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/*
 * This file is part of rasdaman community.
 *
 * Rasdaman community 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.
 *
 * Rasdaman community 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 rasdaman community.  If not, see <http://www.gnu.org/licenses/>.
 *
 * Copyright 2003, 2004, 2005, 2006, 2007, 2008, 2009 Peter Baumann /
 rasdaman GmbH.
 *
 * For more information please see <http://www.rasdaman.org>
 * or contact Peter Baumann via <baumann@rasdaman.com>.
 */
package petascope.wcps.server.core;

import petascope.wcps.server.exceptions.InvalidMetadataException;
import java.math.BigInteger;

//A coverage axis in pixel coordinates. See the WCPS standard.
public class CellDomainElement implements Cloneable {

    private BigInteger hi;
    private BigInteger lo;

    public CellDomainElement(BigInteger lo, BigInteger hi) throws InvalidMetadataException {
        if ((lo == null) || (hi == null)) {
            throw new InvalidMetadataException(
                    "Invalid cell domain element: Bounds may not be null");
        }

        if (lo.compareTo(hi) == 1) {
            throw new InvalidMetadataException(
                    "Invalid cell domain element: Lower bound cannot be larger than upper bound");
        }

        this.lo = lo;
        this.hi = hi;

    }

    public CellDomainElement clone() {
        try {
            return new CellDomainElement(BigInteger.ZERO.add(lo),
                    BigInteger.ZERO.add(hi));
        } catch (InvalidMetadataException ime) {
            throw new RuntimeException(
                    "Invalid metadata while cloning CellDomainElement. This is a software bug in WCPS.",
                    ime);
        }

    }

    public boolean equals(CellDomainElement cde) {
        return lo.equals(cde.lo) && hi.equals(cde.hi);

    }

    public BigInteger getHi() {
        return hi;

    }

    public BigInteger getLo() {
        return lo;
    }

    public String toString() {
        String result = "CellDomainElement [" + lo + ", " + hi + "]";
        return result;
    }
}