6433387082

Committed 06 Oct 2023 03:10PM UTC coverage: 92.296% (-0.007%) from 92.303%

Build # 6433387082

Build Type

push

github

Committed by

mtf90

Commit Message

update Falk's developer id

Run Details

11573 of 12539 relevant lines covered (92.3%)

1.67 hits per line

Source File
Press 'n' to go to next uncovered line, 'b' for previous

94.12

/commons/util/src/main/java/de/learnlib/util/mealy/SymbolOracleWrapper.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.mealy;

import java.util.ArrayList;
import java.util.Collection;
import java.util.List;

import de.learnlib.api.oracle.MembershipOracle;
import de.learnlib.api.query.Query;
import net.automatalib.words.Word;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * Word-to-Symbol-Oracle adapter.
 * <p>
 * Wraps an oracle which uses {@link Word}s as its output to an oracle which only yields the last symbol of each
 * output.
 *
 * @param <I>
 *         input symbol type
 * @param <O>
 *         output symbol type
 */
final class SymbolOracleWrapper<I, O> implements MembershipOracle<I, @Nullable O> {

    private final MembershipOracle<I, Word<O>> wordOracle;

    /**
     * Constructor.
     *
     * @param wordOracle
     *         the {@link MembershipOracle} returning output words.
     */
    SymbolOracleWrapper(MembershipOracle<I, Word<O>> wordOracle) {
        this.wordOracle = wordOracle;
    }

    @Override
    public void processQueries(Collection<? extends Query<I, @Nullable O>> queries) {
        List<LastSymbolQuery<I, O>> lsQueries = new ArrayList<>(queries.size());
        for (Query<I, @Nullable O> qry : queries) {
            lsQueries.add(new LastSymbolQuery<>(qry));
        }

        wordOracle.processQueries(lsQueries);
    }

    private static final class LastSymbolQuery<I, O> extends Query<I, Word<O>> {

        private final Query<I, @Nullable O> originalQuery;

        LastSymbolQuery(Query<I, @Nullable O> originalQuery) {
            this.originalQuery = originalQuery;
        }

        @Override
        public void answer(Word<O> output) {
            originalQuery.answer(output.isEmpty() ? null : output.lastSymbol());
        }

        @Override
        public Word<I> getPrefix() {
            return originalQuery.getPrefix();
        }

        @Override
        public Word<I> getSuffix() {
            return originalQuery.getSuffix();
        }

        @Override
        public String toString() {
            return originalQuery.toString();
        }

    }

}

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.mealy;
17
18	import java.util.ArrayList;
19	import java.util.Collection;
20	import java.util.List;
21
22	import de.learnlib.api.oracle.MembershipOracle;
23	import de.learnlib.api.query.Query;
24	import net.automatalib.words.Word;
25	import org.checkerframework.checker.nullness.qual.Nullable;
26
27	/**
28	* Word-to-Symbol-Oracle adapter.
29	* <p>
30	* Wraps an oracle which uses {@link Word}s as its output to an oracle which only yields the last symbol of each
31	* output.
32	*
33	* @param <I>
34	* input symbol type
35	* @param <O>
36	* output symbol type
37	*/
38	final class SymbolOracleWrapper<I, O> implements MembershipOracle<I, @Nullable O> {
39
40	private final MembershipOracle<I, Word<O>> wordOracle;
41
42	/**
43	* Constructor.
44	*
45	* @param wordOracle
46	* the {@link MembershipOracle} returning output words.
47	*/
48	SymbolOracleWrapper(MembershipOracle<I, Word<O>> wordOracle) {	1✔
49	this.wordOracle = wordOracle;	1✔
50	}	1✔
51
52	@Override
53	public void processQueries(Collection<? extends Query<I, @Nullable O>> queries) {
54	List<LastSymbolQuery<I, O>> lsQueries = new ArrayList<>(queries.size());	1✔
55	for (Query<I, @Nullable O> qry : queries) {	1✔
56	lsQueries.add(new LastSymbolQuery<>(qry));	1✔
57	}	1✔
58
59	wordOracle.processQueries(lsQueries);	1✔
60	}	1✔
61
62	private static final class LastSymbolQuery<I, O> extends Query<I, Word<O>> {
63
64	private final Query<I, @Nullable O> originalQuery;
65
66	LastSymbolQuery(Query<I, @Nullable O> originalQuery) {	1✔
67	this.originalQuery = originalQuery;	1✔
68	}	1✔
69
70	@Override
71	public void answer(Word<O> output) {
72	originalQuery.answer(output.isEmpty() ? null : output.lastSymbol());	1✔
73	}	1✔
74
75	@Override
76	public Word<I> getPrefix() {
77	return originalQuery.getPrefix();	1✔
78	}
79
80	@Override
81	public Word<I> getSuffix() {
82	return originalQuery.getSuffix();	1✔
83	}
84
85	@Override
86	public String toString() {
87	return originalQuery.toString();	×
88	}
89
90	}
91
92	}

LearnLib / learnlib / 6433387082

Source File Press 'n' to go to next uncovered line, 'b' for previous

Source File
Press 'n' to go to next uncovered line, 'b' for previous