| // Copyright (C) 2021 The Android Open Source Project |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| package com.googlesource.gerrit.modules.cache.chroniclemap; |
| |
| import net.openhft.chronicle.bytes.Bytes; |
| import net.openhft.chronicle.core.util.ReadResolvable; |
| import net.openhft.chronicle.hash.serialization.BytesReader; |
| import net.openhft.chronicle.hash.serialization.BytesWriter; |
| |
| public class KeyWrapperMarshaller<V> |
| implements BytesWriter<KeyWrapper<V>>, |
| BytesReader<KeyWrapper<V>>, |
| ReadResolvable<KeyWrapperMarshaller<V>> { |
| |
| private final String name; |
| |
| KeyWrapperMarshaller(String name) { |
| this.name = name; |
| } |
| |
| @Override |
| public KeyWrapperMarshaller<V> readResolve() { |
| return new KeyWrapperMarshaller<>(name); |
| } |
| |
| @SuppressWarnings({"unchecked", "rawtypes"}) |
| @Override |
| public KeyWrapper<V> read(Bytes in, KeyWrapper<V> using) { |
| int serializedLength = (int) in.readUnsignedInt(); |
| byte[] serialized = new byte[serializedLength]; |
| in.read(serialized, 0, serializedLength); |
| V v = (V) CacheSerializers.getKeySerializer(name).deserialize(serialized); |
| using = new KeyWrapper<>(v); |
| |
| return using; |
| } |
| |
| @SuppressWarnings("rawtypes") |
| @Override |
| public void write(Bytes out, KeyWrapper<V> toWrite) { |
| final byte[] serialized = CacheSerializers.getKeySerializer(name).serialize(toWrite.getValue()); |
| out.writeUnsignedInt(serialized.length); |
| out.write(serialized); |
| } |
| } |