/*
 *
 * Copyright (c) 2013 - 2017 Lijun Liao
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License version 3
 * as published by the Free Software Foundation with the addition of the
 * following permission added to Section 15 as permitted in Section 7(a):
 *
 * FOR ANY PART OF THE COVERED WORK IN WHICH THE COPYRIGHT IS OWNED BY
 * THE AUTHOR LIJUN LIAO. LIJUN LIAO DISCLAIMS THE WARRANTY OF NON INFRINGEMENT
 * OF THIRD PARTY RIGHTS.
 *
 * 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 *
 * The interactive user interfaces in modified source and object code versions
 * of this program must display Appropriate Legal Notices, as required under
 * Section 5 of the GNU Affero General Public License.
 *
 * You can be released from the requirements of the license by purchasing
 * a commercial license. Buying such a license is mandatory as soon as you
 * develop commercial activities involving the XiPKI software without
 * disclosing the source code of your own applications.
 *
 * For more information, please contact Lijun Liao at this
 * address: lijun.liao@gmail.com
 */

package org.xipki.commons.common.util;

import java.math.BigInteger;

/**
 * @author Lijun Liao
 * @since 2.1.0
 */

public class BigIntegerRange {
    private final BigInteger from;
    private final BigInteger to;
    private final BigInteger diff;

    public BigIntegerRange(BigInteger from, BigInteger to) {
        if (from.compareTo(to) > 0) {
            throw new IllegalArgumentException(
                    "from (" + from + ") must not be larger than to (" + to + ")");
        }
        this.from = from;
        this.to = to;
        this.diff = to.subtract(from);
    }

    public BigInteger getFrom() {
        return from;
    }

    public BigInteger getTo() {
        return to;
    }

    public BigInteger getDiff() {
        return diff;
    }

    public boolean isInRange(final BigInteger num) {
        return num.compareTo(from) >= 0 && num.compareTo(to) <= 0;
    }

}