com.yahoo.prelude.semantics.rule

Class ReferenceTermProduction

java.lang.Object

com.yahoo.prelude.semantics.rule.Production

com.yahoo.prelude.semantics.rule.TermProduction

com.yahoo.prelude.semantics.rule.ReferenceTermProduction

public class ReferenceTermProduction
extends TermProduction

A term produced by a production rule which takes it's actual term value from one or more terms matched in the condition

Author:

bratseth

Field Summary

Fields

Modifier and Type	Field and Description
private String	reference

Fields inherited from class com.yahoo.prelude.semantics.rule.Production

replacing

Constructor Summary

Constructors

Constructor and Description
ReferenceTermProduction(String reference) Creates a new produced reference term
ReferenceTermProduction(String label, String reference) Creates a new produced reference term
ReferenceTermProduction(String label, String reference, TermType termType) Creates a new produced reference term
ReferenceTermProduction(String reference, TermType termType) Creates a new produced reference term

Method Summary

Modifier and Type	Method and Description
private void	addMatches(RuleEvaluation e, ReferencedMatches referencedMatches)
(package private) void	addMatchReferences(Set<String> matchReferences) Called to add the references into the condition of this rule made by this production into the given set.
String	getReference() Returns the label of the condition this should take its value from, never null
void	produce(RuleEvaluation e, int offset) Produces this at the current match
void	replaceMatches(RuleEvaluation e, ReferencedMatches referencedMatches)
void	setReference(String reference) The label of the condition this should take its value from, never null
String	toInnerTermString()

Methods inherited from class com.yahoo.prelude.semantics.rule.TermProduction

getLabel, getLabelString, getTermType, insertMatch, setLabel, setTermType, toInnerString

Methods inherited from class com.yahoo.prelude.semantics.rule.Production

getPosition, getWeight, setPosition, setReplacing, setWeight, toString

Methods inherited from class java.lang.Object

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

Field Detail

reference

private String reference

Constructor Detail

ReferenceTermProduction

public ReferenceTermProduction(String reference)

Creates a new produced reference term

Parameters:

reference - the label of the condition this should take it's value from

ReferenceTermProduction

public ReferenceTermProduction(String reference,
                               TermType termType)

Creates a new produced reference term

Parameters:

reference - the label of the condition this should take it's value from

termType - the type of the term to produce

ReferenceTermProduction

public ReferenceTermProduction(String label,
                               String reference)

Creates a new produced reference term

Parameters:

label - the label of the produced term

reference - the label of the condition this should take it's value from

ReferenceTermProduction

public ReferenceTermProduction(String label,
                               String reference,
                               TermType termType)

Creates a new produced reference term

Parameters:

label - the label of the produced term

reference - the label of the condition this should take it's value from

termType - the type of term to produce

Method Detail

setReference

public void setReference(String reference)

The label of the condition this should take its value from, never null

getReference

public String getReference()

Returns the label of the condition this should take its value from, never null

addMatchReferences

void addMatchReferences(Set<String> matchReferences)

Description copied from class: Production

Called to add the references into the condition of this rule made by this production into the given set. The default implementation is void, override for productions which refers to the condition

Overrides:

addMatchReferences in class Production

produce

public void produce(RuleEvaluation e,
                    int offset)

Description copied from class: Production

Produces this at the current match

Specified by:

produce in class Production

Parameters:

e - the evaluation context containing the current match and the query

offset - the offset position at which to produce this. Offsets are used to produce multiple items at one position, inserted in the right order.

replaceMatches

public void replaceMatches(RuleEvaluation e,
                           ReferencedMatches referencedMatches)

addMatches

private void addMatches(RuleEvaluation e,
                        ReferencedMatches referencedMatches)

toInnerTermString

public String toInnerTermString()

Specified by:

toInnerTermString in class TermProduction