Package weka.gui.beans

Class SubstringLabelerRules.SubstringLabelerMatchRule

java.lang.Object

weka.gui.beans.SubstringLabelerRules.SubstringLabelerMatchRule

All Implemented Interfaces:

Serializable

Enclosing class:

SubstringLabelerRules

public static class SubstringLabelerRules.SubstringLabelerMatchRule
extends Object
implements Serializable

Inner class encapsulating the logic for matching

Author:

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

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
static final String	MATCH_PART_SEPARATOR	Separator for parts of the match specification

Constructor Summary

Constructors

Constructor	Description
SubstringLabelerMatchRule()	Constructor
SubstringLabelerMatchRule(String setup)	Constructor
SubstringLabelerMatchRule(String match, boolean regex, boolean ignoreCase, String selectedAtts)	Constructor

Method Summary

Modifier and Type	Method	Description
String	apply(Instance inst)	Apply this rule to the supplied instance
String	getAttsToApplyTo()	Get the attributes to apply the rule to
boolean	getIgnoreCase()	Get whether to ignore case when matching
String	getLabel()	Get the label to assign if this rule matches, or empty string if binary flag attribute is being created.
String	getMatch()	Get the string/regex to use for matching
boolean	getRegex()	Get whether this is a regular expression match or not
void	init(Environment env, Instances structure)	Initialize this match rule by substituting any environment variables in the attributes, match and label strings.
void	setAttsToApplyTo(String a)	Set the attributes to apply the rule to
void	setIgnoreCase(boolean ignore)	Set whether to ignore case when matching
void	setLabel(String label)	Set the label to assign if this rule matches, or empty string if binary flag attribute is being created.
void	setMatch(String match)	Set the string/regex to use for matching
void	setRegex(boolean regex)	Set whether this is a regular expression match or not
String	toString()	Return a textual description of this match rule
String	toStringInternal()	Get the internal representation of this rule

Methods inherited from class java.lang.Object

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

Field Details

MATCH_PART_SEPARATOR

public static final String MATCH_PART_SEPARATOR

Separator for parts of the match specification

See Also:

• Constant Field Values

Constructor Details

SubstringLabelerMatchRule

public SubstringLabelerMatchRule()

Constructor

SubstringLabelerMatchRule

public SubstringLabelerMatchRule(String setup)

Constructor

Parameters:

setup - an internally encoded representation of all the match information for this rule

SubstringLabelerMatchRule

public SubstringLabelerMatchRule(String match,
 boolean regex,
 boolean ignoreCase,
 String selectedAtts)

Constructor

Parameters:

match - the match string

regex - true if this is a regular expression match

ignoreCase - true if case is to be ignored

selectedAtts - the attributes to apply the rule to

Method Details

setMatch

public void setMatch(String match)

Set the string/regex to use for matching

Parameters:

match - the match string

getMatch

public String getMatch()

Get the string/regex to use for matching

Returns:

the match string

setLabel

public void setLabel(String label)

Set the label to assign if this rule matches, or empty string if binary flag attribute is being created.

Parameters:

label - the label string or empty string

getLabel

public String getLabel()

Get the label to assign if this rule matches, or empty string if binary flag attribute is being created.

Returns:

the label string or empty string

setRegex

public void setRegex(boolean regex)

Set whether this is a regular expression match or not

Parameters:

regex - true if this is a regular expression match

getRegex

public boolean getRegex()

Get whether this is a regular expression match or not

Returns:

true if this is a regular expression match

setIgnoreCase

public void setIgnoreCase(boolean ignore)

Set whether to ignore case when matching

Parameters:

ignore - true if case is to be ignored

getIgnoreCase

public boolean getIgnoreCase()

Get whether to ignore case when matching

Returns:

true if case is to be ignored

setAttsToApplyTo

public void setAttsToApplyTo(String a)

Set the attributes to apply the rule to

Parameters:

a - the attributes to apply the rule to.

getAttsToApplyTo

public String getAttsToApplyTo()

Get the attributes to apply the rule to

Returns:

the attributes to apply the rule to.

init

public void init(Environment env,
 Instances structure)

Initialize this match rule by substituting any environment variables in the attributes, match and label strings. Sets up the attribute indices to apply to and validates that the selected attributes are all String attributes

Parameters:

env - the environment variables

structure - the structure of the incoming instances

apply

public String apply(Instance inst)

Apply this rule to the supplied instance

Parameters:

inst - the instance to apply to

Returns:

the label (or empty string) if this rule matches (empty string is used to indicate a match in the case that a binary flag attribute is being created), or null if the rule doesn't match.

toString

public String toString()

Return a textual description of this match rule

Overrides:

toString in class Object

Returns:

a textual description of this match rule

toStringInternal

public String toStringInternal()

Get the internal representation of this rule

Returns:

a string formatted in the internal representation