/** * Returns the volume-value (as a double primitive) for an item within a * series. * * @param series the series (zero-based index). * @param item the item (zero-based index). * * @return The volume-value. */ public double getVolumeValue(int series, int item) { double result = Double.NaN; Number volume = getVolume(series, item); if (volume != null) { result = volume.doubleValue(); } return result; }
/** * Returns the volume-value (as a double primitive) for an item within a * series. * * @param series the series (zero-based index). * @param item the item (zero-based index). * * @return The volume-value. */ @Override public double getVolumeValue(int series, int item) { double result = Double.NaN; Number volume = getVolume(series, item); if (volume != null) { result = volume.doubleValue(); } return result; }