/*
* Copyright (C) 2010 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 com.google.common.annotations.GwtCompatible;
import java.util.Map.Entry;
import java.util.Set;
import javax.annotation.Nullable;
/**
* A set multimap which forwards all its method calls to another set multimap.
* Subclasses should override one or more methods to modify the behavior of
* the backing multimap as desired per the <a
* href="http://en.wikipedia.org/wiki/Decorator_pattern">decorator pattern</a>.
*
* @author Kurt Alfred Kluever
* @since 3.0
*/
@GwtCompatible
public abstract class ForwardingSetMultimap<K, V>
extends ForwardingMultimap<K, V> implements SetMultimap<K, V> {
@Override protected abstract SetMultimap<K, V> delegate();
@Override public Set<Entry<K, V>> entries() {
return delegate().entries();
}
@Override public Set<V> get(@Nullable K key) {
return delegate().get(key);
}
@Override public Set<V> removeAll(@Nullable Object key) {
return delegate().removeAll(key);
}
@Override public Set<V> replaceValues(K key, Iterable<? extends V> values) {
return delegate().replaceValues(key, values);
}
}
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