## org.jfree.data.xy
Class XIntervalSeriesCollection

    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.XIntervalSeriesCollection

All Implemented Interfaces:
  java.io.ObjectInputValidation, java.io.Serializable, java.lang.Cloneable, java.util.EventListener, Dataset, SeriesChangeListener, SeriesDataset, IntervalXYDataset, XYDataset, org.jfree.util.PublicCloneable

    public class XIntervalSeriesCollection

extends AbstractIntervalXYDataset
implements IntervalXYDataset, org.jfree.util.PublicCloneable, java.io.Serializable

A collection of `XIntervalSeries` objects.

Since:
  1.0.3
See Also:
  `XIntervalSeries`, Serialized Form

Constructor Summary
`XIntervalSeriesCollection()` Creates a new instance of `XIntervalSeriesCollection`.

Method Summary
`void` `addSeries(XIntervalSeries series)` Adds a series to the collection and sends a `DatasetChangeEvent` to all registered listeners.
`java.lang.Object` `clone()` Returns a clone of this instance.
`boolean` `equals(java.lang.Object obj)` Tests this instance for equality with an arbitrary object.
`java.lang.Number` `getEndX(int series, int item)` Returns the end x-value for an item within a series.
`double` `getEndXValue(int series, int item)` Returns the end x-value (as a double primitive) for an item within a series.
`java.lang.Number` `getEndY(int series, int item)` Returns the end y-value for an item within a series.
`int` `getItemCount(int series)` Returns the number of items in the specified series.
`XIntervalSeries` `getSeries(int series)` Returns a series from the collection.
`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 start x-value for an item within a series.
`double` `getStartXValue(int series, int item)` Returns the start x-value (as a double primitive) for an item within a series.
`java.lang.Number` `getStartY(int series, int item)` Returns the start y-value for an item within a series.
`java.lang.Number` `getX(int series, int item)` Returns the x-value for an item within a series.
`java.lang.Number` `getY(int series, int item)` Returns the y-value for an item within a series.
`double` `getYValue(int series, int item)` Returns the y-value (as a double primitive) for an item within a series.
`void` `removeAllSeries()` Removes all the series from the collection and sends a `DatasetChangeEvent` to all registered listeners.
`void` `removeSeries(int series)` Removes a series from the collection and sends a `DatasetChangeEvent` to all registered listeners.
`void` `removeSeries(XIntervalSeries series)` Removes a series from the collection and sends a `DatasetChangeEvent` to all registered listeners.

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

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

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

Methods inherited from class org.jfree.data.general.AbstractDataset
`addChangeListener, 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.IntervalXYDataset
`getEndYValue, getStartYValue`

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

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

### XIntervalSeriesCollection

    public XIntervalSeriesCollection()

  Creates a new instance of `XIntervalSeriesCollection`.

Method Detail

### addSeries

    public void addSeries(XIntervalSeries series)

  Adds a series to the collection and sends a `DatasetChangeEvent` to all registered listeners.

  Parameters:
    `series` - the series (`null` not permitted).

### 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.

### getSeries

    public XIntervalSeries getSeries(int series)

  Returns a series from the collection.

  Parameters:
    `series` - the series index (zero-based).
  Returns:
    The series.
  Throws:
    `java.lang.IllegalArgumentException` - if `series` is not in the range `0` to `getSeriesCount() - 1`.

### 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 (in the range `0` to `getSeriesCount() - 1`).
  Returns:
    The key for a series.
  Throws:
    `java.lang.IllegalArgumentException` - if `series` is not in the specified range.

### 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 item count.
  Throws:
    `java.lang.IllegalArgumentException` - if `series` is not in the range `0` to `getSeriesCount() - 1`.

### getX

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

  Returns the x-value for an item within a series.

  Specified by:
    `getX` in interface `XYDataset`
  Parameters:
    `series` - the series index.
    `item` - the item index.
  Returns:
    The x-value.

### getStartXValue

    public double getStartXValue(int series,
                                 int item)

  Returns the start x-value (as a double primitive) for an item within a series.

  Specified by:
    `getStartXValue` in interface `IntervalXYDataset`
  Overrides:
    `getStartXValue` in class `AbstractIntervalXYDataset`
  Parameters:
    `series` - the series index (zero-based).
    `item` - the item index (zero-based).
  Returns:
    The value.

### getEndXValue

    public double getEndXValue(int series,
                               int item)

  Returns the end x-value (as a double primitive) for an item within a series.

  Specified by:
    `getEndXValue` in interface `IntervalXYDataset`
  Overrides:
    `getEndXValue` in class `AbstractIntervalXYDataset`
  Parameters:
    `series` - the series (zero-based index).
    `item` - the item (zero-based index).
  Returns:
    The value.

### getYValue

    public double getYValue(int series,
                            int item)

  Returns the y-value (as a double primitive) for an item within a series.

  Specified by:
    `getYValue` in interface `XYDataset`
  Overrides:
    `getYValue` in class `AbstractXYDataset`
  Parameters:
    `series` - the series index (zero-based).
    `item` - the item index (zero-based).
  Returns:
    The value.

### getY

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

  Returns the y-value for an item within a series.

  Specified by:
    `getY` in interface `XYDataset`
  Parameters:
    `series` - the series index.
    `item` - the item index.
  Returns:
    The y-value.

### getStartX

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

  Returns the start x-value for an item within a series.

  Specified by:
    `getStartX` in interface `IntervalXYDataset`
  Parameters:
    `series` - the series index.
    `item` - the item index.
  Returns:
    The x-value.

### getEndX

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

  Returns the end x-value for an item within a series.

  Specified by:
    `getEndX` in interface `IntervalXYDataset`
  Parameters:
    `series` - the series index.
    `item` - the item index.
  Returns:
    The x-value.

### getStartY

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

  Returns the start y-value for an item within a series. This method maps directly to `getY(int, int)`.

  Specified by:
    `getStartY` in interface `IntervalXYDataset`
  Parameters:
    `series` - the series index.
    `item` - the item index.
  Returns:
    The start y-value.

### getEndY

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

  Returns the end y-value for an item within a series. This method maps directly to `getY(int, int)`.

  Specified by:
    `getEndY` in interface `IntervalXYDataset`
  Parameters:
    `series` - the series index.
    `item` - the item index.
  Returns:
    The end y-value.

### removeSeries

    public void removeSeries(int series)

  Removes a series from the collection and sends a `DatasetChangeEvent` to all registered listeners.

  Parameters:
    `series` - the series index (zero-based).
  Since:
    1.0.10

### removeSeries

    public void removeSeries(XIntervalSeries series)

  Removes a series from the collection and sends a `DatasetChangeEvent` to all registered listeners.

  Parameters:
    `series` - the series (`null` not permitted).
  Since:
    1.0.10

### removeAllSeries

    public void removeAllSeries()

  Removes all the series from the collection and sends a `DatasetChangeEvent` to all registered listeners.

  Since:
    1.0.10

### equals

    public boolean equals(java.lang.Object obj)

  Tests this instance for equality with an arbitrary object.

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

### clone

    public java.lang.Object clone()
                           throws java.lang.CloneNotSupportedException

  Returns a clone of this instance.

  Specified by:
    `clone` in interface `org.jfree.util.PublicCloneable`
  Overrides:
    `clone` in class `AbstractDataset`
  Returns:
    A clone.
  Throws:
    `java.lang.CloneNotSupportedException` - if there is a problem.