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 com.google.gwt.user.client.rpc.SerializationException;
020import com.google.gwt.user.client.rpc.SerializationStreamReader;
021import com.google.gwt.user.client.rpc.SerializationStreamWriter;
022import java.util.Comparator;
023
024/**
025 * This class implements the GWT serialization of {@link ImmutableSetMultimap}.
026 *
027 * @author Chris Povirk
028 */
029public class ImmutableSetMultimap_CustomFieldSerializer {
030
031  public static void deserialize(
032      SerializationStreamReader reader, ImmutableSetMultimap<?, ?> instance) {}
033
034  // Serialization type safety is at the caller's mercy.
035  @SuppressWarnings("unchecked")
036  public static ImmutableSetMultimap<Object, Object> instantiate(SerializationStreamReader reader)
037      throws SerializationException {
038    Comparator<Object> valueComparator = (Comparator<Object>) reader.readObject();
039    ImmutableSetMultimap.Builder<Object, Object> builder = ImmutableSetMultimap.builder();
040    if (valueComparator != null) {
041      builder.orderValuesBy(valueComparator);
042    }
043    return (ImmutableSetMultimap<Object, Object>)
044        Multimap_CustomFieldSerializerBase.instantiate(reader, builder);
045  }
046
047  public static void serialize(
048      SerializationStreamWriter writer, ImmutableSetMultimap<?, ?> instance)
049      throws SerializationException {
050    writer.writeObject(instance.valueComparator());
051    Multimap_CustomFieldSerializerBase.serialize(writer, instance);
052  }
053}