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1   /*
2    * Copyright (C) 2009 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  
17  package com.google.common.collect;
18  
19  import com.google.gwt.user.client.rpc.SerializationException;
20  import com.google.gwt.user.client.rpc.SerializationStreamReader;
21  import com.google.gwt.user.client.rpc.SerializationStreamWriter;
22  import java.util.Comparator;
23  
24  /**
25   * This class implements the GWT serialization of {@link ComparatorOrdering}.
26   *
27   * @author Chris Povirk
28   */
29  public class ComparatorOrdering_CustomFieldSerializer {
30  
31    public static void deserialize(
32        SerializationStreamReader reader, ComparatorOrdering<?> instance) {}
33  
34    @SuppressWarnings("unchecked") // deserialization is unsafe
35    public static ComparatorOrdering<Object> instantiate(SerializationStreamReader reader)
36        throws SerializationException {
37      return new ComparatorOrdering<>((Comparator<Object>) reader.readObject());
38    }
39  
40    public static void serialize(SerializationStreamWriter writer, ComparatorOrdering<?> instance)
41        throws SerializationException {
42      writer.writeObject(instance.comparator);
43    }
44  }