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.IntObjectMap;
025
026/**
027 * Kryo {@link Serializer} for jdkgdxds {@link IntObjectMap}s.
028 */
029public class IntObjectMapSerializer extends Serializer<IntObjectMap<?>> {
030
031    public IntObjectMapSerializer() {
032        setAcceptsNull(true);
033    }
034
035    @Override
036    public void write(final Kryo kryo, final Output output, final IntObjectMap<?> data) {
037        int length = data.size();
038        output.writeInt(length, true);
039        kryo.writeClassAndObject(output, data.getDefaultValue());
040        for(IntObjectMap.EntryIterator<?> it = new IntObjectMap.EntryIterator<>(data); it.hasNext();) {
041            IntObjectMap.Entry<?> ent = it.next();
042            output.writeVarInt(ent.key, false);
043            kryo.writeClassAndObject(output, ent.value);
044        }
045    }
046
047    @SuppressWarnings({"rawtypes", "unchecked", "UnnecessaryLocalVariable"})
048    @Override
049    public IntObjectMap<?> read(final Kryo kryo, final Input input, final Class<? extends IntObjectMap<?>> dataClass) {
050        int length = input.readInt(true);
051        IntObjectMap<?> data = new IntObjectMap<>(length);
052        IntObjectMap rawData = data;
053        rawData.setDefaultValue(kryo.readClassAndObject(input));
054        for (int i = 0; i < length; i++)
055            rawData.put(input.readVarInt(false), kryo.readClassAndObject(input));
056        return data;
057    }
058
059    @SuppressWarnings({"rawtypes", "unchecked", "UnnecessaryLocalVariable"})
060    @Override
061    public IntObjectMap<?> copy(Kryo kryo, IntObjectMap<?> original) {
062        IntObjectMap<?> map = new IntObjectMap<>(original.size(), original.getLoadFactor());
063        kryo.reference(map);
064        IntObjectMap rawMap = map;
065        for(IntObjectMap.Entry ent : original) {
066            rawMap.put(ent.key, kryo.copy(ent.value));
067        }
068        return map;
069    }
070}