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ObServe ToPIA Migration service module

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package org.nuiton.topia.service.migration.resources;

/*-
 * #%L
 * ObServe Toolkit :: ToPIA Migration service
 * %%
 * Copyright (C) 2017 - 2018 IRD, 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 org.nuiton.version.Version;

import java.io.IOException;
import java.util.Objects;

/**
 * This is the class to override for each migration version.
 * 
 * Just implements the {@link #generateSqlScript(MigrationVersionResourceExecutor)} method and make available this class
 * to {@link java.util.ServiceLoader} mechanism.
 * 
 * Created by tchemit on 05/05/2018.
 *
 * @author Tony Chemit - [email protected]
 */
public abstract class MigrationVersionResource {

    private final Version version;

    public MigrationVersionResource(Version version) {
        this.version = Objects.requireNonNull(version);
    }

    public abstract void generateSqlScript(MigrationVersionResourceExecutor executor) throws IOException;

    public Version getVersion() {
        return version;
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) return true;
        if (o == null || getClass() != o.getClass()) return false;
        MigrationVersionResource that = (MigrationVersionResource) o;
        return Objects.equals(version, that.version);
    }

    @Override
    public int hashCode() {
        return Objects.hash(version);
    }

}