Package tech.tablesaw.columns

Class AbstractColumn

java.lang.Object

tech.tablesaw.columns.AbstractColumn

All Implemented Interfaces:

Column

Direct Known Subclasses:

BooleanColumn, DateColumn, DateTimeColumn, DoubleColumn, StringColumn, TimeColumn

public abstract class AbstractColumn
extends Object
implements Column

Partial implementation of the Column interface

Field Summary

Fields

Modifier and Type	Field	Description
static int	DEFAULT_ARRAY_SIZE

Constructor Summary

Constructors

Constructor	Description
AbstractColumn(ColumnType type, String name)

Method Summary

Modifier and Type	Method	Description
abstract Column	appendCell(String stringvalue)
int	columnWidth()	Returns the width of the column in characters, for printing
String	name()	Returns the column's name.
String	print()	TODO(lwhite): Print n from the top and bottom, like a table;
Column	setName(String name)	Sets the columns name to the given string
String	toString()
ColumnType	type()	Returns this column's ColumnType

Methods inherited from interface tech.tablesaw.columns.Column

append, appendMissing, asBytes, asDoubleArray, byteSize, clear, copy, countMissing, countUnique, create, emptyCopy, emptyCopy, first, getDouble, getString, getUnformattedString, inRange, isEmpty, isMissing, isMissing, isNotMissing, lag, last, lead, removeMissing, rolling, rowComparator, rows, sampleN, sampleX, size, sortAscending, sortDescending, subset, summarizeIf, summary, title, unique, where

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_ARRAY_SIZE

public static final int DEFAULT_ARRAY_SIZE

See Also:

Constant Field Values

Constructor Detail

AbstractColumn

public AbstractColumn(ColumnType type,
                      String name)

Method Detail

name

public String name()

Description copied from interface: Column

Returns the column's name.

Specified by:

name in interface Column

Returns:

name as String

setName

public Column setName(String name)

Description copied from interface: Column

Sets the columns name to the given string

Specified by:

setName in interface Column

Parameters:

name - The new name MUST be unique for any table containing this column

Returns:

this Column to allow method chaining

appendCell

public abstract Column appendCell(String stringvalue)

Specified by:

appendCell in interface Column

columnWidth

public int columnWidth()

Returns the width of the column in characters, for printing

Specified by:

columnWidth in interface Column

type

public ColumnType type()

Description copied from interface: Column

Returns this column's ColumnType

Specified by:

type in interface Column

Returns:

ColumnType

toString

public String toString()

Overrides:

toString in class Object

print

public String print()

Description copied from interface: Column

TODO(lwhite): Print n from the top and bottom, like a table;

Specified by:

print in interface Column