Package app.babylon.table.transform

Class TransformRetain

java.lang.Object

app.babylon.table.transform.TransformRetain

All Implemented Interfaces:

Transform

public class TransformRetain
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
static final String	FUNCTION_NAME

Constructor Summary

Constructors

Constructor	Description
TransformRetain(ColumnName... columnNames)

Method Summary

Modifier and Type	Method	Description
void	apply(Map<ColumnName,Column> columnsByName)
ColumnName[]	columnNames()
protected Column[]	getColumns(Map<ColumnName,Column> columnsByName, Collection<ColumnName> x)
String	getName()
static TransformRetain	of(ColumnName... columnNames)
static TransformRetain	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)

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

TransformRetain

public TransformRetain(ColumnName... columnNames)

Method Details

of

public static TransformRetain of(String... params)

of

public static TransformRetain of(ColumnName... columnNames)

columnNames

public ColumnName[] columnNames()

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)