| // Copyright (C) 2020 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 com.google.gerrit.server.cache.serialize.CacheSerializer; |
| 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 ChronicleMapMarshallerAdapter<T> |
| implements BytesWriter<T>, BytesReader<T>, ReadResolvable<ChronicleMapMarshallerAdapter<T>> { |
| |
| private final CacheSerializer<T> cacheSerializer; |
| |
| ChronicleMapMarshallerAdapter(CacheSerializer<T> cacheSerializer) { |
| this.cacheSerializer = cacheSerializer; |
| } |
| |
| @Override |
| public ChronicleMapMarshallerAdapter<T> readResolve() { |
| return new ChronicleMapMarshallerAdapter<>(cacheSerializer); |
| } |
| |
| @Override |
| public T read(Bytes in, T using) { |
| int serializedLength = (int) in.readUnsignedInt(); |
| byte[] serialized = new byte[serializedLength]; |
| in.read(serialized, 0, serializedLength); |
| using = cacheSerializer.deserialize(serialized); |
| return using; |
| } |
| |
| @Override |
| public void write(Bytes out, T toWrite) { |
| final byte[] serialized = cacheSerializer.serialize(toWrite); |
| out.writeUnsignedInt(serialized.length); |
| out.write(serialized); |
| } |
| } |