Thomas Vachuska | 4f1a60c | 2014-10-28 13:39:07 -0700 | [diff] [blame] | 1 | /* |
Brian O'Connor | 5ab426f | 2016-04-09 01:19:45 -0700 | [diff] [blame] | 2 | * Copyright 2014-present Open Networking Laboratory |
Thomas Vachuska | 4f1a60c | 2014-10-28 13:39:07 -0700 | [diff] [blame] | 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 | */ |
Brian O'Connor | abafb50 | 2014-12-02 22:26:20 -0800 | [diff] [blame] | 16 | package org.onosproject.store.serializers; |
Yuta HIGUCHI | 533ec32 | 2014-09-30 13:29:52 -0700 | [diff] [blame] | 17 | |
Yuta HIGUCHI | d08e2e9 | 2016-07-10 00:15:10 -0700 | [diff] [blame] | 18 | import java.util.Map.Entry; |
Yuta HIGUCHI | 533ec32 | 2014-09-30 13:29:52 -0700 | [diff] [blame] | 19 | |
Yuta HIGUCHI | 533ec32 | 2014-09-30 13:29:52 -0700 | [diff] [blame] | 20 | import com.esotericsoftware.kryo.Kryo; |
Yuta HIGUCHI | 91768e3 | 2014-11-22 05:06:35 -0800 | [diff] [blame] | 21 | import com.esotericsoftware.kryo.Serializer; |
Yuta HIGUCHI | 533ec32 | 2014-09-30 13:29:52 -0700 | [diff] [blame] | 22 | import com.esotericsoftware.kryo.io.Input; |
| 23 | import com.esotericsoftware.kryo.io.Output; |
Yuta HIGUCHI | 533ec32 | 2014-09-30 13:29:52 -0700 | [diff] [blame] | 24 | import com.google.common.collect.ImmutableMap; |
Yuta HIGUCHI | d08e2e9 | 2016-07-10 00:15:10 -0700 | [diff] [blame] | 25 | import com.google.common.collect.ImmutableMap.Builder; |
Yuta HIGUCHI | 533ec32 | 2014-09-30 13:29:52 -0700 | [diff] [blame] | 26 | |
| 27 | /** |
| 28 | * Kryo Serializer for {@link ImmutableMap}. |
| 29 | */ |
Yuta HIGUCHI | 91768e3 | 2014-11-22 05:06:35 -0800 | [diff] [blame] | 30 | public class ImmutableMapSerializer extends Serializer<ImmutableMap<?, ?>> { |
Yuta HIGUCHI | 533ec32 | 2014-09-30 13:29:52 -0700 | [diff] [blame] | 31 | |
Yuta HIGUCHI | 03fec1f | 2014-10-03 09:13:50 -0700 | [diff] [blame] | 32 | /** |
| 33 | * Creates {@link ImmutableMap} serializer instance. |
| 34 | */ |
Yuta HIGUCHI | 533ec32 | 2014-09-30 13:29:52 -0700 | [diff] [blame] | 35 | public ImmutableMapSerializer() { |
| 36 | // non-null, immutable |
| 37 | super(false, true); |
| 38 | } |
| 39 | |
| 40 | @Override |
| 41 | public void write(Kryo kryo, Output output, ImmutableMap<?, ?> object) { |
Yuta HIGUCHI | d08e2e9 | 2016-07-10 00:15:10 -0700 | [diff] [blame] | 42 | output.writeInt(object.size()); |
| 43 | for (Entry<?, ?> e : object.entrySet()) { |
| 44 | kryo.writeClassAndObject(output, e.getKey()); |
| 45 | kryo.writeClassAndObject(output, e.getValue()); |
| 46 | } |
Yuta HIGUCHI | 533ec32 | 2014-09-30 13:29:52 -0700 | [diff] [blame] | 47 | } |
| 48 | |
| 49 | @Override |
| 50 | public ImmutableMap<?, ?> read(Kryo kryo, Input input, |
| 51 | Class<ImmutableMap<?, ?>> type) { |
Yuta HIGUCHI | d08e2e9 | 2016-07-10 00:15:10 -0700 | [diff] [blame] | 52 | final int size = input.readInt(); |
| 53 | switch (size) { |
| 54 | case 0: |
| 55 | return ImmutableMap.of(); |
| 56 | case 1: |
| 57 | return ImmutableMap.of(kryo.readClassAndObject(input), |
| 58 | kryo.readClassAndObject(input)); |
| 59 | |
| 60 | default: |
| 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)); |
| 65 | } |
| 66 | return builder.build(); |
| 67 | } |
Yuta HIGUCHI | 533ec32 | 2014-09-30 13:29:52 -0700 | [diff] [blame] | 68 | } |
Yuta HIGUCHI | 533ec32 | 2014-09-30 13:29:52 -0700 | [diff] [blame] | 69 | } |