de.grogra.pf.data

Class Dataset

java.lang.Object

de.grogra.pf.data.Dataset

All Implemented Interfaces:

Shareable, Showable, java.io.Serializable

public final class Dataset
extends java.lang.Object
implements Shareable, java.io.Serializable, Showable

A Dataset contains a set of Datacells which are arranged in a tabular scheme, i.e., in rows and columns.

Author:

Ole Kniemeyer

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
static MimeType	MIME_TYPE

Constructor Summary

Constructors

Constructor and Description
Dataset()

Method Summary

Methods

Modifier and Type	Method and Description
Dataseries	addColumn() Adds a new column to this dataset and returns it as a dataseries.
Dataseries	addColumn(java.lang.Comparable key) Adds a new column to this dataset and returns it as a dataseries.
void	addReference(SharedObjectReference ref)
Dataseries	addRow() Adds a new row to this dataset and returns it as a dataseries.
Dataseries	addRow(java.lang.Comparable key) Adds a new row to this dataset and returns it as a dataseries.
void	appendReferencesTo(java.util.List out)
DatasetAdapter	asDatasetAdapter() Returns a view of this dataset as an instance of DatasetAdapter.
javax.swing.table.TableModel	asTableModel() Returns a view of this dataset as an instance of TableModel.
Dataset	clear() Clears this dataset.
void	export(java.io.FileWriter file, java.lang.String separator) Writes the data of this dataset to the indicated file.
static void	export(Item item, java.lang.Object info, Context context)
java.lang.String	getCategoryLabel()
Datacell	getCell(int row, int col) Returns the datacell at row and column.
Dataseries	getColumn(int column) Returns column as a dataseries.
int	getColumnCount() Returns the number of columns of this dataset.
int	getColumnCount(int row) Returns the number of columns which are defined in row.
java.lang.Comparable	getColumnKey(int column) Returns the key for the column with index column.
org.jfree.data.DomainOrder	getDomainOrder()
org.jfree.data.general.DatasetGroup	getGroup()
SharedObjectProvider	getProvider()
Dataseries	getRow(int row) Returns row as a dataseries.
int	getRowCount() Returns the number of rows of this dataset.
int	getRowCount(int column)
java.lang.Comparable	getRowKey(int row) Returns the key for the row with index row.
java.lang.String	getTitle()
java.lang.String	getValueLabel()
boolean	hasCell(int row, int col)
boolean	hasSeriesInRows()
void	initProvider(SharedObjectProvider provider)
Dataseries	operator$shl(double[] v)
Dataseries	operator$shl(java.lang.Number v)
void	removeReference(SharedObjectReference ref)
Dataset	setCategoryLabel(java.lang.String s)
Dataset	setColumnKey(int col, java.lang.Comparable key) Sets the key for column with index column to key
void	setDomainOrder(org.jfree.data.DomainOrder order)
void	setGroup(org.jfree.data.general.DatasetGroup group)
Dataset	setHistogramBins(int col, double min, double max, int count)
Dataset	setHistogramBins(int col, java.util.List<org.jfree.data.statistics.HistogramBin> bins)
Dataset	setRowKey(int row, java.lang.Comparable key) Sets the key for row with index row to key
Dataset	setSeriesInRows(boolean value)
Dataset	setTitle(java.lang.String s)
Dataset	setValueLabel(java.lang.String s)
void	show(Context ctx)
void	showInPanel(Panel panel)
HistogramAdapter	toHistogram() Returns a histogram of this dataset.
StatisticsAdapter	toStatistics() Returns a statistics view of this dataset.

Methods inherited from class java.lang.Object

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

Field Detail

MIME_TYPE

public static final MimeType MIME_TYPE

Constructor Detail

Dataset

public Dataset()

Method Detail

addColumn

public Dataseries addColumn()

Adds a new column to this dataset and returns it as a dataseries.

Returns:

added column as a dataseries

addColumn

public Dataseries addColumn(java.lang.Comparable key)

Adds a new column to this dataset and returns it as a dataseries.

Parameters:

key - column key to use

Returns:

added column as a dataseries

addReference

public void addReference(SharedObjectReference ref)

Specified by:

addReference in interface Shareable

addRow

public Dataseries addRow()

Adds a new row to this dataset and returns it as a dataseries.

Returns:

added row as a dataseries

addRow

public Dataseries addRow(java.lang.Comparable key)

Adds a new row to this dataset and returns it as a dataseries.

Parameters:

key - row key to use

Returns:

added row as a dataseries

appendReferencesTo

public void appendReferencesTo(java.util.List out)

Specified by:

appendReferencesTo in interface Shareable

asDatasetAdapter

public DatasetAdapter asDatasetAdapter()

Returns a view of this dataset as an instance of DatasetAdapter. Note that the meanings of rows and columns are exchanged.

