/*
 * Copyright (C) 2009 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 com.google.errorprone.annotations.CanIgnoreReturnValue;
import java.util.Collection;
import java.util.Map;
import java.util.Set;

A table which forwards all its method calls to another table. Subclasses should override one or more methods to modify the behavior of the backing map as desired per the decorator pattern.
Author:Gregory Kick
Since:7.0
/** * A table which forwards all its method calls to another table. Subclasses should override one or * more methods to modify the behavior of the backing map as desired per the <a * href="http://en.wikipedia.org/wiki/Decorator_pattern">decorator pattern</a>. * * @author Gregory Kick * @since 7.0 */
@GwtCompatible public abstract class ForwardingTable<R, C, V> extends ForwardingObject implements Table<R, C, V> {
Constructor for use by subclasses.
/** Constructor for use by subclasses. */
protected ForwardingTable() {} @Override protected abstract Table<R, C, V> delegate(); @Override public Set<Cell<R, C, V>> cellSet() { return delegate().cellSet(); } @Override public void clear() { delegate().clear(); } @Override public Map<R, V> column(C columnKey) { return delegate().column(columnKey); } @Override public Set<C> columnKeySet() { return delegate().columnKeySet(); } @Override public Map<C, Map<R, V>> columnMap() { return delegate().columnMap(); } @Override public boolean contains(Object rowKey, Object columnKey) { return delegate().contains(rowKey, columnKey); } @Override public boolean containsColumn(Object columnKey) { return delegate().containsColumn(columnKey); } @Override public boolean containsRow(Object rowKey) { return delegate().containsRow(rowKey); } @Override public boolean containsValue(Object value) { return delegate().containsValue(value); } @Override public V get(Object rowKey, Object columnKey) { return delegate().get(rowKey, columnKey); } @Override public boolean isEmpty() { return delegate().isEmpty(); } @CanIgnoreReturnValue @Override public V put(R rowKey, C columnKey, V value) { return delegate().put(rowKey, columnKey, value); } @Override public void putAll(Table<? extends R, ? extends C, ? extends V> table) { delegate().putAll(table); } @CanIgnoreReturnValue @Override public V remove(Object rowKey, Object columnKey) { return delegate().remove(rowKey, columnKey); } @Override public Map<C, V> row(R rowKey) { return delegate().row(rowKey); } @Override public Set<R> rowKeySet() { return delegate().rowKeySet(); } @Override public Map<R, Map<C, V>> rowMap() { return delegate().rowMap(); } @Override public int size() { return delegate().size(); } @Override public Collection<V> values() { return delegate().values(); } @Override public boolean equals(Object obj) { return (obj == this) || delegate().equals(obj); } @Override public int hashCode() { return delegate().hashCode(); } }