001/*
002 * Copyright (c) 2022-2024 See AUTHORS file.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *   http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 *
016 */
017
018package com.github.tommyettinger.kryo.jdkgdxds;
019
020import com.esotericsoftware.kryo.Kryo;
021import com.esotericsoftware.kryo.Serializer;
022import com.esotericsoftware.kryo.io.Input;
023import com.esotericsoftware.kryo.io.Output;
024import com.github.tommyettinger.ds.EnumIntMap;
025
026/**
027 * Kryo {@link Serializer} for jdkgdxds {@link EnumIntMap}s.
028 * Requires the type of any enum keys that are contained in an EnumIntMap to also be registered.
029 */
030public class EnumIntMapSerializer extends Serializer<EnumIntMap> {
031
032    public EnumIntMapSerializer() {
033    }
034
035    @Override
036    public void write(final Kryo kryo, final Output output, final EnumIntMap data) {
037        int length = data.size();
038        output.writeInt(length, true);
039        output.writeInt(data.getDefaultValue());
040        for(EnumIntMap.Entry ent : data) {
041            kryo.writeClassAndObject(output, ent.getKey());
042            output.writeVarInt(ent.getValue(), false);
043        }
044    }
045
046    @Override
047    public EnumIntMap read(final Kryo kryo, final Input input, final Class<? extends EnumIntMap> dataClass) {
048        int length = input.readInt(true);
049        EnumIntMap data = new EnumIntMap();
050        data.setDefaultValue(input.readInt());
051        for (int i = 0; i < length; i++)
052            data.put((Enum<?>)kryo.readClassAndObject(input), input.readVarInt(false));
053        return data;
054    }
055
056    @Override
057    public EnumIntMap copy(Kryo kryo, EnumIntMap original) {
058        EnumIntMap map = new EnumIntMap(original);
059        kryo.reference(map);
060        map.clear();
061        for(EnumIntMap.Entry ent : original) {
062            map.put(ent.getKey(), ent.getValue());
063        }
064        return map;
065    }
066}