001/*
002 * Copyright (C) 2009 The Guava Authors
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 * http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016
017package com.google.common.collect;
018
019import static com.google.common.base.Preconditions.checkNotNull;
020
021import com.google.gwt.user.client.rpc.SerializationException;
022import com.google.gwt.user.client.rpc.SerializationStreamReader;
023import com.google.gwt.user.client.rpc.SerializationStreamWriter;
024
025/**
026 * This class implements the GWT serialization of {@link SingletonImmutableBiMap}.
027 *
028 * @author Chris Povirk
029 */
030public class SingletonImmutableBiMap_CustomFieldSerializer {
031
032  public static void deserialize(
033      SerializationStreamReader reader, SingletonImmutableBiMap<?, ?> instance) {}
034
035  public static SingletonImmutableBiMap<Object, Object> instantiate(
036      SerializationStreamReader reader) throws SerializationException {
037    Object key = checkNotNull(reader.readObject());
038    Object value = checkNotNull(reader.readObject());
039    return new SingletonImmutableBiMap<>(key, value);
040  }
041
042  public static void serialize(
043      SerializationStreamWriter writer, SingletonImmutableBiMap<?, ?> instance)
044      throws SerializationException {
045    writer.writeObject(instance.singleKey);
046    writer.writeObject(instance.singleValue);
047  }
048}