Package app.babylon.table.transform

Class TransformConcat

java.lang.Object

app.babylon.table.transform.TransformConcat

All Implemented Interfaces:

Transform

public class TransformConcat
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
static final String	FUNCTION_NAME

Constructor Summary

Constructors

Constructor	Description
TransformConcat(ColumnName concatColumn, String separator, ColumnName... sourceColumns)
TransformConcat(ColumnName concatColumn, String separator, Collection<String> sourceColumns)

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()
String[]	literalValues()
static TransformConcat	of(ColumnName concatColumn, String separator, ColumnName... sourceColumns)
static TransformConcat	of(ColumnName concatColumn, String separator, ColumnName[] sourceColumns, String[] literalValues)
static TransformConcat	of(ColumnName concatColumn, String separator, Collection<String> sourceColumns)
static TransformConcat	of(String... params)
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()
ColumnName[]	sourceColumns()

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

Constructor Details

TransformConcat

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

TransformConcat

public TransformConcat(ColumnName concatColumn,
 String separator,
 Collection<String> sourceColumns)

Method Details

of

public static TransformConcat of(String... params)

of

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

of

public static TransformConcat of(ColumnName concatColumn,
 String separator,
 Collection<String> sourceColumns)

of

public static TransformConcat of(ColumnName concatColumn,
 String separator,
 ColumnName[] sourceColumns,
 String[] literalValues)

separator

public String separator()

effectiveSeparator

public String effectiveSeparator()

concatColumn

public ColumnName concatColumn()

sourceColumns

public ColumnName[] sourceColumns()

literalValues

public String[] literalValues()

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)