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.ImmutableSet;
25 * Kryo Serializer for {@link ImmutableSet}.
27 public class ImmutableSetSerializer extends Serializer<ImmutableSet<?>> {
30 * Creates {@link ImmutableSet} serializer instance.
32 public ImmutableSetSerializer() {
33 // non-null, immutable
38 public void write(Kryo kryo, Output output, ImmutableSet<?> object) {
39 output.writeInt(object.size());
40 for (Object e : object) {
41 kryo.writeClassAndObject(output, e);
46 public ImmutableSet<?> read(Kryo kryo, Input input,
47 Class<ImmutableSet<?>> type) {
48 final int size = input.readInt();
51 return ImmutableSet.of();
53 return ImmutableSet.of(kryo.readClassAndObject(input));
55 Object[] elms = new Object[size];
56 for (int i = 0; i < size; ++i) {
57 elms[i] = kryo.readClassAndObject(input);
59 return ImmutableSet.copyOf(elms);