Package net.sf.tweety.arg.dung.reasoner

Class AbstractExtensionReasoner

java.lang.Object

net.sf.tweety.arg.dung.reasoner.AbstractDungReasoner

net.sf.tweety.arg.dung.reasoner.AbstractExtensionReasoner

All Implemented Interfaces:

ModelProvider<Argument,DungTheory,Extension>, QualitativeReasoner<DungTheory,Argument>, Reasoner<java.lang.Boolean,DungTheory,Argument>

Direct Known Subclasses:

AbstractSatExtensionReasoner, NaiveReasoner, ProboReasoner, QualifiedReasoner, SccCF2Reasoner, SCF2Reasoner, SCOOCNaiveReasoner, SemiQualifiedReasoner, SimpleAdmissibleReasoner, SimpleCompleteReasoner, SimpleConflictFreeReasoner, SimpleGroundedReasoner, SimpleIdealReasoner, SimplePreferredReasoner, SimpleSccCompleteReasoner, SimpleSemiStableReasoner, SimpleStableReasoner, SimpleStageReasoner, Stage2Reasoner, WeaklyAdmissibleReasoner

public abstract class AbstractExtensionReasoner
extends AbstractDungReasoner
implements ModelProvider<Argument,DungTheory,Extension>

Ancestor class for all extension-based reasoners.

Author:

Matthias Thimm

Constructor Summary

Constructors

Constructor	Description
AbstractExtensionReasoner()

Method Summary

Modifier and Type	Method	Description
abstract Extension	getModel(DungTheory bbase)	Returns a single (dedicated) model of the given belief base.
abstract java.util.Collection<Extension>	getModels(DungTheory bbase)	Returns a characterizing model of the given belief base
static AbstractExtensionReasoner	getSimpleReasonerForSemantics(Semantics semantics)	Creates a reasoner for the given semantics.
java.lang.Boolean	query(DungTheory beliefbase, Argument formula)	Queries the given belief base for the given formula.
java.lang.Boolean	query(DungTheory beliefbase, Argument formula, InferenceMode inferenceMode)	Queries the given AAF for the given argument using the given inference type.

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractExtensionReasoner

public AbstractExtensionReasoner()

Method Detail

query

public java.lang.Boolean query(DungTheory beliefbase,
                               Argument formula)

Description copied from interface: Reasoner

Queries the given belief base for the given formula.

Specified by:

query in interface QualitativeReasoner<DungTheory,Argument>

Specified by:

query in interface Reasoner<java.lang.Boolean,DungTheory,Argument>

Specified by:

query in class AbstractDungReasoner

Parameters:

beliefbase - a belief base

formula - a formula

Returns:

the answer to the query

query

public java.lang.Boolean query(DungTheory beliefbase,
                               Argument formula,
                               InferenceMode inferenceMode)

Queries the given AAF for the given argument using the given inference type.

Parameters:

beliefbase - an AAF

formula - a single argument

inferenceMode - either InferenceMode.SKEPTICAL or InferenceMode.CREDULOUS

Returns:

"true" if the argument is accepted

getSimpleReasonerForSemantics

public static AbstractExtensionReasoner getSimpleReasonerForSemantics(Semantics semantics)

Creates a reasoner for the given semantics.

Parameters:

semantics - a semantics

Returns:

a reasoner for the given Dung theory, inference type, and semantics

getModels

public abstract java.util.Collection<Extension> getModels(DungTheory bbase)

Description copied from interface: ModelProvider

Returns a characterizing model of the given belief base

Specified by:

getModels in interface ModelProvider<Argument,DungTheory,Extension>

Parameters:

bbase - some belief base

Returns:

the (selected) models of the belief base

getModel

public abstract Extension getModel(DungTheory bbase)

Description copied from interface: ModelProvider

Returns a single (dedicated) model of the given belief base. If the implemented method allows for more than one dedicated model, the selection may be non-deterministic.

Specified by:

getModel in interface ModelProvider<Argument,DungTheory,Extension>

Parameters:

bbase - some belief base

Returns:

a selected model of the belief base.