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## org.jfree.data.xy
Class CategoryTableXYDataset

    java.lang.Object
      org.jfree.data.general.AbstractDataset
          org.jfree.data.general.AbstractSeriesDataset
              org.jfree.data.xy.AbstractXYDataset
                  org.jfree.data.xy.AbstractIntervalXYDataset
                      org.jfree.data.xy.CategoryTableXYDataset

All Implemented Interfaces:
  java.io.ObjectInputValidation, java.io.Serializable, java.lang.Cloneable, java.util.EventListener, DomainInfo, Dataset, SeriesChangeListener, SeriesDataset, IntervalXYDataset, TableXYDataset, XYDataset

    public class CategoryTableXYDataset

extends AbstractIntervalXYDataset
implements TableXYDataset, IntervalXYDataset, DomainInfo

An implementation variant of the `TableXYDataset` where every series shares the same x-values (required for generating stacked area charts). This implementation uses a `DefaultKeyedValues2D` Object as backend implementation and is hence more "category oriented" than the `DefaultTableXYDataset` implementation.

This implementation provides no means to remove data items yet. This is due to the lack of such facility in the DefaultKeyedValues2D class.

This class also implements the `IntervalXYDataset` interface, but this implementation is provisional.

See Also:
  Serialized Form

Constructor Summary
`CategoryTableXYDataset()` Creates a new empty CategoryTableXYDataset.

Method Summary
`void` | `add(double x, double y, java.lang.String seriesName)` Adds a data item to this dataset and sends a `DatasetChangeEvent` to all registered listeners.
`void` | `add(java.lang.Number x, java.lang.Number y, java.lang.String seriesName, boolean notify)` Adds a data item to this dataset and, if requested, sends a `DatasetChangeEvent` to all registered listeners.
`boolean` | `equals(java.lang.Object obj)` Tests this dataset for equality with an arbitrary object.
`Range` | `getDomainBounds(boolean includeInterval)` Returns the range of the values in this dataset's domain.
`double` | `getDomainLowerBound(boolean includeInterval)` Returns the minimum x-value in the dataset.
`double` | `getDomainUpperBound(boolean includeInterval)` Returns the maximum x-value in the dataset.
`java.lang.Number` | `getEndX(int series, int item)` Returns the ending X value for the specified series and item.
`java.lang.Number` | `getEndY(int series, int item)` Returns the ending Y value for the specified series and item.
`double` | `getIntervalPositionFactor()` Returns the interval position factor.
`double` | `getIntervalWidth()` Returns the full interval width.
`int` | `getItemCount()` Returns the number of x values in the dataset.
`int` | `getItemCount(int series)` Returns the number of items in the specified series.
`int` | `getSeriesCount()` Returns the number of series in the collection.
`java.lang.Comparable` | `getSeriesKey(int series)` Returns the key for a series.
`java.lang.Number` | `getStartX(int series, int item)` Returns the starting X value for the specified series and item.
`java.lang.Number` | `getStartY(int series, int item)` Returns the starting Y value for the specified series and item.
`java.lang.Number` | `getX(int series, int item)` Returns the x-value for the specified series and item.
`java.lang.Number` | `getY(int series, int item)` Returns the y-value for the specified series and item.
`boolean` | `isAutoWidth()` Returns whether the interval width is automatically calculated or not.
`void` | `remove(double x, java.lang.String seriesName)` Removes a value from the dataset.
`void` | `remove(java.lang.Number x, java.lang.String seriesName, boolean notify)` Removes an item from the dataset.
`void` | `setAutoWidth(boolean b)` Sets the flag that indicates whether the interval width is automatically calculated or not.
`void` | `setIntervalPositionFactor(double d)` Sets the interval position factor.
`void` | `setIntervalWidth(double d)` Sets the interval width to a fixed value, and sends a `DatasetChangeEvent` to all registered listeners.

