hazelcast-master/hazelcast/src/main/java/com/hazelcast/internal/serialization/impl/defaultserializers/CopyOnWriteArrayListStreamSerializer.java
/*
 * Copyright (c) 2008-2023, Hazelcast, Inc. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.hazelcast.internal.serialization.impl.defaultserializers;

import com.hazelcast.internal.serialization.impl.SerializationConstants;
import com.hazelcast.nio.ObjectDataInput;
import com.hazelcast.nio.ObjectDataOutput;

import java.io.IOException;
import java.io.UncheckedIOException;
import java.util.ArrayList;
import java.util.Spliterator;
import java.util.concurrent.CopyOnWriteArrayList;

/**
 * The {@link CopyOnWriteArrayList} serializer
 */
public class CopyOnWriteArrayListStreamSerializer<E> extends AbstractCollectionStreamSerializer<CopyOnWriteArrayList<E>> {

    @Override
    public int getTypeId() {
        return SerializationConstants.JAVA_DEFAULT_TYPE_COPY_ON_WRITE_ARRAY_LIST;
    }

    @Override
    public CopyOnWriteArrayList<E> read(ObjectDataInput in) throws IOException {
        int size = in.readInt();

        ArrayList<E> collection = new ArrayList<>(size);
        deserializeEntriesInto(in, size, collection);

        return new CopyOnWriteArrayList<>(collection);
    }

    @Override
    @SuppressWarnings("DuplicatedCode")
    public void write(ObjectDataOutput out, CopyOnWriteArrayList<E> collection) throws IOException {
        Spliterator<E> cowSplitIterator = collection.spliterator();
        int size = (int) cowSplitIterator.getExactSizeIfKnown();
        assert size != -1;
        out.writeInt(size);
        cowSplitIterator.forEachRemaining(object -> {
            try {
                out.writeObject(object);
            } catch (IOException e) {
                throw new UncheckedIOException(e);
            }
        });
    }
}
