org.knime.base.node.preproc.pmml.missingval.handlers

Class FixedStringValueMissingCellHandlerFactory

java.lang.Object

org.knime.base.node.preproc.pmml.missingval.MissingCellHandlerFactory

org.knime.base.node.preproc.pmml.missingval.handlers.FixedStringValueMissingCellHandlerFactory

public class FixedStringValueMissingCellHandlerFactory
extends MissingCellHandlerFactory

Creates a handler that replaces missing values witha fixed string.

Author:

Alexander Fillbrunn

Field Summary

Fields inherited from class org.knime.base.node.preproc.pmml.missingval.MissingCellHandlerFactory

NO_PMML_INDICATOR

Constructor Summary

Constructors

Constructor and Description
FixedStringValueMissingCellHandlerFactory()

Method Summary

Modifier and Type	Method and Description
MissingCellHandler	createHandler(DataColumnSpec column) Creates a new instance of a missing cell handler managed by this factory.
String	getDisplayName()
MissingValueHandlerPanel	getSettingsPanel() Creates and returns the panel where the user can make changes to settings of the missing value handler.
boolean	hasSettingsPanel() If true, the factory provides a custom settings panel.
boolean	isApplicable(DataType type) Determines whether the missing cell handler created by this factory can be applied to cells of a data type.
boolean	producesPMML4_2() Determines whether the missing value handler managed by this factory does operations that can be represented in PMML 4.2.

Methods inherited from class org.knime.base.node.preproc.pmml.missingval.MissingCellHandlerFactory

getDescription, getID, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

FixedStringValueMissingCellHandlerFactory

public FixedStringValueMissingCellHandlerFactory()

Method Detail

hasSettingsPanel

public boolean hasSettingsPanel()

If true, the factory provides a custom settings panel.

Specified by:

hasSettingsPanel in class MissingCellHandlerFactory

Returns:

should return true if the getSettingsPanel method returns not null.

getSettingsPanel

public MissingValueHandlerPanel getSettingsPanel()

Creates and returns the panel where the user can make changes to settings of the missing value handler.

Specified by:

getSettingsPanel in class MissingCellHandlerFactory

Returns:

the panel

getDisplayName

public String getDisplayName()

Specified by:

getDisplayName in class MissingCellHandlerFactory

Returns:

the name of the factory. May be appended automatically by an asterisk (*) if the factory does not support PMML 4.2.

createHandler

public MissingCellHandler createHandler(DataColumnSpec column)

Creates a new instance of a missing cell handler managed by this factory.

Specified by:

createHandler in class MissingCellHandlerFactory

Parameters:

column - the column this handler is for.

Returns:

an instance of the handler.

producesPMML4_2

public boolean producesPMML4_2()

Determines whether the missing value handler managed by this factory does operations that can be represented in PMML 4.2.

Specified by:

producesPMML4_2 in class MissingCellHandlerFactory

Returns:

true, if the handler only does operations that can be described by a PMML 4.2 derived field.

isApplicable

public boolean isApplicable(DataType type)

Determines whether the missing cell handler created by this factory can be applied to cells of a data type.

Specified by:

isApplicable in class MissingCellHandlerFactory

Parameters:

type - the data type to check

Returns:

true, if the handler created by the factory can handle the column.