2 * Copyright 2014-present Open Networking Foundation
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
16 package io.atomix.utils.serializer.serializers;
18 import com.esotericsoftware.kryo.Kryo;
19 import com.esotericsoftware.kryo.Serializer;
20 import com.esotericsoftware.kryo.io.Input;
21 import com.esotericsoftware.kryo.io.Output;
22 import com.google.common.collect.ImmutableMap;
23 import com.google.common.collect.ImmutableMap.Builder;
25 import java.util.Map.Entry;
28 * Kryo Serializer for {@link ImmutableMap}.
30 public class ImmutableMapSerializer extends Serializer<ImmutableMap<?, ?>> {
33 * Creates {@link ImmutableMap} serializer instance.
35 public ImmutableMapSerializer() {
36 // non-null, immutable
41 public void write(Kryo kryo, Output output, ImmutableMap<?, ?> object) {
42 output.writeInt(object.size());
43 for (Entry<?, ?> e : object.entrySet()) {
44 kryo.writeClassAndObject(output, e.getKey());
45 kryo.writeClassAndObject(output, e.getValue());
50 public ImmutableMap<?, ?> read(Kryo kryo, Input input,
51 Class<ImmutableMap<?, ?>> type) {
52 final int size = input.readInt();
55 return ImmutableMap.of();
57 return ImmutableMap.of(kryo.readClassAndObject(input),
58 kryo.readClassAndObject(input));
61 Builder<Object, Object> builder = ImmutableMap.builder();
62 for (int i = 0; i < size; ++i) {
63 builder.put(kryo.readClassAndObject(input),
64 kryo.readClassAndObject(input));
66 return builder.build();