public class SampleXYDataset
extends org.jfree.data.xy.AbstractXYDataset
implements org.jfree.data.xy.XYDataset
Note that the aim of this class is to create a self-contained data source for demo purposes - it is NOT intended to show how you should go about writing your own datasets.
Constructor and Description |
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SampleXYDataset()
Default constructor.
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Modifier and Type | Method and Description |
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int |
getItemCount(int series)
Returns the number of items in the specified series.
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int |
getSeriesCount()
Returns the number of series in the dataset.
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java.lang.Comparable |
getSeriesKey(int series)
Returns the key for a series.
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double |
getTranslate()
Returns the translation factor.
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java.lang.Number |
getX(int series,
int item)
Returns the x-value for the specified series and item.
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java.lang.Number |
getY(int series,
int item)
Returns the y-value for the specified series and item.
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void |
setTranslate(double translate)
Sets the translation constant for the x-axis.
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getDomainOrder, getXValue, getYValue
addChangeListener, clone, fireDatasetChanged, getGroup, hasListener, notifyListeners, removeChangeListener, setGroup, validateObject
public double getTranslate()
public void setTranslate(double translate)
translate
- the translation factor.public java.lang.Number getX(int series, int item)
getX
in interface org.jfree.data.xy.XYDataset
series
- the index (zero-based) of the series.item
- the index (zero-based) of the required item.public java.lang.Number getY(int series, int item)
getY
in interface org.jfree.data.xy.XYDataset
series
- the index (zero-based) of the series.item
- the index (zero-based) of the required item.public int getSeriesCount()
getSeriesCount
in interface org.jfree.data.general.SeriesDataset
getSeriesCount
in class org.jfree.data.general.AbstractSeriesDataset
public java.lang.Comparable getSeriesKey(int series)
getSeriesKey
in interface org.jfree.data.general.SeriesDataset
getSeriesKey
in class org.jfree.data.general.AbstractSeriesDataset
series
- the index (zero-based) of the series.public int getItemCount(int series)
getItemCount
in interface org.jfree.data.xy.XYDataset
series
- the index (zero-based) of the series.