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## org.jfree.data.time
Class TimePeriodValuesCollection

    java.lang.Object
      org.jfree.data.AbstractDataset
          org.jfree.data.AbstractSeriesDataset
              org.jfree.data.AbstractXYDataset
                  org.jfree.data.AbstractIntervalXYDataset
                      org.jfree.data.time.TimePeriodValuesCollection

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

public class TimePeriodValuesCollection
extends AbstractIntervalXYDataset
implements IntervalXYDataset, DomainInfo, java.io.Serializable

A collection of `TimePeriodValues` objects.

This class implements the `XYDataset` interface, as well as the extended `IntervalXYDataset` interface. This makes it a convenient dataset for use with the `XYPlot` class.

See Also:
  Serialized Form

Field Summary
`static int` | `END` Deprecated. Replaced by TimePeriodAnchor.END.
`static int` | `MIDDLE` Deprecated. Replaced by TimePeriodAnchor.MIDDLE.
`static int` | `START` Deprecated. Replaced by TimePeriodAnchor.START.

Constructor Summary
`TimePeriodValuesCollection()` Constructs an empty dataset, tied to the default timezone.
`TimePeriodValuesCollection(TimePeriodValues series)` Constructs a dataset containing a single series.
`TimePeriodValuesCollection(TimePeriodValues series, java.util.TimeZone zone)` Deprecated. TimeZone parameter is not used.
`TimePeriodValuesCollection(java.util.TimeZone zone)` Deprecated. The TimeZone is ignored, use an alternative constructor.

Method Summary
`void` | `addSeries(TimePeriodValues series)` Adds a series to the collection.
`boolean` | `getDomainIsPointsInTime()` Returns a flag that controls whether the domain is treated as 'points in time'.
`Range` | `getDomainRange()` Returns the range of the values in the series domain.
`java.lang.Number` | `getEndXValue(int series, int item)` Returns the ending X value for the specified series and item.
`java.lang.Number` | `getEndYValue(int series, int item)` Returns the ending Y value for the specified series and item.
`int` | `getItemCount(int series)` Returns the number of items in the specified series.
`java.lang.Number` | `getMaximumDomainValue()` Returns the maximum value in the dataset (or null if all the values in the domain are null).
`java.lang.Number` | `getMinimumDomainValue()` Returns the minimum value in the dataset (or null if all the values in the domain are null).
`int` | `getPosition()` Deprecated. Use getXPosition().
`TimePeriodValues` | `getSeries(int series)` Returns a series.
`int` | `getSeriesCount()` Returns the number of series in the collection.
`java.lang.String` | `getSeriesName(int series)` Returns the name of a series.
`java.lang.Number` | `getStartXValue(int series, int item)` Returns the starting X value for the specified series and item.
`java.lang.Number` | `getStartYValue(int series, int item)` Returns the starting Y value for the specified series and item.
`TimePeriodAnchor` | `getXPosition()` Returns the position of the X value within each time period.
`java.lang.Number` | `getXValue(int series, int item)` Returns the x-value for the specified series and item.
`java.lang.Number` | `getYValue(int series, int item)` Returns the y-value for the specified series and item.
`void` | `removeSeries(int index)` Removes a series from the collection.
`void` | `removeSeries(TimePeriodValues series)` Removes the specified series from the collection.
`void` | `setDomainIsPointsInTime(boolean flag)` Sets a flag that controls whether the domain is treated as 'points in time', or time periods.
`void` | `setPosition(int position)` Deprecated. Use setXPosition(...).
`void` | `setXPosition(TimePeriodAnchor position)` Sets the position of the x axis within each time period.

Methods inherited from class org.jfree.data.AbstractIntervalXYDataset
`getEndX, getEndY, getStartX, getStartY`

Methods inherited from class org.jfree.data.AbstractXYDataset
`getX, getY`

Methods inherited from class org.jfree.data.AbstractSeriesDataset
`seriesChanged`

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

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

Methods inherited from interface org.jfree.data.IntervalXYDataset
`getEndX, getEndY, getStartX, getStartY`

Methods inherited from interface org.jfree.data.XYDataset
`getX, getY`

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

Field Detail

### START

    public static final int START

  Deprecated. Replaced by TimePeriodAnchor.START.

  Useful constant for controlling the x-value returned for a time period.

  See Also:
    Constant Field Values

### MIDDLE

    public static final int MIDDLE

  Deprecated. Replaced by TimePeriodAnchor.MIDDLE.

  Useful constant for controlling the x-value returned for a time period.

