20198569605

Committed 13 Dec 2025 10:10PM UTC coverage: 94.914% (+0.4%) from 94.471%

Build # 20198569605

Build Type

Pull #153

github

Committed by

web-flow

Commit Message

Merge 6a71fc929 into 879958926

Pull Request Pull Request #153: Implementation for learning MMLTs, new model for collecting statistics

Run Details

1823 of 1873 new or added lines in 77 files covered. (97.33%)

1 existing line in 1 file now uncovered.

14258 of 15022 relevant lines covered (94.91%)

1.73 hits per line

Source File
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80.0

/filters/statistics/src/main/java/de/learnlib/filter/statistic/sul/CounterObservableSUL.java

/* Copyright (C) 2013-2025 TU Dortmund University
 * This file is part of LearnLib <https://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.filter.statistic.sul;

import de.learnlib.statistic.Statistics;
import de.learnlib.statistic.StatisticsKey;
import de.learnlib.statistic.StatisticsService;
import de.learnlib.sul.ObservableSUL;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * Wrapper for a {@link ObservableSUL} that gathers various statistics on queries sent to this SUL.
 *
 * @param <I>
 *         input symbol type
 * @param <O>
 *         output symbol type
 */
public class CounterObservableSUL<S, I, O> extends CounterSUL<I, O> implements ObservableSUL<S, I, O> {

    private final ObservableSUL<S, I, O> delegate;

    /**
     * Convenience constructor for {@link CounterObservableSUL#CounterObservableSUL(ObservableSUL, String)} which uses
     * {@code null} as {@code id}.
     *
     * @param delegate
     *         the SUL to delegate calls to
     */
    public CounterObservableSUL(ObservableSUL<S, I, O> delegate) {
        this(delegate, null);
    }

    /**
     * Constructs a new counter SUL that writes statistical data to a {@link StatisticsService}. The provided {@code id}
     * is used to refine the supported {@link StatisticsKey}s and allows for using multiple instances of this class for
     * different purposes.
     *
     * @param delegate
     *         the SUL to delegate calls to
     * @param id
     *         the id used for specialising the statistics keys
     */
    public CounterObservableSUL(ObservableSUL<S, I, O> delegate, @Nullable String id) {
        this(delegate, id, Statistics.getService());
    }

    protected CounterObservableSUL(ObservableSUL<S, I, O> delegate, @Nullable String id, StatisticsService statistics) {
        super(delegate, id, statistics);
        this.delegate = delegate;
    }

    @Override
    public ObservableSUL<S, I, O> fork() {
        return new CounterObservableSUL<>(this.delegate.fork(), super.id, super.statistics);
    }

    @Override
    public S getState() {
        return this.delegate.getState();
    }

    @Override
    public boolean deepCopies() {
        return this.delegate.deepCopies();
    }
}

1	/* Copyright (C) 2013-2025 TU Dortmund University
2	* This file is part of LearnLib <https://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.filter.statistic.sul;
17
18	import de.learnlib.statistic.Statistics;
19	import de.learnlib.statistic.StatisticsKey;
20	import de.learnlib.statistic.StatisticsService;
21	import de.learnlib.sul.ObservableSUL;
22	import org.checkerframework.checker.nullness.qual.Nullable;
23
24	/**
25	* Wrapper for a {@link ObservableSUL} that gathers various statistics on queries sent to this SUL.
26	*
27	* @param <I>
28	* input symbol type
29	* @param <O>
30	* output symbol type
31	*/
32	public class CounterObservableSUL<S, I, O> extends CounterSUL<I, O> implements ObservableSUL<S, I, O> {
33
34	private final ObservableSUL<S, I, O> delegate;
35
36	/**
37	* Convenience constructor for {@link CounterObservableSUL#CounterObservableSUL(ObservableSUL, String)} which uses
38	* {@code null} as {@code id}.
39	*
40	* @param delegate
41	* the SUL to delegate calls to
42	*/
43	public CounterObservableSUL(ObservableSUL<S, I, O> delegate) {
44	this(delegate, null);	2✔
45	}	2✔
46
47	/**
48	* Constructs a new counter SUL that writes statistical data to a {@link StatisticsService}. The provided {@code id}
49	* is used to refine the supported {@link StatisticsKey}s and allows for using multiple instances of this class for
50	* different purposes.
51	*
52	* @param delegate
53	* the SUL to delegate calls to
54	* @param id
55	* the id used for specialising the statistics keys
56	*/
57	public CounterObservableSUL(ObservableSUL<S, I, O> delegate, @Nullable String id) {
58	this(delegate, id, Statistics.getService());	2✔
59	}	2✔
60
61	protected CounterObservableSUL(ObservableSUL<S, I, O> delegate, @Nullable String id, StatisticsService statistics) {
62	super(delegate, id, statistics);	2✔
63	this.delegate = delegate;	2✔
64	}	2✔
65
66	@Override
67	public ObservableSUL<S, I, O> fork() {
68	return new CounterObservableSUL<>(this.delegate.fork(), super.id, super.statistics);	2✔
69	}
70
71	@Override
72	public S getState() {
NEW 73	return this.delegate.getState();	×
74	}
75
76	@Override
77	public boolean deepCopies() {
NEW 78	return this.delegate.deepCopies();	×
79	}
80	}

LearnLib / learnlib / 20198569605

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