6660471831

Committed 26 Oct 2023 10:29PM UTC coverage: 93.327% (-0.001%) from 93.328%

Build # 6660471831

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push

github

Committed by

mtf90

Commit Message

cleanup statistics filters

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32 of 32 new or added lines in 7 files covered. (100.0%)

11734 of 12573 relevant lines covered (93.33%)

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44.0

/commons/util/src/main/java/de/learnlib/util/MQUtil.java

/* Copyright (C) 2013-2023 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.util;

import java.util.Collection;
import java.util.Objects;

import de.learnlib.api.oracle.MembershipOracle;
import de.learnlib.api.oracle.OmegaQueryAnswerer;
import de.learnlib.api.oracle.QueryAnswerer;
import de.learnlib.api.query.DefaultQuery;
import de.learnlib.api.query.OmegaQuery;
import de.learnlib.api.query.Query;
import net.automatalib.automaton.concept.SuffixOutput;
import net.automatalib.common.util.Pair;
import net.automatalib.word.Word;
import org.checkerframework.checker.nullness.qual.Nullable;

public final class MQUtil {

    private MQUtil() {
        // prevent instantiation
    }

    public static <I, D> DefaultQuery<I, D> normalize(MembershipOracle<I, D> oracle, DefaultQuery<I, D> query) {
        if (query.isNormalized()) {
            return query;
        }
        return query(oracle, Word.epsilon(), query.getInput());
    }

    public static <I, D> DefaultQuery<I, D> query(MembershipOracle<I, D> oracle, Word<I> prefix, Word<I> suffix) {
        DefaultQuery<I, D> qry = new DefaultQuery<>(prefix, suffix);
        oracle.processQuery(qry);
        return qry;
    }

    public static <I, D> DefaultQuery<I, D> query(MembershipOracle<I, D> oracle, Word<I> queryWord) {
        return query(oracle, Word.epsilon(), queryWord);
    }

    public static <I, D> void answerQueries(QueryAnswerer<I, D> answerer, Collection<? extends Query<I, D>> queries) {
        for (Query<I, D> query : queries) {
            Word<I> prefix = query.getPrefix();
            Word<I> suffix = query.getSuffix();
            D answer = answerer.answerQuery(prefix, suffix);
            query.answer(answer);
        }
    }

    public static <S, I, D> void answerOmegaQueries(OmegaQueryAnswerer<S, I, D> answerer,
                                                    Collection<? extends OmegaQuery<I, D>> queries) {
        for (OmegaQuery<I, D> query : queries) {
            final Word<I> prefix = query.getPrefix();
            final Word<I> loop = query.getLoop();
            final int repeat = query.getRepeat();
            Pair<@Nullable D, Integer> answer = answerer.answerQuery(prefix, loop, repeat);
            query.answer(answer.getFirst(), answer.getSecond());
        }
    }

    public static <I, D> boolean isCounterexample(DefaultQuery<I, D> query, SuffixOutput<I, D> hyp) {
        D qryOut = query.getOutput();
        D hypOut = hyp.computeSuffixOutput(query.getPrefix(), query.getSuffix());
        return !Objects.equals(qryOut, hypOut);
    }
}

1	/* Copyright (C) 2013-2023 TU Dortmund
2	* This file is part of LearnLib, http://www.learnlib.de/.
3	*
4	* Licensed under the Apache License, Version 2.0 (the "License");
5	* you may not use this file except in compliance with the License.
6	* You may obtain a copy of the License at
7	*
8	* http://www.apache.org/licenses/LICENSE-2.0
9	*
10	* Unless required by applicable law or agreed to in writing, software
11	* distributed under the License is distributed on an "AS IS" BASIS,
12	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13	* See the License for the specific language governing permissions and
14	* limitations under the License.
15	*/
16	package de.learnlib.util;
17
18	import java.util.Collection;
19	import java.util.Objects;
20
21	import de.learnlib.api.oracle.MembershipOracle;
22	import de.learnlib.api.oracle.OmegaQueryAnswerer;
23	import de.learnlib.api.oracle.QueryAnswerer;
24	import de.learnlib.api.query.DefaultQuery;
25	import de.learnlib.api.query.OmegaQuery;
26	import de.learnlib.api.query.Query;
27	import net.automatalib.automaton.concept.SuffixOutput;
28	import net.automatalib.common.util.Pair;
29	import net.automatalib.word.Word;
30	import org.checkerframework.checker.nullness.qual.Nullable;
31
32	public final class MQUtil {
33
34	private MQUtil() {
35	// prevent instantiation
36	}
37
38	public static <I, D> DefaultQuery<I, D> normalize(MembershipOracle<I, D> oracle, DefaultQuery<I, D> query) {
39	if (query.isNormalized()) {	×
40	return query;	×
41	}
42	return query(oracle, Word.epsilon(), query.getInput());	×
43	}
44
45	public static <I, D> DefaultQuery<I, D> query(MembershipOracle<I, D> oracle, Word<I> prefix, Word<I> suffix) {
46	DefaultQuery<I, D> qry = new DefaultQuery<>(prefix, suffix);	×
47	oracle.processQuery(qry);	×
48	return qry;	×
49	}
50
51	public static <I, D> DefaultQuery<I, D> query(MembershipOracle<I, D> oracle, Word<I> queryWord) {
52	return query(oracle, Word.epsilon(), queryWord);	×
53	}
54
55	public static <I, D> void answerQueries(QueryAnswerer<I, D> answerer, Collection<? extends Query<I, D>> queries) {
56	for (Query<I, D> query : queries) {	×
57	Word<I> prefix = query.getPrefix();	×
58	Word<I> suffix = query.getSuffix();	×
59	D answer = answerer.answerQuery(prefix, suffix);	×
60	query.answer(answer);	×
61	}	×
62	}	×
63
64	public static <S, I, D> void answerOmegaQueries(OmegaQueryAnswerer<S, I, D> answerer,
65	Collection<? extends OmegaQuery<I, D>> queries) {
66	for (OmegaQuery<I, D> query : queries) {	1✔
67	final Word<I> prefix = query.getPrefix();	1✔
68	final Word<I> loop = query.getLoop();	1✔
69	final int repeat = query.getRepeat();	1✔
70	Pair<@Nullable D, Integer> answer = answerer.answerQuery(prefix, loop, repeat);	1✔
71	query.answer(answer.getFirst(), answer.getSecond());	1✔
72	}	1✔
73	}	1✔
74
75	public static <I, D> boolean isCounterexample(DefaultQuery<I, D> query, SuffixOutput<I, D> hyp) {
76	D qryOut = query.getOutput();	1✔
77	D hypOut = hyp.computeSuffixOutput(query.getPrefix(), query.getSuffix());	1✔
78	return !Objects.equals(qryOut, hypOut);	1✔
79	}
80	}

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