/**
 * RenameWand 2.2
 * Copyright 2007 Zach Scrivena
 * 2007-12-09
 * zachscrivena@gmail.com
 * http://renamewand.sourceforge.net/
 *
 * RenameWand is a simple command-line utility for renaming files or
 * directories using an intuitive but powerful syntax.
 *
 * TERMS AND CONDITIONS:
 * 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/>.
 */

package renamewand;


/**
 * Represent a double value used in enumeration of files/directories.
 */
class DoubleEnumerationUnit
        implements Comparable<DoubleEnumerationUnit>
{
    /** index of the corresponding file/directory */
    int index;

    /** double value to be used in sorting */
    double value;


    /**
    * Constructor.
    *
    * @param index
    *     Index of the corresponding file/directory
    * @param val
    *     Double value to be used in sorting.
    */
    DoubleEnumerationUnit(
            int index,
            double value)
    {
        this.index = index;
        this.value = value;
    }


    /** compare this object to the specified object */
    @Override
    public int compareTo(
            DoubleEnumerationUnit o)
    {
        if (this.value > o.value)
        {
            return 1;
        }
        else if (this.value < o.value)
        {
            return -1;
        }
        else
        {
            return 0;
        }
    }


    /** indicate if this object is equal to the specified object */
    @Override
    public boolean equals(
            Object o)
    {
        if (o instanceof DoubleEnumerationUnit)
            return (this.value == ((DoubleEnumerationUnit) o).value);

        return false;
    }


    /** return a hash code value for this object */
    @Override
    public int hashCode()
    {
        return (int) this.value;
    }
}