Package org.tweetyproject.logics.pl.util

Class EnumeratingIterator

java.lang.Object

org.tweetyproject.logics.pl.util.EnumeratingIterator

All Implemented Interfaces:

Iterator<PlBeliefSet>, BeliefSetIterator<PlFormula,PlBeliefSet>

public class EnumeratingIterator
extends Object
implements BeliefSetIterator<PlFormula,PlBeliefSet>

This sampler enumerates all possible propositional belief bases of the given signature. It does so by taking all subsets of the set of interpretations as the models of some formula and combines all these formulas in all ways.

Author:

Matthias Thimm

Constructor Summary

Constructors

Constructor	Description
EnumeratingIterator(PlSignature signature)	Creates a new sampler for the given signature
EnumeratingIterator(PlSignature signature, boolean joinSemanticVariants)	Creates a new sampler for the given signature

Method Summary

Modifier and Type	Method	Description
boolean	hasNext()
PlBeliefSet	next()

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Iterator

forEachRemaining, remove

Constructor Details

EnumeratingIterator

public EnumeratingIterator(PlSignature signature)

Creates a new sampler for the given signature

Parameters:

signature - some signature

EnumeratingIterator

public EnumeratingIterator(PlSignature signature,
 boolean joinSemanticVariants)

Creates a new sampler for the given signature

Parameters:

signature - some signature

joinSemanticVariants - whether semantical variants of the same formula should be considered as distinct (="false").

Method Details

hasNext

public boolean hasNext()

Specified by:

hasNext in interface BeliefSetIterator<PlFormula,PlBeliefSet>

Specified by:

hasNext in interface Iterator<PlBeliefSet>

next

public PlBeliefSet next()

Specified by:

next in interface BeliefSetIterator<PlFormula,PlBeliefSet>

Specified by:

next in interface Iterator<PlBeliefSet>