Package app.babylon.table.transform

Class TransformConcat

java.lang.Object

app.babylon.table.transform.TransformConcat

All Implemented Interfaces:

Transform

public class TransformConcat
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static final record	TransformConcat.Part

Field Summary

Fields

Modifier and Type	Field	Description
static final String	FUNCTION_NAME

Method Summary

Modifier and Type	Method	Description
void	apply(Map<ColumnName,Column> columnsByName)
ColumnName	concatColumn()
String	effectiveSeparator()
protected Column[]	getColumns(Map<ColumnName,Column> columnsByName, Collection<ColumnName> x)
String	getName()
static TransformConcat	of(ColumnName concatColumn, String separator, ColumnName... sourceColumns)
static TransformConcat	of(ColumnName concatColumn, String separator, TransformConcat.Part... parts)
static TransformConcat	of(ColumnName concatColumn, String separator, Iterable<TransformConcat.Part> parts)
static TransformConcat	of(String... params)	Deprecated, for removal: This API element is subject to removal in a future version. Use transform DSL through QuickTransforms, or typed factories with ColumnName and TransformConcat.Part.
TransformConcat.Part[]	parts()
protected void	putColumns(Map<ColumnName,Column> columnsByName, Column[] transformedColumns)
protected int	rowCount(Map<ColumnName,Column> columnsByName)
protected int	rowCount(Map<ColumnName,Column> columnsByName, Collection<ColumnName> columnNames)
String	separator()

Methods inherited from class java.lang.Object

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

Methods inherited from interface app.babylon.table.transform.Transform

apply

Field Details

FUNCTION_NAME

public static final String FUNCTION_NAME

See Also:

• Constant Field Values

Method Details

of

@Deprecated(since="0.3.22",
            forRemoval=true)
public static TransformConcat of(String... params)

Deprecated, for removal: This API element is subject to removal in a future version.

Use transform DSL through QuickTransforms, or typed factories with ColumnName and TransformConcat.Part.

Creates a concat transform from the legacy registry parameter shape: output column, separator, then source column names.

of

public static TransformConcat of(ColumnName concatColumn,
 String separator,
 ColumnName... sourceColumns)

of

public static TransformConcat of(ColumnName concatColumn,
 String separator,
 TransformConcat.Part... parts)

of

public static TransformConcat of(ColumnName concatColumn,
 String separator,
 Iterable<TransformConcat.Part> parts)

separator

public String separator()

effectiveSeparator

public String effectiveSeparator()

concatColumn

public ColumnName concatColumn()

parts

public TransformConcat.Part[] parts()

apply

public void apply(Map<ColumnName,Column> columnsByName)

getName

public String getName()

Specified by:

getName in interface Transform

getColumns

protected Column[] getColumns(Map<ColumnName,Column> columnsByName,
 Collection<ColumnName> x)

putColumns

protected void putColumns(Map<ColumnName,Column> columnsByName,
 Column[] transformedColumns)

rowCount

protected int rowCount(Map<ColumnName,Column> columnsByName)

rowCount

protected int rowCount(Map<ColumnName,Column> columnsByName,
 Collection<ColumnName> columnNames)