/**
 * This file is part of the Meeds project (https://meeds.io/).
 *
 * Copyright (C) 2020 - 2025 Meeds Association contact@meeds.io
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 3 of the License, or (at your option) any later version.
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 */
package org.exoplatform.commons.utils;

import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.Serializable;


public abstract class PageListAccess<E, S> extends AbstractSerializablePageList<E> implements Serializable {

    /** The state that recreates the list. */
    private S state;

    protected PageListAccess(S state, int pageSize) {
        super(pageSize);

        //
        if (state == null) {
            throw new NullPointerException();
        }
        if (pageSize < 0) {
            throw new IllegalArgumentException();
        }

        //
        this.state = state;
    }

    @Override
    protected final ListAccess<E> connect() throws Exception {
        return create(state);
    }

    protected abstract ListAccess<E> create(S state) throws Exception;

    // Serialization

    private void writeObject(ObjectOutputStream out) throws IOException {
        super.writeState(out);
        out.writeObject(state);
    }

    private void readObject(ObjectInputStream in) throws IOException, ClassNotFoundException {
        super.readState(in);
        state = (S) in.readObject();
    }
}
