Package app.babylon.table.transform

Class TransformCoalesce

java.lang.Object

app.babylon.table.transform.TransformCoalesce

All Implemented Interfaces:

Transform

public class TransformCoalesce
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
static final String	FUNCTION_NAME

Constructor Summary

Constructors

Constructor	Description
TransformCoalesce(ColumnName newColumnName, ColumnObject.Mode mode, ColumnName firstColumnName, ColumnName secondColumnName, ColumnName thirdColumnName)

Method Summary

Modifier and Type	Method	Description
void	apply(Map<ColumnName,Column> columnsByName)
protected Column[]	getColumns(Map<ColumnName,Column> columnsByName, ColumnName... x)
String	getName()
static TransformCoalesce	of(String... params)
protected void	putColumns(Map<ColumnName,Column> columnsByName, Column[] transformedColumns)
protected <T> Column[]	transformStringColumns(Column[] validColumns, ColumnName[] newColumnNames, Column.Type type, Function<CharSequence,T> transformFunction)
protected <T> Column[]	transformStringColumns(Map<ColumnName,Column> columnsByName, ColumnName[] selectedColumnNames, ColumnName[] newColumnNames, Column.Type type, Function<CharSequence,T> transformFunction)

Methods inherited from class java.lang.Object

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

Field Details

FUNCTION_NAME

public static final String FUNCTION_NAME

See Also:

• Constant Field Values

Constructor Details

TransformCoalesce

public TransformCoalesce(ColumnName newColumnName,
 ColumnObject.Mode mode,
 ColumnName firstColumnName,
 ColumnName secondColumnName,
 ColumnName thirdColumnName)

Method Details

of

public static TransformCoalesce of(String... params)

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,
 ColumnName... x)

transformStringColumns

protected <T> Column[] transformStringColumns(Map<ColumnName,Column> columnsByName,
 ColumnName[] selectedColumnNames,
 ColumnName[] newColumnNames,
 Column.Type type,
 Function<CharSequence,T> transformFunction)

transformStringColumns

protected <T> Column[] transformStringColumns(Column[] validColumns,
 ColumnName[] newColumnNames,
 Column.Type type,
 Function<CharSequence,T> transformFunction)

putColumns

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