de.erichseifert.gral.data

Class DummyData

java.lang.Object

de.erichseifert.gral.data.AbstractDataSource

de.erichseifert.gral.data.DummyData

All Implemented Interfaces:

DataSource, java.io.Serializable, java.lang.Iterable<java.lang.Comparable<?>>

public class DummyData
extends AbstractDataSource

Class that represents a data source containing the same value in each cell. It can be used for test purposes or for efficiently creating constant data.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
DummyData(int cols, int rows, java.lang.Comparable<?> value) Creates a new instance with the specified number of columns and rows, which are filled all over with the same specified value.

Method Summary

Modifier and Type	Method and Description
java.lang.Comparable<?>	get(int col, int row) Returns the row with the specified index.
int	getColumnCount() Returns the number of columns of the data source.
int	getRowCount() Returns the number of rows of the data source.

Methods inherited from class de.erichseifert.gral.data.AbstractDataSource

addDataListener, getColumn, getColumnStatistics, getColumnTypes, getName, getRecord, getRow, getRowStatistics, getStatistics, isColumnNumeric, iterator, removeDataListener

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Constructor Detail

DummyData

public DummyData(int cols,
                 int rows,
                 java.lang.Comparable<?> value)

Creates a new instance with the specified number of columns and rows, which are filled all over with the same specified value.

Parameters:

cols - Number of columns.

rows - Number of rows.

value - Value of the cells.

Method Detail

get

public java.lang.Comparable<?> get(int col,
                                   int row)

Returns the row with the specified index.

Parameters:

col - index of the column to return

row - index of the row to return

Returns:

the specified value of the data cell

getColumnCount

public int getColumnCount()

Description copied from class: AbstractDataSource

Returns the number of columns of the data source.

Specified by:

getColumnCount in interface DataSource

Overrides:

getColumnCount in class AbstractDataSource

Returns:

number of columns in the data source.

getRowCount

public int getRowCount()

Returns the number of rows of the data source.

Returns:

number of rows in the data source.