elge.storage.file
Class DataRecordDataset

java.lang.Object
  |
  +--com.jrefinery.data.AbstractDataset
        |
        +--elge.storage.file.DataRecordDataset

All Implemented Interfaces:

com.jrefinery.data.Dataset, DataStorageDataset, com.jrefinery.data.SeriesDataset, com.jrefinery.data.XYDataset

public class DataRecordDataset

extends com.jrefinery.data.AbstractDataset

implements com.jrefinery.data.XYDataset, DataStorageDataset

Constructor Summary

DataRecordDataset(DataRecorder dr, int window)

DataRecordDataset(DataRecorder dr, List property, int window)

DataRecordDataset(DataRecorder dr, String property, int window)

Method Summary

void	addSeries(DataReader dr)
int	getItemCount(int series) Returns the number of items in a series.
int	getSeriesCount() Returns the number of series in the dataset.
String	getSeriesName(int idx) Returns the name of a series.
Number	getXValue(int series, int item) Returns the x-value for an item within a series.
Number	getYValue(int idx, int item) Returns the y-value for an item within a series.
void	update() This method gets called when a bound property is changed.

Methods inherited from class com.jrefinery.data.AbstractDataset

addChangeListener, fireDatasetChanged, getGroup, notifyListeners, removeChangeListener, setGroup

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface com.jrefinery.data.Dataset

addChangeListener, getGroup, removeChangeListener, setGroup

Constructor Detail

DataRecordDataset

public DataRecordDataset(DataRecorder dr,
                         int window)

DataRecordDataset

public DataRecordDataset(DataRecorder dr,
                         String property,
                         int window)

DataRecordDataset

public DataRecordDataset(DataRecorder dr,
                         List property,
                         int window)

Method Detail

addSeries

public void addSeries(DataReader dr)

getItemCount

public int getItemCount(int series)

Returns the number of items in a series.

Specified by:

getItemCount in interface com.jrefinery.data.XYDataset

Parameters:

series - the series (zero-based index).

Returns:

the number of items within the series.

getSeriesCount

public int getSeriesCount()

Returns the number of series in the dataset.

Specified by:

getSeriesCount in interface com.jrefinery.data.SeriesDataset

Returns:

the series count.

getSeriesName

public String getSeriesName(int idx)

Returns the name of a series.

Specified by:

getSeriesName in interface com.jrefinery.data.SeriesDataset

Returns:

the name of the series.

getXValue

public Number getXValue(int series,
                        int item)

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

The implementation is responsible for ensuring that the x-values are presented in ascending order.

Specified by:

getXValue in interface com.jrefinery.data.XYDataset

Parameters:

series - the series (zero-based index).

item - the item (zero-based index).

Returns:

the x-value.

getYValue

public Number getYValue(int idx,
                        int item)

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

Specified by:

getYValue in interface com.jrefinery.data.XYDataset

Parameters:

item - the item (zero-based index).

Returns:

the y-value.

update

public void update()

This method gets called when a bound property is changed.

Specified by:

update in interface DataStorageDataset