Package app.babylon.table.column

Interface Transformer<T,S>

Type Parameters:

T - source value type

S - transformed value type

All Superinterfaces:

Function<T,S>

public interface Transformer<T,S>
extends Function<T,S>

Transforms individual column values from one type to another while carrying the target column type and optional output column name.

Method Summary

Modifier and Type	Method	Description
ColumnName	columnName()	Returns the output column name, or null to keep the source name.
static <T, S> Transformer<T,S>	of(Function<? super T,? extends S> function, Column.Type type)
static <T, S> Transformer<T,S>	of(Function<? super T,? extends S> function, Column.Type type, ColumnName columnName)
static <S> Transformer<String,S>	parser(Column.Type type, Sentence.ParseMode parseMode)
static <S> Transformer<String,S>	parser(Column.Type type, Sentence.ParseMode parseMode, ColumnName columnName)
Column.Type	type()	Returns the target column type produced by this transformer.

Methods inherited from interface java.util.function.Function

andThen, apply, compose

Method Details

type

Column.Type type()

Returns the target column type produced by this transformer.

Returns:

target column type

columnName

ColumnName columnName()

Returns the output column name, or null to keep the source name.

Returns:

output column name or null

of

static <T,
S> Transformer<T,S> of(Function<? super T,? extends S> function,
 Column.Type type)

of

static <T,
S> Transformer<T,S> of(Function<? super T,? extends S> function,
 Column.Type type,
 ColumnName columnName)

parser

static <S> Transformer<String,S> parser(Column.Type type,
 Sentence.ParseMode parseMode)

parser

static <S> Transformer<String,S> parser(Column.Type type,
 Sentence.ParseMode parseMode,
 ColumnName columnName)