Package app.babylon.table

Interface TableColumnar

All Superinterfaces:

Table

public interface TableColumnar
extends Table

A column-oriented table whose data is exposed as named columns and can be sliced, filtered, transformed, grouped, and sorted.

Method Summary

Modifier and Type	Method	Description
TableColumnar	add(Column... x)
default TableColumnar	apply(Transform transform)
default TableColumnar	apply(Transform... transforms)
default TableColumnar	apply(Iterable<? extends Transform> transforms)
Iterable<Column>	columns()
boolean	contains(ColumnName x)
default TableColumnar	filter(RowFilter filter)
Column	get(ColumnName x)
ColumnBoolean	getBoolean(ColumnName x)
<T> ColumnCategorical<T>	getCategorical(ColumnName x)
<T> ColumnCategorical<T>	getCategorical(ColumnName x, Column.Type type)
ColumnName[]	getColumnNames()
Collection<ColumnName>	getColumnNames(Collection<ColumnName> x)
Column[]	getColumns()
default Column[]	getColumns(ColumnName... x)
Map<ColumnName,Column>	getColumns(Map<ColumnName,Column> x, ColumnName... columnNames)
ColumnObject<BigDecimal>	getDecimal(ColumnName x)
ColumnDouble	getDouble(ColumnName x)
<T extends Enum<T>> ColumnCategorical<T>	getEnum(ColumnName x)
TableColumnar	getFirstRow()	Returns a one-row columnar table containing the first row.
ColumnInt	getInt(ColumnName x)
TableColumnar	getLastRow()	Returns a one-row columnar table containing the last row.
ColumnLong	getLong(ColumnName x)
<T> ColumnObject<T>	getObject(ColumnName x, Column.Type type)
TableColumnar	getRow(int i)	Returns a one-row columnar table containing the row at the supplied index.
ColumnObject<String>	getString(ColumnName x)
default Column.Type	getType(ColumnName x)
default GroupBy	groupBy(ColumnName... v)
static boolean	isEmpty(TableColumnar table)
TableColumnar	prune()	Removes columns that contain no set values.
TableColumnar	removeColumns(ColumnName... x)
TableColumnar	replace(Column... x)
default TableColumnar	select(ColumnName... x)
default TableColumnar	select(Selection x)
default TableColumnar	sort(ColumnName... x)
default TableColumnar	sort(TableSort.SortOrder sortOrder, ColumnName... x)
default SourceMetadata	sourceMetadata()
default String	toString(ToStringSettings settings)
default String	toString10()
default String	toString10(ToStringSettings settings)

Methods inherited from interface app.babylon.table.Table

getColumnCount, getDescription, getName, getRowCount

Method Details

getLastRow

TableColumnar getLastRow()

Returns a one-row columnar table containing the last row.

Specified by:

getLastRow in interface Table

Returns:

a one-row columnar table containing the last row

getFirstRow

TableColumnar getFirstRow()

Returns a one-row columnar table containing the first row.

Specified by:

getFirstRow in interface Table

Returns:

a one-row columnar table containing the first row

getRow

TableColumnar getRow(int i)

Returns a one-row columnar table containing the row at the supplied index.

Specified by:

getRow in interface Table

Parameters:

i - the zero-based row index

Returns:

a one-row columnar table containing the row at i

get

Column get(ColumnName x)

getType

default Column.Type getType(ColumnName x)

contains

boolean contains(ColumnName x)

getColumnNames

Collection<ColumnName> getColumnNames(Collection<ColumnName> x)

getColumnNames

ColumnName[] getColumnNames()

getColumns

Column[] getColumns()

getEnum

<T extends Enum<T>> ColumnCategorical<T> getEnum(ColumnName x)

getCategorical

<T> ColumnCategorical<T> getCategorical(ColumnName x)

getCategorical

<T> ColumnCategorical<T> getCategorical(ColumnName x,
 Column.Type type)

getObject

<T> ColumnObject<T> getObject(ColumnName x,
 Column.Type type)

getString

ColumnObject<String> getString(ColumnName x)

getDecimal

ColumnObject<BigDecimal> getDecimal(ColumnName x)

getDouble

ColumnDouble getDouble(ColumnName x)

getLong

ColumnLong getLong(ColumnName x)

getInt

ColumnInt getInt(ColumnName x)

getBoolean

ColumnBoolean getBoolean(ColumnName x)

columns

Iterable<Column> columns()

replace

TableColumnar replace(Column... x)

add

TableColumnar add(Column... x)

removeColumns

TableColumnar removeColumns(ColumnName... x)

prune

TableColumnar prune()

Removes columns that contain no set values.

toString10

default String toString10()

toString10

default String toString10(ToStringSettings settings)

toString

default String toString(ToStringSettings settings)

getColumns

default Column[] getColumns(ColumnName... x)

getColumns

Map<ColumnName,Column> getColumns(Map<ColumnName,Column> x,
 ColumnName... columnNames)

select

default TableColumnar select(ColumnName... x)

select

default TableColumnar select(Selection x)

filter

default TableColumnar filter(RowFilter filter)

groupBy

default GroupBy groupBy(ColumnName... v)

apply

default TableColumnar apply(Transform... transforms)

apply

default TableColumnar apply(Iterable<? extends Transform> transforms)

apply

default TableColumnar apply(Transform transform)

sourceMetadata

default SourceMetadata sourceMetadata()

sort

default TableColumnar sort(ColumnName... x)

sort

default TableColumnar sort(TableSort.SortOrder sortOrder,
 ColumnName... x)

isEmpty

static boolean isEmpty(TableColumnar table)