How to use

YIntervalDataItem

in

org.jfree.data.xy

/**
 * Returns the x-value.
 *
 * @return The x-value (never {@code null}).
 */
public Double getX() {
  return (Double) getComparable();
}

/**
 * Adds a data item to the series and sends a {@link SeriesChangeEvent} to 
 * all registered listeners.
 *
 * @param x  the x-value.
 * @param y  the y-value.
 * @param yLow  the lower bound of the y-interval.
 * @param yHigh  the upper bound of the y-interval.
 */
public void add(double x, double y, double yLow, double yHigh) {
  add(new YIntervalDataItem(x, y, yLow, yHigh), true);
}
 

/**
 * Returns the y-value.
 *
 * @return The y-value.
 */
public double getYValue() {
  YInterval interval = (YInterval) getObject();
  if (interval != null) {
    return interval.getY();
  }
  else {
    return Double.NaN;
  }
}

/**
 * Returns the y-value for the specified item.
 *
 * @param index  the item index.
 *
 * @return The y-value.
 */
public double getYValue(int index) {
  YIntervalDataItem item = (YIntervalDataItem) getDataItem(index);
  return item.getYValue();
}

/**
 * Returns the x-value for the specified item.
 *
 * @param index  the item index.
 *
 * @return The x-value (never <code>null</code>).
 */
public Number getX(int index) {
  YIntervalDataItem item = (YIntervalDataItem) getDataItem(index);
  return item.getX();
}

/**
 * Returns the lower bound of the Y-interval for the specified item in the
 * series.
 *
 * @param index  the item index.
 *
 * @return The lower bound of the Y-interval.
 *
 * @since 1.0.5
 */
public double getYLowValue(int index) {
  YIntervalDataItem item = (YIntervalDataItem) getDataItem(index);
  return item.getYLowValue();
}

/**
 * Returns the upper bound of the y-interval for the specified item in the
 * series.
 *
 * @param index  the item index.
 *
 * @return The upper bound of the y-interval.
 *
 * @since 1.0.5
 */
public double getYHighValue(int index) {
  YIntervalDataItem item = (YIntervalDataItem) getDataItem(index);
  return item.getYHighValue();
}

/**
 * Adds a data item to the series.
 *
 * @param x  the x-value.
 * @param y  the y-value.
 * @param yLow  the lower bound of the y-interval.
 * @param yHigh  the upper bound of the y-interval.
 */
public void add(double x, double y, double yLow, double yHigh) {
  super.add(new YIntervalDataItem(x, y, yLow, yHigh), true);
}

/**
 * Returns the upper bound of the y-interval.
 *
 * @return The upper bound of the y-interval.
 */
public double getYHighValue() {
  YInterval interval = (YInterval) getObject();
  if (interval != null) {
    return interval.getYHigh();
  }
  else {
    return Double.NaN;
  }
}

/**
 * Returns the y-value for the specified item.
 *
 * @param index  the item index.
 *
 * @return The y-value.
 */
public double getYValue(int index) {
  YIntervalDataItem item = (YIntervalDataItem) getDataItem(index);
  return item.getYValue();
}

/**
 * Returns the x-value for the specified item.
 *
 * @param index  the item index.
 *
 * @return The x-value (never {@code null}).
 */
public Number getX(int index) {
  YIntervalDataItem item = (YIntervalDataItem) getDataItem(index);
  return item.getX();
}

/**
 * Returns the lower bound of the Y-interval for the specified item in the
 * series.
 *
 * @param index  the item index.
 *
 * @return The lower bound of the Y-interval.
 *
 * @since 1.0.5
 */
public double getYLowValue(int index) {
  YIntervalDataItem item = (YIntervalDataItem) getDataItem(index);
  return item.getYLowValue();
}

/**
 * Returns the upper bound of the y-interval for the specified item in the
 * series.
 *
 * @param index  the item index.
 *
 * @return The upper bound of the y-interval.
 *
 * @since 1.0.5
 */
public double getYHighValue(int index) {
  YIntervalDataItem item = (YIntervalDataItem) getDataItem(index);
  return item.getYHighValue();
}

/**
 * Adds a data item to the series.
 *
 * @param x
 *            the x-value.
 * @param y
 *            the y-value.
 * @param yLow
 *            the lower bound of the y-interval.
 * @param yHigh
 *            the upper bound of the y-interval.
 * @param notify
 *            a flag that controls whether or not a
 *            {@link org.jfree.data.general.SeriesChangeEvent} is sent to all registered
 *            listeners.
 */
public void add(double x, double y, double yLow, double yHigh, boolean notify) {
  super.add(new YIntervalDataItem(x, y, yLow, yHigh), notify);
}

/**
 * Returns the y-value.
 *
 * @return The y-value.
 */
public double getYValue() {
  YInterval interval = (YInterval) getObject();
  if (interval != null) {
    return interval.getY();
  }
  else {
    return Double.NaN;
  }
}

/**
 * Returns the x-value.
 *
 * @return The x-value (never <code>null</code>).
 */
public Double getX() {
  return (Double) getComparable();
}

/**
 * Returns the lower bound of the y-interval.
 *
 * @return The lower bound of the y-interval.
 */
public double getYLowValue() {
  YInterval interval = (YInterval) getObject();
  if (interval != null) {
    return interval.getYLow();
  }
  else {
    return Double.NaN;
  }
}

/**
 * Returns the upper bound of the y-interval.
 *
 * @return The upper bound of the y-interval.
 */
public double getYHighValue() {
  YInterval interval = (YInterval) getObject();
  if (interval != null) {
    return interval.getYHigh();
  }
  else {
    return Double.NaN;
  }
}

/**
 * Returns the lower bound of the y-interval.
 *
 * @return The lower bound of the y-interval.
 */
public double getYLowValue() {
  YInterval interval = (YInterval) getObject();
  if (interval != null) {
    return interval.getYLow();
  }
  else {
    return Double.NaN;
  }
}