key, values);
56    }
57  
58    @Override
59    Set<Entry<K, V>> createEntries() {
60      return Sets.filter(unfiltered().entries(), entryPredicate());
61    }
62  
63    @Override
64    public Set<Entry<K, V>> entries() {
65      return (Set<Entry<K, V>>) super.entries();
66    }
67  }