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  /*
   * Copyright (C) 2007 The Guava Authors
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   * http://www.apache.org/licenses/LICENSE-2.0
   *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
 
 package com.google.common.collect;
 
 
 import java.util.Map;
 
 import  javax.annotation.Nullable;

Basic implementation of the SortedSetMultimap interface. It's a wrapper around AbstractMultimap that converts the returned collections into sorted sets. The createCollection method must return a SortedSet.

Author(s):
Jared Levy
 
 abstract class AbstractSortedSetMultimap<K, V>
     extends AbstractSetMultimap<K, V> implements SortedSetMultimap<K, V> {
  
Creates a new multimap that uses the provided map.

Parameters:
map place to store the mapping from each key to its corresponding values
 
   protected AbstractSortedSetMultimap(Map<K, Collection<V>> map) {
     super(map);
   }
 
   @Override abstract SortedSet<V> createCollection();
 
   // Following Javadoc copied from Multimap and SortedSetMultimap.
 
  
Returns a collection view of all values associated with a key. If no mappings in the multimap have the provided key, an empty collection is returned.

Changes to the returned collection will update the underlying multimap, and vice versa.

Because a SortedSetMultimap has unique sorted values for a given key, this method returns a SortedSet, instead of the Collection specified in the Multimap interface.

 
   @Override public SortedSet<V> get(@Nullable K key) {
     return (SortedSet<V>) super.get(key);
   }

  
Removes all values associated with a given key. The returned collection is immutable.

Because a SortedSetMultimap has unique sorted values for a given key, this method returns a SortedSet, instead of the Collection specified in the Multimap interface.

 
   @Override public SortedSet<V> removeAll(@Nullable Object key) {
     return (SortedSet<V>) super.removeAll(key);
   }

  
Stores a collection of values with the same key, replacing any existing values for that key. The returned collection is immutable.

Because a SortedSetMultimap has unique sorted values for a given key, this method returns a SortedSet, instead of the Collection specified in the Multimap interface.

Any duplicates in values will be stored in the multimap once.

 
   @Override public SortedSet<V> replaceValues(
       K keyIterable<? extends V> values) {
     return (SortedSet<V>) super.replaceValues(keyvalues);
   }

  
Returns a map view that associates each key with the corresponding values in the multimap. Changes to the returned map, such as element removal, will update the underlying multimap. The map does not support setValue on its entries, put, or putAll.

When passed a key that is present in the map, asMap().get(Object) has the same behavior as get, returning a live collection. When passed a key that is not present, however, asMap().get(Object) returns null instead of an empty collection.

Though the method signature doesn't say so explicitly, the returned map has SortedSet values.

  @Override public Map<K, Collection<V>> asMap() {
    return super.asMap();
  }

  
Consequently, the values do not follow their natural ordering or the ordering of the value comparator.
  @Override public Collection<V> values() {
    return super.values();
  }
  private static final long serialVersionUID = 430848587173315748L;
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