Package weka.knowledgeflow.steps

Class AlterRelationName

java.lang.Object

weka.knowledgeflow.steps.BaseStep

weka.knowledgeflow.steps.AlterRelationName

All Implemented Interfaces:

Serializable, BaseStepExtender, Step

@KFStep(name="AlterRelationName",
        category="Flow",
        toolTipText="Alter the relation name in data sets",
        iconPath="weka/gui/knowledgeflow/icons/DiamondPlain.gif")
public class AlterRelationName
extends BaseStep

Step that alters the relation name for data received via instance, dataSet, trainingSet and testSet connections

Version:

$Revision: $

Author:

Mark Hall (mhall{[at]}pentaho{[dot]}com)

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
AlterRelationName()

Method Summary

Modifier and Type	Method	Description
List<String>	getIncomingConnectionTypes()	Get the list of acceptable incoming connection types
String	getModificationText()	Get the modification text to apply
weka.knowledgeflow.steps.AlterRelationName.ModType	getModType()	Get the modification type to apply
List<String>	getOutgoingConnectionTypes()	Get the list of outgoing connection types that can be made given the current state of incoming connections
String	getRegexMatch()	Get the match string for regex modifications
boolean	getReplaceAll()	Get whether to replace all regular expression matches, or just the first.
void	processIncoming(Data data)	Process incoming data
void	setModificationText(String text)	Set the modification text to apply
void	setModType(weka.knowledgeflow.steps.AlterRelationName.ModType mod)	Set the modification type to apply
void	setRegexMatch(String match)	Set the match string for regex modifications
void	setReplaceAll(boolean replaceAll)	Set whether to replace all regular expression matches, or just the first.
void	stepInit()	Initialize the step

Methods inherited from class weka.knowledgeflow.steps.BaseStep

environmentSubstitute, getCustomEditorForStep, getDefaultSettings, getInteractiveViewers, getInteractiveViewersImpls, getName, getStepManager, globalInfo, isResourceIntensive, isStopRequested, outputStructureForConnectionType, outputStructureForConnectionType, setName, setStepIsResourceIntensive, setStepManager, setStepMustRunSingleThreaded, start, stepMustRunSingleThreaded, stop

Methods inherited from class java.lang.Object

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

Constructor Details

AlterRelationName

public AlterRelationName()

Method Details

stepInit

public void stepInit()
              throws WekaException

Initialize the step

Throws:

WekaException - if a problem occurs

setModificationText

@OptionMetadata(displayName="Text to use",
                description="The text to modify the relation name with",
                displayOrder=0)
public void setModificationText(String text)

Set the modification text to apply

Parameters:

text - the text to apply

getModificationText

public String getModificationText()

Get the modification text to apply

Returns:

the modification text

setModType

@OptionMetadata(displayName="Relation name modification type",
                description="The type of modification to apply",
                displayOrder=1)
public void setModType(weka.knowledgeflow.steps.AlterRelationName.ModType mod)

Set the modification type to apply

Parameters:

mod - the modification type to apply

getModType

public weka.knowledgeflow.steps.AlterRelationName.ModType getModType()

Get the modification type to apply

Returns:

the modification type to apply

setRegexMatch

@OptionMetadata(displayName="Regular expression",
                description="Regular expression to match when performing a REGEX modification",
                displayOrder=2)
public void setRegexMatch(String match)

Set the match string for regex modifications

Parameters:

match - the regular expression to apply for matching

getRegexMatch

public String getRegexMatch()

Get the match string for regex modifications

Returns:

the regular expression to apply for matching

setReplaceAll

@OptionMetadata(displayName="Replace all regex matches",
                description="Replace all matching occurrences if set to true, or just the first match if set to false",
                displayOrder=3)
public void setReplaceAll(boolean replaceAll)

Set whether to replace all regular expression matches, or just the first.

Parameters:

replaceAll - true to replace all regex matches

getReplaceAll

public boolean getReplaceAll()

Get whether to replace all regular expression matches, or just the first.

Returns:

true to replace all regex matches

processIncoming

public void processIncoming(Data data)
                     throws WekaException

Process incoming data

Specified by:

processIncoming in interface BaseStepExtender

Specified by:

processIncoming in interface Step

Overrides:

processIncoming in class BaseStep

Parameters:

data - the payload to process

Throws:

WekaException - if a problem occurs

getIncomingConnectionTypes

public List<String> getIncomingConnectionTypes()

Get the list of acceptable incoming connection types

Returns:

the list of acceptable incoming connection types

getOutgoingConnectionTypes

public List<String> getOutgoingConnectionTypes()

Get the list of outgoing connection types that can be made given the current state of incoming connections

Returns:

a list of outgoing connection types that can be made