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.io.Input;
022import com.esotericsoftware.kryo.io.Output;
023import com.esotericsoftware.kryo.serializers.CollectionSerializer;
024import com.github.tommyettinger.ds.HolderOrderedSet;
025import com.github.tommyettinger.ds.OrderType;
026import com.github.tommyettinger.function.ObjToObjFunction;
027
028import java.util.NoSuchElementException;
029
030public class HolderOrderedSetSerializer extends CollectionSerializer<HolderOrderedSet<?, ?>> {
031
032    private static final OrderType[] ORDER_TYPES = OrderType.values();
033
034    public HolderOrderedSetSerializer() {
035        super();
036        setElementsCanBeNull(false);
037    }
038
039    @Override
040    protected void writeHeader(Kryo kryo, Output output, HolderOrderedSet<?, ?> data) {
041        ObjToObjFunction<?, ?> ext = data.getExtractor();
042        if(ext == null)
043            throw new NoSuchElementException("A HolderSet must have a non-null extractor to be serialized.");
044        if(kryo.getClassResolver().getRegistration(ext.getClass()) == null)
045            kryo.register(ext.getClass());
046        kryo.writeClassAndObject(output, ext);
047        output.writeVarInt(data.getOrderType().ordinal(), true);
048    }
049
050    @SuppressWarnings({"unchecked", "rawtypes"})
051    @Override
052    protected HolderOrderedSet<?, ?> create(Kryo kryo, Input input, Class<? extends HolderOrderedSet<?, ?>> type, int size) {
053        return new HolderOrderedSet((ObjToObjFunction)kryo.readClassAndObject(input), size, ORDER_TYPES[input.readVarInt(true)]);
054    }
055
056    @SuppressWarnings("DataFlowIssue")
057    @Override
058    protected HolderOrderedSet<?, ?> createCopy(Kryo kryo, HolderOrderedSet<?, ?> original) {
059        return new HolderOrderedSet<>(original.getExtractor(), original.size(), original.getLoadFactor(), original.getOrderType());
060    }
061}