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.IntIntMap;
025
026/**
027 * Kryo {@link Serializer} for jdkgdxds {@link IntIntMap}s.
028 */
029public class IntIntMapSerializer extends Serializer<IntIntMap> {
030
031    public IntIntMapSerializer() {
032        setAcceptsNull(false);
033    }
034
035    @Override
036    public void write(final Kryo kryo, final Output output, final IntIntMap data) {
037        int length = data.size();
038        output.writeInt(length, true);
039        output.writeVarInt(data.getDefaultValue(), false);
040        for(IntIntMap.EntryIterator it = new IntIntMap.EntryIterator(data); it.hasNext();) {
041            IntIntMap.Entry ent = it.next();
042            output.writeVarInt(ent.key, false);
043            output.writeVarInt(ent.value, false);
044        }
045    }
046
047    @Override
048    public IntIntMap read(final Kryo kryo, final Input input, final Class<? extends IntIntMap> dataClass) {
049        int length = input.readInt(true);
050        IntIntMap data = new IntIntMap(length);
051        data.setDefaultValue(input.readVarInt(false));
052        for (int i = 0; i < length; i++)
053            data.put(input.readVarInt(false), input.readVarInt(false));
054        return data;
055    }
056
057    @Override
058    public IntIntMap copy(Kryo kryo, IntIntMap original) {
059        return new IntIntMap(original);
060    }
061}