Package app.babylon.table.transform

Class TransformExtract

java.lang.Object

app.babylon.table.transform.TransformExtract

All Implemented Interfaces:

Transform

public class TransformExtract
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
protected final ColumnName	existingColumnName
static final String	FUNCTION_NAME
protected final ColumnName	newColumnName

Method Summary

Modifier and Type	Method	Description
final void	apply(Map<ColumnName,Column> columnsByName)
protected Column[]	getColumns(Map<ColumnName,Column> columnsByName, ColumnName... x)
String	getName()
static TransformExtract	of(ColumnName extractColumnName, Pattern pattern)
static TransformExtract	of(String... params)
protected void	putColumns(Map<ColumnName,Column> columnsByName, Column[] transformedColumns)
protected String	transformString(String s)
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

existingColumnName

protected final ColumnName existingColumnName

newColumnName

protected final ColumnName newColumnName

Method Details

of

public static TransformExtract of(ColumnName extractColumnName,
 Pattern pattern)

of

public static TransformExtract of(String... params)

transformString

protected String transformString(String s)

apply

public final 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)