MinMaxTime

/**This class helps to measurement the cycle- and calculation times of any cyclically routine.
 * @author Hartmut Schorrig
 * @since 2010-07-14
 */
public class MinMaxTime
{
    int init = 0;
    double minCyclTime;
    double midCyclTime;
    double maxCyclTime;
    double minCalcTime;
    double midCalcTime;
    double maxCalcTime;
    long _lastTime;
    double _startTime;
    /**Factor to calc to millisec.  */
    double ms;

    /**Call it at start of the cyclically operation. */
    public void cyclTime()
    {
        long t = System.nanoTime();
        if(init == 0)
            init = 1;  //only save time.
        else
        {
            double cyclTime = ms * (double)(t - _lastTime);
            if(init == 1)
            {
                init = 2;
                minCyclTime = midCyclTime = maxCyclTime = cyclTime;
            }
            if(cyclTime > maxCyclTime)
            {
                maxCyclTime = cyclTime;
            }
            if(cyclTime < minCyclTime)
            {
                minCyclTime = cyclTime;
            }
            midCyclTime += (cyclTime - midCyclTime) * 0.01;
        }
        _lastTime = t;

    }

    /**Call it at end of the cyclically operation. */
    public void calcTime()
    {
        long time = System.nanoTime();
        double calcTime = ms * (double)(time - _lastTime);
        if(init!=2)
            minCalcTime = midCalcTime = maxCyclTime = calcTime;
        if(calcTime > maxCalcTime)
        {
            maxCalcTime = calcTime;
        }
        if(calcTime < minCalcTime)
        {
            minCalcTime = calcTime;
        }
        midCalcTime += (calcTime - midCalcTime) * 0.01;
        _lastTime = time;

    }

    public void adjust()
    {
        _lastTime = System.nanoTime();
        try
        {
            Thread.sleep(100);
        }
        catch(InterruptedException exc)
        {

        }
        long t100ms = System.nanoTime() - _lastTime;
        ms = 100.0 / t100ms;
    }

    public void init()
    {
        init = 0 ;
    }
}