Package org.jfree.data

Class DefaultTableXYDataset

java.lang.Object
org.jfree.data.AbstractDataset
org.jfree.data.AbstractSeriesDataset
org.jfree.data.AbstractXYDataset
org.jfree.data.AbstractIntervalXYDataset
org.jfree.data.DefaultTableXYDataset
All Implemented Interfaces:
ObjectInputValidation, Serializable, Cloneable, EventListener, Dataset, DomainInfo, IntervalXYDataset, SeriesChangeListener, SeriesDataset, TableXYDataset, XYDataset
public class DefaultTableXYDataset
extends AbstractIntervalXYDataset
implements TableXYDataset, IntervalXYDataset, DomainInfo
An XYDataset where every series shares the same x-values (required for generating stacked area charts).
Author:
Richard Atkinson
See Also:
Serialized Form

  • Constructor Details

    • 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.

    • DefaultTableXYDataset

      public DefaultTableXYDataset​(XYSeries series)
      Deprecated.
      Use regular constructor then add series.
      Constructs a dataset and populates it with a single time series.
      Parameters:
      series - the series.

  • Method Details

    • 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.

    • getSeriesCount

      public int getSeriesCount()
      Returns the number of series in the collection.
      Specified by:
      getSeriesCount in interface SeriesDataset
      Specified by:
      getSeriesCount in class AbstractSeriesDataset
      Returns:
      the number of series in the collection.

    • 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).

    • getSeriesName

      public String getSeriesName​(int series)
      Returns the name of a series.
      Specified by:
      getSeriesName in interface SeriesDataset
      Specified by:
      getSeriesName in class AbstractSeriesDataset
      Parameters:
      series - the series (zero-based index).
      Returns:
      the name of a series.

    • 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.

    • getXValue

      public Number getXValue​(int series, int item)
      Returns the x-value for the specified series and item.
      Specified by:
      getXValue 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.

    • getStartXValue

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

    • getEndXValue

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

    • getYValue

      public Number getYValue​(int series, int index)
      Returns the y-value for the specified series and item.
      Specified by:
      getYValue 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).

    • getStartYValue

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

    • getEndYValue

      public Number getEndYValue​(int series, int item)
      Returns the ending Y value for the specified series and item.
      Specified by:
      getEndYValue 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.

    • seriesChanged

      public void seriesChanged​(SeriesChangeEvent event)
      This method receives notification when a series belonging to the dataset changes. It responds by updating the x-points for the entire dataset and sending a DatasetChangeEvent to all registered listeners.
      Specified by:
      seriesChanged in interface SeriesChangeListener
      Overrides:
      seriesChanged in class AbstractSeriesDataset
      Parameters:
      event - information about the change.

    • 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.

    • getDomainRange

      public Range getDomainRange()
      Description copied from interface: DomainInfo
      Returns the range of the values in this dataset's domain.
      Specified by:
      getDomainRange in interface DomainInfo
      Returns:
      the domain range

    • getMaximumDomainValue

      public Number getMaximumDomainValue()
      Description copied from interface: DomainInfo
      Returns the maximum value in the dataset (or null if all the values in the domain are null).
      Specified by:
      getMaximumDomainValue in interface DomainInfo
      Returns:
      the maximum domain value.

    • getMinimumDomainValue

      public Number getMinimumDomainValue()
      Description copied from interface: DomainInfo
      Returns the minimum value in the dataset (or null if all the values in the domain are null).
      Specified by:
      getMinimumDomainValue in interface DomainInfo
      Returns:
      the minimum domain value.

    • 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 manually.
      Parameters:
      d - the new interval width.

    • isAutoWidth

      public boolean isAutoWidth()
      Returns wether the interval width is automatically calculated or not.
      Returns:
      wether the width is automatically calcualted or not.

    • setAutoWidth

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