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// Portions Copyright [2019] Payara Foundation and/or affiliates

package com.sun.enterprise.admin.monitor.stats;

/**
 * A basic implementation of the StringStatistic Interface. All the instances
 * of this class are immutable.
 * @author Muralidhar Vempaty
 * @author Kedar Mhaswade
 * @since S1AS8.0
 * @version 1.0
 */
public final class StringStatisticImpl extends StatisticImpl implements StringStatistic {
    
    private final String strVal;
    
    /** 
     * Constructor
     * @param str    The current value 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 StringStatisticImpl(String str, String name, String unit, 
                               String desc, long startTime, long sampleTime) {
        
        super(name, unit, desc, startTime, sampleTime);
        strVal = str;
    }
    
    /**
     * Returns the String value of the statistic.
     */
    @Override
    public String getCurrent() {
        return strVal;
    }
    
    @Override
    public String toString() {
        return super.toString() + NEWLINE + 
            "Current: " + getCurrent();
    }

}