SiLeBAT/FSK-Lab

/*******************************************************************************
 * Copyright (c) 2015 Federal Institute for Risk Assessment (BfR), Germany
 *
 * 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 <http://www.gnu.org/licenses/>.
 *
 * Contributors:
 *     Department Biological Safety - BfR
 *******************************************************************************/
package de.bund.bfr.knime.util;

import java.util.Objects;

/**
 * A identifier which is either defined by a name or defined by a database ID
 * 
 * @author Heiko Hofer
 */
public class NameAndDbId {
    private final String name;
    private final int id;

    /**
     * Creates a new instance.
     * 
     * @param name the name
     */
    public NameAndDbId(final String name) {
        this(name, -1);
    }

    /**
     * Creates a new instance.
     * 
     * @param name the name
     * @param id   the id of the field in the database use -1 if field does not have
     *             an id. matrices.
     */
    public NameAndDbId(final String name, final int id) {
        this.name = name;
        this.id = id < 0 ? -1 : id;
    }

    public String getName() {
        return name;
    }

    public int getId() {
        return id;
    }

    @Override
    public int hashCode() {
        return Objects.hash(id, name);
    }

    @Override
    public boolean equals(final Object obj) {
        if (this == obj)
            return true;
        if (obj == null)
            return false;
        if (!(obj instanceof NameAndDbId))
            return false;

        NameAndDbId other = (NameAndDbId) obj;
        return id == other.id && Objects.equals(name, other.name);
    }
}