  See Also:
    Constant Field Values

### END

    public static final int END

  Deprecated. Replaced by TimePeriodAnchor.END.

  Useful constant for controlling the x-value returned for a time period.

  See Also:
    Constant Field Values

Constructor Detail

### TimePeriodValuesCollection

    public TimePeriodValuesCollection()

  Constructs an empty dataset, tied to the default timezone.

### TimePeriodValuesCollection

    public TimePeriodValuesCollection(java.util.TimeZone zone)

  Deprecated. The TimeZone is ignored, use an alternative constructor.

  Constructs an empty dataset, tied to a specific timezone.

Parameters:
  `zone` - the timezone.

### TimePeriodValuesCollection

    public TimePeriodValuesCollection(TimePeriodValues series)

  Constructs a dataset containing a single series. Additional series can be added.

Parameters:
  `series` - the series.

### TimePeriodValuesCollection

    public TimePeriodValuesCollection(TimePeriodValues series,
                                      java.util.TimeZone zone)

  Deprecated. TimeZone parameter is not used.

  Constructs a dataset containing a single series (more can be added), tied to a specific timezone.

Parameters:
  `series` - the series.
  `zone` - the timezone.

Method Detail

### getPosition

    public int getPosition()

  Deprecated. Use getXPosition().

  Returns the position of the x-value returned for a time period (START, MIDDLE, or END).

  Returns:
    the position.

### setPosition

    public void setPosition(int position)

  Deprecated. Use setXPosition(...).

  Sets the position - this controls the x-value that is returned for a particular time period.

  Use the constants START, MIDDLE and END.

  Parameters:
    `position` - the position.

### getXPosition

    public TimePeriodAnchor getXPosition()

  Returns the position of the X value within each time period.

  Returns:
    The position.

### setXPosition

    public void setXPosition(TimePeriodAnchor position)

  Sets the position of the x axis within each time period.

  Parameters:
    `position` - the position.

### getDomainIsPointsInTime

    public boolean getDomainIsPointsInTime()

  Returns a flag that controls whether the domain is treated as 'points in time'.

  This flag is used when determining the max and min values for the domain. If true, then only the x-values are considered for the max and min values. If false, then the start and end x-values will also be taken into consideration

  Returns:
    The flag.

### setDomainIsPointsInTime

    public void setDomainIsPointsInTime(boolean flag)

  Sets a flag that controls whether the domain is treated as 'points in time', or time periods.

  Parameters:
    `flag` - the new value of the flag.

### 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 TimePeriodValues getSeries(int series)

  Returns a series.

  Parameters:
    `series` - The index of the series (zero-based).
  Returns:
    the series.

### getSeriesName

    public java.lang.String getSeriesName(int series)

  Returns the name of a series.

  This method is provided for convenience.

  Specified by:
    `getSeriesName` in interface `SeriesDataset`
  Specified by:
    `getSeriesName` in class `AbstractSeriesDataset`
  Parameters:
    `series` - The index of the series (zero-based).
  Returns:
    the name of a series.

### addSeries

    public void addSeries(TimePeriodValues series)

  Adds a series to the collection. A `DatasetChangeEvent` is sent to all registered listeners.

  Parameters:
    `series` - the time series.

### removeSeries

    public void removeSeries(TimePeriodValues series)

  Removes the specified series from the collection.

  Parameters:
    `series` - the series to remove.

### removeSeries

    public void removeSeries(int index)

  Removes a series from the collection.

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

### getItemCount

    public int getItemCount(int series)

  Returns the number of items in the specified series.

  This method is provided for convenience.

  Specified by:
    `getItemCount` in interface `XYDataset`
  Parameters:
    `series` - The index of the series of interest (zero-based).
  Returns:
    the number of items in the specified series.

### getXValue

    public java.lang.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 java.lang.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 for the specified series and item.

### getEndXValue

    public java.lang.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 for the specified series and item.

### getYValue

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

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

  Specified by:
    `getYValue` in interface `XYDataset`
  Parameters:
    `series` - The series (zero-based index).
    `item` - The item (zero-based index).
  Returns:
    the y-value for the specified series and item.

### getStartYValue

    public java.lang.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 for the specified series and item.

### getEndYValue

    public java.lang.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 for the specified series and item.

### getMinimumDomainValue

    public java.lang.Number getMinimumDomainValue()

  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 value.

### getMaximumDomainValue

    public java.lang.Number getMaximumDomainValue()

  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 value.

### getDomainRange

    public Range getDomainRange()

  Returns the range of the values in the series domain.

  Specified by:
    `getDomainRange` in interface `DomainInfo`
  Returns:
    the range.

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