Methods inherited from class org.jfree.data.xy.AbstractIntervalXYDataset
`getEndXValue, getEndYValue, getStartXValue, getStartYValue`

Methods inherited from class org.jfree.data.xy.AbstractXYDataset
`getDomainOrder, getXValue, getYValue`

Methods inherited from class org.jfree.data.general.AbstractSeriesDataset
`indexOf, seriesChanged`

Methods inherited from class org.jfree.data.general.AbstractDataset
`addChangeListener, clone, fireDatasetChanged, getGroup, hasListener, notifyListeners, removeChangeListener, setGroup, validateObject`

Methods inherited from class java.lang.Object
`finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Methods inherited from interface org.jfree.data.xy.XYDataset
`getDomainOrder, getXValue, getYValue`

Methods inherited from interface org.jfree.data.general.SeriesDataset
`indexOf`

Methods inherited from interface org.jfree.data.general.Dataset
`addChangeListener, getGroup, removeChangeListener, setGroup`

Methods inherited from interface org.jfree.data.xy.IntervalXYDataset
`getEndXValue, getEndYValue, getStartXValue, getStartYValue`

Methods inherited from interface org.jfree.data.xy.XYDataset
`getDomainOrder, getXValue, getYValue`

Methods inherited from interface org.jfree.data.general.SeriesDataset
`indexOf`

Methods inherited from interface org.jfree.data.general.Dataset
`addChangeListener, getGroup, removeChangeListener, setGroup`

Constructor Detail

### CategoryTableXYDataset

    public CategoryTableXYDataset()

  Creates a new empty CategoryTableXYDataset.

Method Detail

### add

    public void add(double x,
                    double y,
                    java.lang.String seriesName)

  Adds a data item to this dataset and sends a `DatasetChangeEvent` to all registered listeners.

  Parameters:
    `x` - the x value.
    `y` - the y value.
    `seriesName` - the name of the series to add the data item.

### add

    public void add(java.lang.Number x,
                    java.lang.Number y,
                    java.lang.String seriesName,
                    boolean notify)

  Adds a data item to this dataset and, if requested, sends a `DatasetChangeEvent` to all registered listeners.

  Parameters:
    `x` - the x value.
    `y` - the y value.
    `seriesName` - the name of the series to add the data item.
    `notify` - notify listeners?

### remove

    public void remove(double x,
                       java.lang.String seriesName)

  Removes a value from the dataset.

  Parameters:
    `x` - the x-value.
    `seriesName` - the series name.

### remove

    public void remove(java.lang.Number x,
                       java.lang.String seriesName,
                       boolean notify)

  Removes an item from the dataset.

  Parameters:
    `x` - the x-value.
    `seriesName` - the series name.
    `notify` - notify listeners?

### 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 series count.

### getSeriesKey

    public java.lang.Comparable getSeriesKey(int series)

  Returns the key for a series.

  Specified by:
    `getSeriesKey` in interface `SeriesDataset`
  Specified by:
    `getSeriesKey` in class `AbstractSeriesDataset`
  Parameters:
    `series` - the series index (zero-based).
  Returns:
    The key for a series.

### getItemCount

    public int getItemCount()

  Returns the number of x values in the dataset.

  Specified by:
    `getItemCount` in interface `TableXYDataset`
  Returns:
    The item count.

### getItemCount

    public int getItemCount(int series)

  Returns the number of items in the specified series. Returns the same as `getItemCount()`.

  Specified by:
    `getItemCount` in interface `XYDataset`
  Parameters:
    `series` - the series index (zero-based).
  Returns:
    The item count.

### getX

    public java.lang.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 index (zero-based).
    `item` - the item index (zero-based).
  Returns:
    The value.

### getStartX

    public java.lang.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 index (zero-based).
    `item` - the item index (zero-based).
  Returns:
    The starting X value.

### getEndX

    public java.lang.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 index (zero-based).
    `item` - the item index (zero-based).
  Returns:
    The ending X value.

### getY

    public java.lang.Number getY(int series,
                                 int item)

  Returns the y-value for the specified series and item.

  Specified by:
    `getY` in interface `XYDataset`
  Parameters:
    `series` - the series index (zero-based).
    `item` - the item index (zero-based).
  Returns:
    The y value (possibly `null`).

### getStartY

    public java.lang.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 index (zero-based).
    `item` - the item index (zero-based).
  Returns:
    The starting Y value.

### getEndY

    public java.lang.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 index (zero-based).
    `item` - the item index (zero-based).
  Returns:
    The ending Y value.

### 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:
    whether the width is automatically calculated or not.

### setAutoWidth

    public void setAutoWidth(boolean b)

  Sets the flag that indicates whether the interval width is automatically calculated or not.

  Parameters:
    `b` - the flag.

### equals

    public boolean equals(java.lang.Object obj)

  Tests this dataset for equality with an arbitrary object.

  Overrides:
    `equals` in class `java.lang.Object`
  Parameters:
    `obj` - the object (`null` permitted).
  Returns:
    A boolean.

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