weka.knowledgeflow.steps

Class AlterRelationName

java.lang.Object

weka.knowledgeflow.steps.BaseStep

weka.knowledgeflow.steps.AlterRelationName

All Implemented Interfaces:

java.io.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

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected static class	AlterRelationName.ModType Enum of modification types

Field Summary

Fields

Modifier and Type	Field and Description
protected java.util.Set<java.lang.String>	m_hasAltered The set of source step identifiers that have had their data modified so far
protected AlterRelationName.ModType	m_modType The type of modification to make
protected java.lang.String	m_regexMatch Regex string to match
protected java.util.regex.Pattern	m_regexPattern For regex replacement
protected java.lang.String	m_relationNameModText Text to modify the relation name with
protected boolean	m_replaceAll Whether to replace all rexex matches, or just the first

Fields inherited from class weka.knowledgeflow.steps.BaseStep

m_stepIsResourceIntensive, m_stepManager, m_stepName

Constructor Summary

Constructors

Constructor and Description
AlterRelationName()

Method Summary

Modifier and Type	Method and Description
protected void	applyRelationNameChange(Instances insts) Apply the change to the relation name in the given Instances object
java.util.List<java.lang.String>	getIncomingConnectionTypes() Get the list of acceptable incoming connection types
java.lang.String	getModificationText() Get the modification text to apply
AlterRelationName.ModType	getModType() Get the modification type to apply
java.util.List<java.lang.String>	getOutgoingConnectionTypes() Get the list of outgoing connection types that can be made given the current state of incoming connections
java.lang.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(java.lang.String text) Set the modification text to apply
void	setModType(AlterRelationName.ModType mod) Set the modification type to apply
void	setRegexMatch(java.lang.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, setName, setStepIsResourceIntensive, setStepManager, setStepMustRunSingleThreaded, start, stepMustRunSingleThreaded, stop

Methods inherited from class java.lang.Object

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

Field Detail

m_hasAltered

protected java.util.Set<java.lang.String> m_hasAltered

The set of source step identifiers that have had their data modified so far

m_relationNameModText

protected java.lang.String m_relationNameModText

Text to modify the relation name with

m_modType

protected AlterRelationName.ModType m_modType

The type of modification to make

m_regexPattern

protected java.util.regex.Pattern m_regexPattern

For regex replacement

m_regexMatch

protected java.lang.String m_regexMatch

Regex string to match

m_replaceAll

protected boolean m_replaceAll

Whether to replace all rexex matches, or just the first

Constructor Detail

AlterRelationName

public AlterRelationName()

Method Detail

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(java.lang.String text)

Set the modification text to apply

Parameters:

text - the text to apply

getModificationText

public java.lang.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(AlterRelationName.ModType mod)

Set the modification type to apply

Parameters:

mod - the modification type to apply

getModType

public 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(java.lang.String match)

Set the match string for regex modifications

Parameters:

match - the regular expression to apply for matching

getRegexMatch

public java.lang.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

applyRelationNameChange

protected void applyRelationNameChange(Instances insts)

Apply the change to the relation name in the given Instances object

Parameters:

insts - the Instances object to operate on

getIncomingConnectionTypes

public java.util.List<java.lang.String> getIncomingConnectionTypes()

Get the list of acceptable incoming connection types

Returns:

the list of acceptable incoming connection types

getOutgoingConnectionTypes

public java.util.List<java.lang.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