com.yahoo.prelude.semantics.rule

Class ReplacingProductionRule

java.lang.Object

com.yahoo.prelude.semantics.rule.ProductionRule

com.yahoo.prelude.semantics.rule.ReplacingProductionRule

public class ReplacingProductionRule
extends ProductionRule

A production rule which replaces matched terms by the production

Author:

bratseth

Constructor Summary

Constructors

Constructor and Description
ReplacingProductionRule()

Method Summary

Modifier and Type	Method and Description
protected String	getSymbol() Returns the symbol of this production rule.
void	produce(RuleEvaluation e) Carries out the production of this rule
private void	removeNonreferencedMatches(RuleEvaluation e) Remove items until there's only one item left

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

getCondition, getProduction, isLoop, makeReferences, matches, matchReferences, setCondition, setProduction, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

ReplacingProductionRule

public ReplacingProductionRule()

Method Detail

produce

public void produce(RuleEvaluation e)

Carries out the production of this rule

Overrides:

produce in class ProductionRule

removeNonreferencedMatches

private void removeNonreferencedMatches(RuleEvaluation e)

Remove items until there's only one item left

getSymbol

protected String getSymbol()

Description copied from class: ProductionRule

Returns the symbol of this production rule. All rules are on the form condition symbol production.

Specified by:

getSymbol in class ProductionRule