1/*
2 * Copyright (C) 2011 The Guava Authors
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.google.common.collect;
18
19import com.google.gwt.user.client.rpc.SerializationException;
20import com.google.gwt.user.client.rpc.SerializationStreamReader;
21import com.google.gwt.user.client.rpc.SerializationStreamWriter;
22import com.google.gwt.user.client.rpc.core.java.util.Collection_CustomFieldSerializerBase;
23
24import java.util.List;
25
26/**
27 * This class implements the GWT serialization of {@link RegularImmutableMultiset}.
28 *
29 * @author Louis Wasserman
30 */
31public class RegularImmutableMultiset_CustomFieldSerializer {
32  public static void deserialize(SerializationStreamReader reader,
33      RegularImmutableMultiset<?> instance) {
34  }
35
36  public static RegularImmutableMultiset<Object> instantiate(
37      SerializationStreamReader reader) throws SerializationException {
38    List<Object> elements = Lists.newArrayList();
39    Collection_CustomFieldSerializerBase.deserialize(reader, elements);
40    /*
41     * For this custom field serializer to be invoked, the set must have been
42     * RegularImmutableMultiset before it's serialized. Since
43     * RegularImmutableMultiset always have one or more elements,
44     * ImmutableMultiset.copyOf always return a RegularImmutableMultiset back.
45     */
46    return (RegularImmutableMultiset<Object>) ImmutableMultiset
47        .copyOf(elements);
48  }
49
50  public static void serialize(SerializationStreamWriter writer,
51      RegularImmutableMultiset<?> instance) throws SerializationException {
52    Collection_CustomFieldSerializerBase.serialize(writer, instance);
53  }
54}
55