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/* Copyright (C) 2015 TU Dortmund
* This file is part of LearnLib, http://www.learnlib.de/.
*
* LearnLib is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 3.0 as published by the Free Software Foundation.
*
* LearnLib is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with LearnLib; if not, see
* http://www.gnu.de/documents/lgpl.en.html.
*/
package de.learnlib.nfa;
import javax.annotation.Nonnull;
import javax.annotation.ParametersAreNonnullByDefault;
import net.automatalib.automata.fsa.NFA;
import net.automatalib.automata.fsa.impl.compact.CompactDFA;
import net.automatalib.util.automata.fsa.NFAs;
import net.automatalib.words.Alphabet;
import de.learnlib.api.LearningAlgorithm;
import de.learnlib.oracles.DefaultQuery;
@ParametersAreNonnullByDefault
public class NFALearnerWrapper implements LearningAlgorithm.DFALearner {
@Nonnull
private final Alphabet alphabet;
@Nonnull
private final LearningAlgorithm,I,Boolean> nfaLearner;
public NFALearnerWrapper(Alphabet alphabet, LearningAlgorithm,I,Boolean> nfaLearner) {
this.alphabet = alphabet;
this.nfaLearner = nfaLearner;
}
@Override
public void startLearning() {
nfaLearner.startLearning();
}
@Override
public boolean refineHypothesis(DefaultQuery ceQuery) {
return nfaLearner.refineHypothesis(ceQuery);
}
@Override
public CompactDFA getHypothesisModel() {
NFA nfaHyp = nfaLearner.getHypothesisModel();
CompactDFA dfaHyp = NFAs.determinize(nfaHyp, alphabet);
return dfaHyp;
}
@Override
public String toString() {
return nfaLearner.toString();
}
}