Returns:

dataset as a DatasetAdapter

asTableModel

public javax.swing.table.TableModel asTableModel()

Returns a view of this dataset as an instance of TableModel.

Returns:

dataset as a TableModel

clear

public Dataset clear()

Clears this dataset. This removes all rows, columns, and their keys.

Returns:

this dataset

export

public void export(java.io.FileWriter file,
          java.lang.String separator)

Writes the data of this dataset to the indicated file.

Parameters:

file -

separator - between the items of a column

export

public static void export(Item item,
          java.lang.Object info,
          Context context)

getCategoryLabel

public java.lang.String getCategoryLabel()

getCell

public Datacell getCell(int row,
               int col)

Returns the datacell at row and column. The rows and columns are extended if necessary.

Parameters:

row - row index of cell

col - column index of cell

Returns:

datacell at specified location

getColumn

public Dataseries getColumn(int column)

Returns column as a dataseries.

Parameters:

column - column index

Returns:

specified column represented as a dataseries

getColumnCount

public int getColumnCount()

Returns the number of columns of this dataset.

Returns:

number of columns

See Also:

getColumnCount(int)

getColumnCount

public int getColumnCount(int row)

Returns the number of columns which are defined in row. The returned value does not exceed getColumnCount().

Parameters:

row - row index

Returns:

number of columns in row

getColumnKey

public java.lang.Comparable getColumnKey(int column)

Returns the key for the column with index column. If such a key has not been set explicitly by setColumnKey(int, Comparable), an instance of Character is returned, its value being column + 'A'.

Parameters:

column - column index

Returns:

key for column

getDomainOrder

public org.jfree.data.DomainOrder getDomainOrder()

getGroup

public org.jfree.data.general.DatasetGroup getGroup()

getProvider

public SharedObjectProvider getProvider()

Specified by:

getProvider in interface Shareable

getRow

public Dataseries getRow(int row)

Returns row as a dataseries.

Parameters:

row - row index

Returns:

specified row represented as a dataseries

getRowCount

public int getRowCount()

Returns the number of rows of this dataset.

Returns:

number of rows

getRowCount

public int getRowCount(int column)

getRowKey

public java.lang.Comparable getRowKey(int row)

Returns the key for the row with index row. If such a key has not been set explicitly by setRowKey(int, Comparable), an instance of Integer is returned, its value being row + 1.

Parameters:

row - row index

Returns:

key for row

getTitle

public java.lang.String getTitle()

getValueLabel

public java.lang.String getValueLabel()

hasCell

public boolean hasCell(int row,
              int col)

hasSeriesInRows

public boolean hasSeriesInRows()

initProvider

public void initProvider(SharedObjectProvider provider)

Specified by:

initProvider in interface Shareable

operator$shl

public Dataseries operator$shl(double[] v)

operator$shl

public Dataseries operator$shl(java.lang.Number v)

removeReference

public void removeReference(SharedObjectReference ref)

Specified by:

removeReference in interface Shareable

setCategoryLabel

public Dataset setCategoryLabel(java.lang.String s)

setColumnKey

public Dataset setColumnKey(int col,
                   java.lang.Comparable key)

Sets the key for column with index column to key

Parameters:

col - column index

key - key for column

Returns:

this dataset

See Also:

getColumnKey(int)

setDomainOrder

public void setDomainOrder(org.jfree.data.DomainOrder order)

setGroup

public void setGroup(org.jfree.data.general.DatasetGroup group)

setHistogramBins

public Dataset setHistogramBins(int col,
                       double min,
                       double max,
                       int count)

setHistogramBins

public Dataset setHistogramBins(int col,
                       java.util.List<org.jfree.data.statistics.HistogramBin> bins)

setRowKey

public Dataset setRowKey(int row,
                java.lang.Comparable key)

Sets the key for row with index row to key

Parameters:

row - row index

key - key for row

Returns:

this dataset

See Also:

getRowKey(int)

setSeriesInRows

public Dataset setSeriesInRows(boolean value)

setTitle

public Dataset setTitle(java.lang.String s)

setValueLabel

public Dataset setValueLabel(java.lang.String s)

show

public void show(Context ctx)

Specified by:

show in interface Showable

showInPanel

public void showInPanel(Panel panel)

toHistogram

public HistogramAdapter toHistogram()

Returns a histogram of this dataset.

Returns:

dataset as a DatasetAdapter

toStatistics

public StatisticsAdapter toStatistics()

Returns a statistics view of this dataset.

Returns:

dataset as a StatisticsAdapter