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.EnumIntOrderedMap;
025import com.github.tommyettinger.ds.OrderType;
026
027/**
028 * Kryo {@link Serializer} for jdkgdxds {@link EnumIntOrderedMap}s.
029 * Requires the type of any enum keys that are contained in an EnumIntOrderedMap to also be registered.
030 */
031public class EnumIntOrderedMapSerializer extends Serializer<EnumIntOrderedMap> {
032
033    private static final OrderType[] ORDER_TYPES = OrderType.values();
034
035    public EnumIntOrderedMapSerializer() {
036    }
037
038    @Override
039    public void write(final Kryo kryo, final Output output, final EnumIntOrderedMap data) {
040        int length = data.size();
041        output.writeInt(length, true);
042        output.writeVarInt(data.getOrderType().ordinal(), true);
043        output.writeInt(data.getDefaultValue());
044        for(EnumIntOrderedMap.Entry ent : data) {
045            kryo.writeClassAndObject(output, ent.getKey());
046            output.writeVarInt(ent.getValue(), false);
047        }
048    }
049
050    @Override
051    public EnumIntOrderedMap read(final Kryo kryo, final Input input, final Class<? extends EnumIntOrderedMap> dataClass) {
052        int length = input.readInt(true);
053        EnumIntOrderedMap data = new EnumIntOrderedMap(ORDER_TYPES[input.readVarInt(true)]);
054        data.setDefaultValue(input.readInt());
055        for (int i = 0; i < length; i++)
056            data.put((Enum<?>)kryo.readClassAndObject(input), input.readVarInt(false));
057        return data;
058    }
059
060    @Override
061    public EnumIntOrderedMap copy(Kryo kryo, EnumIntOrderedMap original) {
062        EnumIntOrderedMap map = new EnumIntOrderedMap(original);
063        kryo.reference(map);
064        map.clear();
065        for(EnumIntOrderedMap.Entry ent : original) {
066            map.put(ent.getKey(), ent.getValue());
067        }
068        return map;
069    }
070}