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A collection of membership oracles
/* Copyright (C) 2013-2018 TU Dortmund
* This file is part of LearnLib, http://www.learnlib.de/.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package de.learnlib.oracle.membership;
import java.util.Collection;
import de.learnlib.api.oracle.SingleQueryOracle;
import de.learnlib.api.query.Query;
import de.learnlib.util.MQUtil;
import net.automatalib.automata.concepts.SuffixOutput;
import net.automatalib.automata.fsa.DFA;
import net.automatalib.automata.transout.MealyMachine;
import net.automatalib.words.Word;
/**
* A membership oracle backed by an automaton. The automaton must implement the {@link SuffixOutput} concept, allowing
* to identify a suffix part in the output (relative to a prefix/suffix subdivision in the input).
*
* @param
* input symbol type
* @param
* (suffix) output domain type
*
* @author Malte Isberner
*/
public class SimulatorOracle implements SingleQueryOracle {
private final SuffixOutput automaton;
/**
* Constructor.
*
* @param automaton
* the suffix-observable automaton
*/
public SimulatorOracle(SuffixOutput automaton) {
this.automaton = automaton;
}
@Override
public D answerQuery(Word prefix, Word suffix) {
return automaton.computeSuffixOutput(prefix, suffix);
}
@Override
public void processQueries(Collection> queries) {
MQUtil.answerQueriesAuto(this, queries);
}
public static class DFASimulatorOracle extends SimulatorOracle implements SingleQueryOracleDFA {
public DFASimulatorOracle(DFA dfa) {
super(dfa);
}
}
public static class MealySimulatorOracle extends SimulatorOracle>
implements SingleQueryOracleMealy {
public MealySimulatorOracle(MealyMachine mealy) {
super(mealy);
}
}
}