com.google.common.collect.ForwardingTable Maven / Gradle / Ivy
Go to download
Guava is a suite of core and expanded libraries that include
utility classes, Google's collections, I/O classes, and
much more.
This project includes GWT-friendly sources.
/*
* 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;
import javax.annotation.CheckForNull;
import org.checkerframework.checker.nullness.qual.Nullable;
/**
* 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
*/
@GwtCompatible
@ElementTypesAreNonnullByDefault
public abstract class ForwardingTable<
R extends @Nullable Object, C extends @Nullable Object, V extends @Nullable Object>
extends ForwardingObject implements Table {
/** Constructor for use by subclasses. */
protected ForwardingTable() {}
@Override
protected abstract Table delegate();
@Override
public Set> cellSet() {
return delegate().cellSet();
}
@Override
public void clear() {
delegate().clear();
}
@Override
public Map column(@ParametricNullness C columnKey) {
return delegate().column(columnKey);
}
@Override
public Set columnKeySet() {
return delegate().columnKeySet();
}
@Override
public Map> columnMap() {
return delegate().columnMap();
}
@Override
public boolean contains(@CheckForNull Object rowKey, @CheckForNull Object columnKey) {
return delegate().contains(rowKey, columnKey);
}
@Override
public boolean containsColumn(@CheckForNull Object columnKey) {
return delegate().containsColumn(columnKey);
}
@Override
public boolean containsRow(@CheckForNull Object rowKey) {
return delegate().containsRow(rowKey);
}
@Override
public boolean containsValue(@CheckForNull Object value) {
return delegate().containsValue(value);
}
@Override
@CheckForNull
public V get(@CheckForNull Object rowKey, @CheckForNull Object columnKey) {
return delegate().get(rowKey, columnKey);
}
@Override
public boolean isEmpty() {
return delegate().isEmpty();
}
@CanIgnoreReturnValue
@Override
@CheckForNull
public V put(
@ParametricNullness R rowKey, @ParametricNullness C columnKey, @ParametricNullness V value) {
return delegate().put(rowKey, columnKey, value);
}
@Override
public void putAll(Table table) {
delegate().putAll(table);
}
@CanIgnoreReturnValue
@Override
@CheckForNull
public V remove(@CheckForNull Object rowKey, @CheckForNull Object columnKey) {
return delegate().remove(rowKey, columnKey);
}
@Override
public Map row(@ParametricNullness R rowKey) {
return delegate().row(rowKey);
}
@Override
public Set rowKeySet() {
return delegate().rowKeySet();
}
@Override
public Map> rowMap() {
return delegate().rowMap();
}
@Override
public int size() {
return delegate().size();
}
@Override
public Collection values() {
return delegate().values();
}
@Override
public boolean equals(@CheckForNull Object obj) {
return (obj == this) || delegate().equals(obj);
}
@Override
public int hashCode() {
return delegate().hashCode();
}
}
|