de.uka.ilkd.key.strategy.feature

Class FormulaAddedByRuleFeature

java.lang.Object

de.uka.ilkd.key.strategy.feature.BinaryFeature

de.uka.ilkd.key.strategy.feature.FormulaAddedByRuleFeature

All Implemented Interfaces:

Feature

public class FormulaAddedByRuleFeature
extends BinaryFeature

Binary feature that returns zero iff the find-formula of the concerned rule app was introduced by a certain kind rule of rule (described via a RuleFilter)

Field Summary

Fields

Modifier and Type	Field and Description
private RuleFilter	filter

Fields inherited from class de.uka.ilkd.key.strategy.feature.BinaryFeature

TOP_COST, ZERO_COST

Constructor Summary

Constructors

Modifier	Constructor and Description
private	FormulaAddedByRuleFeature(RuleFilter p_filter)

Method Summary

Modifier and Type	Method and Description
static Feature	create(RuleFilter p_filter)
boolean	filter(RuleApp app, PosInOccurrence pos, Goal goal) Compute whether the result of the feature is zero (true) or infinity (false)

Methods inherited from class de.uka.ilkd.key.strategy.feature.BinaryFeature

computeCost

Methods inherited from class java.lang.Object

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

Field Detail

filter

private final RuleFilter filter

Constructor Detail

FormulaAddedByRuleFeature

private FormulaAddedByRuleFeature(RuleFilter p_filter)

Method Detail

create

public static Feature create(RuleFilter p_filter)

filter

public boolean filter(RuleApp app,
                      PosInOccurrence pos,
                      Goal goal)

Description copied from class: BinaryFeature

Compute whether the result of the feature is zero (true) or infinity (false)

Specified by:

filter in class BinaryFeature

Parameters:

app - the RuleApp

pos - position where app is to be applied

goal - the goal on which app is to be applied

Returns:

true iff the the result of the feature is supposed to be zero.