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 21 import java.util.Collection; 22 import java.util.SortedMap; 23 import java.util.SortedSet; 24 25 /** 26 * Basic implementation of a {@link SortedSetMultimap} with a sorted key set. 27 * 28 * This superclass allows {@code TreeMultimap} to override methods to return 29 * navigable set and map types in non-GWT only, while GWT code will inherit the 30 * SortedMap/SortedSet overrides. 31 * 32 * @author Louis Wasserman 33 */ 34 @GwtCompatible 35 abstract class AbstractSortedKeySortedSetMultimap<K, V> extends AbstractSortedSetMultimap<K, V> { 36 37 AbstractSortedKeySortedSetMultimap(SortedMap<K, Collection<V>> map) { 38 super(map); 39 } 40 41 @Override 42 public SortedMap<K, Collection<V>> asMap() { 43 return (SortedMap<K, Collection<V>>) super.asMap(); 44 } 45 46 @Override 47 SortedMap<K, Collection<V>> backingMap() { 48 return (SortedMap<K, Collection<V>>) super.backingMap(); 49 } 50 51 @Override 52 public SortedSet<K> keySet() { 53 return (SortedSet<K>) super.keySet(); 54 } 55 56 } 57
