/*
 * Copyright (c) 1997, 2018 Oracle and/or its affiliates. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0, which is available at
 * http://www.eclipse.org/legal/epl-2.0.
 *
 * This Source Code may also be made available under the following Secondary
 * Licenses when the conditions for such availability set forth in the
 * Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
 * version 2 with the GNU Classpath Exception, which is available at
 * https://www.gnu.org/software/classpath/license.html.
 *
 * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
 */

package com.sun.enterprise.admin.monitor.stats;
import org.glassfish.j2ee.statistics.BoundaryStatistic;

/** An implementation of a BoundaryStatistic. All instances of this class are
 * immutable. Provides all the necessary accessors for properties.
 * @author Muralidhar Vempaty
 * @author Kedar Mhaswade
 * @since S1AS8.0
 * @verison 1.0
 */

public final class BoundaryStatisticImpl extends StatisticImpl implements BoundaryStatistic {

    private final long lowerBound;
    private final long upperBound;

    /** Constructs the instance of BoundaryStatistic that is immutable.
     * @param upper     The upper limit of this statistic
     * @param lower     The lower limit of this statistic
     * @param name      The name of the statistic
     * @param unit      The unit of measurement for this statistic
     * @param desc      A brief description of the statistic
     * @param startTime Time in milliseconds at which the measurement was started
     * @param sampleTime Time at which the last measurement was done.
     */
    public BoundaryStatisticImpl(long lower, long upper, String name,
                                 String unit, String desc, long startTime,
                                 long sampleTime) {

        super(name, unit, desc, startTime, sampleTime);
        upperBound = upper;
        lowerBound = lower;
    }

    /**
     * Returns the lowest possible value, that this statistic is permitted to attain
     * @return        long the lowest permissible value
     */
    public long getLowerBound() {
        return lowerBound;
    }

    /**
     * Return the highest possible value, that this statistic is permitted to attain
     * @return        long the highest permissible value
     */
    public long getUpperBound() {
        return upperBound;
    }
}