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.IntDeque;
025import com.github.tommyettinger.ds.IntObjectMap;
026import com.github.tommyettinger.ds.IntObjectOrderedMap;
027import com.github.tommyettinger.ds.OrderType;
028
029import java.util.Iterator;
030
031/**
032 * Kryo {@link Serializer} for jdkgdxds {@link IntObjectOrderedMap}s.
033 */
034public class IntObjectOrderedMapSerializer extends Serializer<IntObjectOrderedMap<?>> {
035
036    private static final OrderType[] ORDER_TYPES = OrderType.values();
037
038    public IntObjectOrderedMapSerializer() {
039        setAcceptsNull(true);
040    }
041
042    @Override
043    public void write(final Kryo kryo, final Output output, final IntObjectOrderedMap<?> data) {
044        int length = data.size();
045        output.writeInt(length, true);
046        output.writeVarInt(data.getOrderType().ordinal(), true);
047        kryo.writeClassAndObject(output, data.getDefaultValue());
048        for(Iterator<? extends IntObjectMap.Entry<?>> it = new IntObjectOrderedMap.OrderedMapEntries<>(data).iterator(); it.hasNext();) {
049            IntObjectOrderedMap.Entry<?> ent = it.next();
050            output.writeVarInt(ent.key, false);
051            kryo.writeClassAndObject(output, ent.value);
052        }
053    }
054
055    @SuppressWarnings({"rawtypes", "unchecked", "UnnecessaryLocalVariable"})
056    @Override
057    public IntObjectOrderedMap<?> read(final Kryo kryo, final Input input, final Class<? extends IntObjectOrderedMap<?>> dataClass) {
058        int length = input.readInt(true);
059        IntObjectOrderedMap<?> data = new IntObjectOrderedMap<>(length, ORDER_TYPES[input.readVarInt(true)]);
060        IntObjectOrderedMap rawData = data;
061        rawData.setDefaultValue(kryo.readClassAndObject(input));
062        for (int i = 0; i < length; i++)
063            rawData.put(input.readVarInt(false), kryo.readClassAndObject(input));
064        return data;
065    }
066
067    @SuppressWarnings({"rawtypes", "unchecked", "UnnecessaryLocalVariable"})
068    @Override
069    public IntObjectOrderedMap<?> copy(Kryo kryo, IntObjectOrderedMap<?> original) {
070        IntObjectOrderedMap<?> map = new IntObjectOrderedMap<>(original.size(), original.getLoadFactor());
071        kryo.reference(map);
072        IntObjectOrderedMap rawMap = map;
073        for(IntObjectOrderedMap.Entry ent : original) {
074            rawMap.put(ent.key, kryo.copy(ent.value));
075        }
076        return map;
077    }
078}