/*
* 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 com.google.common.annotations.GwtCompatible;
import java.util.Collection;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import javax.annotation.Nullable;
/**
* A multimap which forwards all its method calls to another 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 Robert Konigsberg
* @since 2.0 (imported from Google Collections Library)
*/
@GwtCompatible
public abstract class ForwardingMultimap<K, V> extends ForwardingObject
implements Multimap<K, V> {
/** Constructor for use by subclasses. */
protected ForwardingMultimap() {}
@Override protected abstract Multimap<K, V> delegate();
@Override
public Map<K, Collection<V>> asMap() {
return delegate().asMap();
}
@Override
public void clear() {
delegate().clear();
}
@Override
public boolean containsEntry(@Nullable Object key, @Nullable Object value) {
return delegate().containsEntry(key, value);
}
@Override
public boolean containsKey(@Nullable Object key) {
return delegate().containsKey(key);
}
@Override
public boolean containsValue(@Nullable Object value) {
return delegate().containsValue(value);
}
@Override
public Collection<Entry<K, V>> entries() {
return delegate().entries();
}
@Override
public Collection<V> get(@Nullable K key) {
return delegate().get(key);
}
@Override
public boolean isEmpty() {
return delegate().isEmpty();
}
@Override
public Multiset<K> keys() {
return delegate().keys();
}
@Override
public Set<K> keySet() {
return delegate().keySet();
}
@Override
public boolean put(K key, V value) {
return delegate().put(key, value);
}
@Override
public boolean putAll(K key, Iterable<? extends V> values) {
return delegate().putAll(key, values);
}
@Override
public boolean putAll(Multimap<? extends K, ? extends V> multimap) {
return delegate().putAll(multimap);
}
@Override
public boolean remove(@Nullable Object key, @Nullable Object value) {
return delegate().remove(key, value);
}
@Override
public Collection<V> removeAll(@Nullable Object key) {
return delegate().removeAll(key);
}
@Override
public Collection<V> replaceValues(K key, Iterable<? extends V> values) {
return delegate().replaceValues(key, values);
}
@Override
public int size() {
return delegate().size();
}
@Override
public Collection<V> values() {
return delegate().values();
}
@Override public boolean equals(@Nullable Object object) {
return object == this || delegate().equals(object);
}
@Override public int hashCode() {
return delegate().hashCode();
}
}
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