/*
 * 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 java.util.Collection;
import java.util.Map;
import java.util.Set;

import com.google.common.annotations.GwtCompatible;

/**
 * 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. */
	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();
	}

	@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);
	}

	@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();
	}
}
