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package org.nuiton.topia.service.sql.model;

/*-
 * #%L
 * ToPIA Extension :: API
 * %%
 * Copyright (C) 2018 - 2022 Ultreia.io
 * %%
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public
 * License along with this program.  If not, see
 * .
 * #L%
 */

import java.util.ArrayList;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import java.util.Objects;
import java.util.stream.Stream;

/**
 * Created on 25/09/2020.
 *
 * @author Tony Chemit - [email protected]
 * @since 1.28
 */
public class TopiaEntitySqlDescriptors implements Iterable {

    private final List descriptors;

    public TopiaEntitySqlDescriptors(TopiaEntitySqlDescriptor descriptor) {
        this(List.of(Objects.requireNonNull(descriptor)));
    }

    public TopiaEntitySqlDescriptors(List descriptors) {
        this.descriptors = Objects.requireNonNull(descriptors);
    }

    public Stream stream() {
        return descriptors.stream();
    }

    @Override
    public Iterator iterator() {
        return descriptors.iterator();
    }

    public int size() {
        return descriptors.size();
    }

    public TopiaEntitySqlDescriptors reverse() {
        List descriptors = new ArrayList<>(this.descriptors);
        Collections.reverse(descriptors);
        return new TopiaEntitySqlDescriptors(descriptors);
    }

    public List getSchemaAndTableNames() {
        List builder = new ArrayList<>(this.descriptors.size());
        descriptors.forEach(d -> builder.addAll(d.getSchemaAndTableNames()));
        return builder;
    }
}