DefaultTableXYDataset
org.jfree.data.xy

Class DefaultTableXYDataset

    • Constructor Detail

      • DefaultTableXYDataset

        public DefaultTableXYDataset()
        Creates a new empty dataset.
      • DefaultTableXYDataset

        public DefaultTableXYDataset(boolean autoPrune)
        Creates a new empty dataset.
        Parameters:
        autoPrune - a flag that controls whether or not x-values are removed whenever the corresponding y-values are all null.
    • Method Detail

      • isAutoPrune

        public boolean isAutoPrune()
        Returns the flag that controls whether or not x-values are removed from the dataset when the corresponding y-values are all null.
        Returns:
        A boolean.
      • addSeries

        public void addSeries(XYSeries series)
        Adds a series to the collection and sends a DatasetChangeEvent to all registered listeners. The series should be configured to NOT allow duplicate x-values.
        Parameters:
        series - the series (null not permitted).
      • updateXPoints

        public void updateXPoints()
        Updates the x-values for all the series in the dataset.
      • getItemCount

        public int getItemCount()
        Returns the number of x values in the dataset.
        Specified by:
        getItemCount in interface TableXYDataset
        Returns:
        The number of x values in the dataset.
      • getSeries

        public XYSeries getSeries(int series)
        Returns a series.
        Parameters:
        series - the series (zero-based index).
        Returns:
        The series (never null).
      • getItemCount

        public int getItemCount(int series)
        Returns the number of items in the specified series.
        Specified by:
        getItemCount in interface XYDataset
        Parameters:
        series - the series (zero-based index).
        Returns:
        The number of items in the specified series.
      • getX

        public Number getX(int series,          int item)
        Returns the x-value for the specified series and item.
        Specified by:
        getX in interface XYDataset
        Parameters:
        series - the series (zero-based index).
        item - the item (zero-based index).
        Returns:
        The x-value for the specified series and item.
      • getStartX

        public Number getStartX(int series,               int item)
        Returns the starting X value for the specified series and item.
        Specified by:
        getStartX in interface IntervalXYDataset
        Parameters:
        series - the series (zero-based index).
        item - the item (zero-based index).
        Returns:
        The starting X value.
      • getEndX

        public Number getEndX(int series,             int item)
        Returns the ending X value for the specified series and item.
        Specified by:
        getEndX in interface IntervalXYDataset
        Parameters:
        series - the series (zero-based index).
        item - the item (zero-based index).
        Returns:
        The ending X value.
      • getY

        public Number getY(int series,          int index)
        Returns the y-value for the specified series and item.
        Specified by:
        getY in interface XYDataset
        Parameters:
        series - the series (zero-based index).
        index - the index of the item of interest (zero-based).
        Returns:
        The y-value for the specified series and item (possibly null).
      • getStartY

        public Number getStartY(int series,               int item)
        Returns the starting Y value for the specified series and item.
        Specified by:
        getStartY in interface IntervalXYDataset
        Parameters:
        series - the series (zero-based index).
        item - the item (zero-based index).
        Returns:
        The starting Y value.
      • getEndY

        public Number getEndY(int series,             int item)
        Returns the ending Y value for the specified series and item.
        Specified by:
        getEndY in interface IntervalXYDataset
        Parameters:
        series - the series (zero-based index).
        item - the item (zero-based index).
        Returns:
        The ending Y value.
      • removeAllSeries

        public void removeAllSeries()
        Removes all the series from the collection and sends a DatasetChangeEvent to all registered listeners.
      • removeSeries

        public void removeSeries(XYSeries series)
        Removes a series from the collection and sends a DatasetChangeEvent to all registered listeners.
        Parameters:
        series - the series (null not permitted).
      • removeSeries

        public void removeSeries(int series)
        Removes a series from the collection and sends a DatasetChangeEvent to all registered listeners.
        Parameters:
        series - the series (zero based index).
      • removeAllValuesForX

        public void removeAllValuesForX(Number x)
        Removes the items from all series for a given x value.
        Parameters:
        x - the x-value.
      • prune

        public void prune()
        Removes all x-values for which all the y-values are null.
      • equals

        public boolean equals(Object obj)
        Tests this collection for equality with an arbitrary object.
        Overrides:
        equals in class Object
        Parameters:
        obj - the object (null permitted).
        Returns:
        A boolean.
      • hashCode

        public int hashCode()
        Returns a hash code.
        Overrides:
        hashCode in class Object
        Returns:
        A hash code.
      • getDomainLowerBound

        public double getDomainLowerBound(boolean includeInterval)
        Returns the minimum x-value in the dataset.
        Specified by:
        getDomainLowerBound in interface DomainInfo
        Parameters:
        includeInterval - a flag that determines whether or not the x-interval is taken into account.
        Returns:
        The minimum value.
      • getDomainUpperBound

        public double getDomainUpperBound(boolean includeInterval)
        Returns the maximum x-value in the dataset.
        Specified by:
        getDomainUpperBound in interface DomainInfo
        Parameters:
        includeInterval - a flag that determines whether or not the x-interval is taken into account.
        Returns:
        The maximum value.
      • getDomainBounds

        public Range getDomainBounds(boolean includeInterval)
        Returns the range of the values in this dataset's domain.
        Specified by:
        getDomainBounds in interface DomainInfo
        Parameters:
        includeInterval - a flag that determines whether or not the x-interval is taken into account.
        Returns:
        The range.
      • getIntervalPositionFactor

        public double getIntervalPositionFactor()
        Returns the interval position factor.
        Returns:
        The interval position factor.
      • setIntervalPositionFactor

        public void setIntervalPositionFactor(double d)
        Sets the interval position factor. Must be between 0.0 and 1.0 inclusive. If the factor is 0.5, the gap is in the middle of the x values. If it is lesser than 0.5, the gap is farther to the left and if greater than 0.5 it gets farther to the right.
        Parameters:
        d - the new interval position factor.
      • getIntervalWidth

        public double getIntervalWidth()
        returns the full interval width.
        Returns:
        The interval width to use.
      • setIntervalWidth

        public void setIntervalWidth(double d)
        Sets the interval width to a fixed value, and sends a DatasetChangeEvent to all registered listeners.
        Parameters:
        d - the new interval width (must be > 0).
      • isAutoWidth

        public boolean isAutoWidth()
        Returns whether the interval width is automatically calculated or not.
        Returns:
        A flag that determines whether or not the interval width is automatically calculated.
      • setAutoWidth

        public void setAutoWidth(boolean b)
        Sets the flag that indicates whether the interval width is automatically calculated or not.
        Parameters:
        b - a boolean.

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