13138848026

Committed 04 Feb 2025 02:53PM UTC coverage: 92.108% (+2.2%) from 89.877%

Build # 13138848026

Build Type

push

github

Committed by

mtf90

Commit Message

[maven-release-plugin] prepare release automatalib-0.12.0

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96.67

/core/src/main/java/net/automatalib/automaton/base/AbstractFastMutable.java

/* Copyright (C) 2013-2025 TU Dortmund University
 * This file is part of AutomataLib <https://automatalib.net>.
 *
 * 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 net.automatalib.automaton.base;

import java.util.Collection;

import net.automatalib.alphabet.Alphabet;
import net.automatalib.alphabet.SupportsGrowingAlphabet;
import net.automatalib.automaton.ShrinkableAutomaton;
import net.automatalib.automaton.UniversalFiniteAlphabetAutomaton;
import net.automatalib.automaton.concept.StateIDs;
import net.automatalib.automaton.concept.StateLocalInput;
import net.automatalib.common.util.mapping.ArrayMapping;
import net.automatalib.common.util.mapping.MutableMapping;
import net.automatalib.common.util.nid.DynamicList;
import net.automatalib.common.util.nid.IDChangeNotifier;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * Shared functionality for (non-) deterministic mutable automata.
 */
public abstract class AbstractFastMutable<S extends AbstractFastState<?>, I, T, SP, TP>
        implements ShrinkableAutomaton<S, I, T, SP, TP>,
                   UniversalFiniteAlphabetAutomaton<S, I, T, SP, TP>,
                   StateIDs<S>,
                   SupportsGrowingAlphabet<I>,
                   StateLocalInput<S, I> {

    protected final Alphabet<I> inputAlphabet;
    private final DynamicList<S> states = new DynamicList<>();
    private final IDChangeNotifier<S> tracker = new IDChangeNotifier<>();

    public AbstractFastMutable(Alphabet<I> inputAlphabet) {
        this.inputAlphabet = inputAlphabet;
    }

    @Override
    public int getStateId(S state) {
        return state.getId();
    }

    @Override
    public S getState(int id) {
        return states.get(id);
    }

    @Override
    public S addState(@Nullable SP property) {
        S newState = createState(property);
        states.add(newState);
        return newState;
    }

    @Override
    public void removeAllTransitions(S state) {
        state.clearTransitionObjects();
    }

    protected abstract S createState(@Nullable SP property);

    @Override
    public void removeState(S state, @Nullable S replacement) {
        ShrinkableAutomaton.unlinkState(this, state, replacement, inputAlphabet);
        states.remove(state, tracker);
    }

    @Override
    public void clear() {
        states.clear();
    }

    @Override
    public Alphabet<I> getInputAlphabet() {
        return inputAlphabet;
    }

    @Override
    public <V> MutableMapping<S, V> createDynamicStateMapping() {
        final ArrayMapping<S, V> mapping = new ArrayMapping<>(size());
        tracker.addListener(mapping, true);
        return mapping;
    }

    @Override
    public void addAlphabetSymbol(I symbol) {

        if (!this.inputAlphabet.containsSymbol(symbol)) {
            this.inputAlphabet.asGrowingAlphabetOrThrowException().addSymbol(symbol);
        }

        // even if the symbol was already in the alphabet, we need to make sure to be able to store the new symbol
        final int newAlphabetSize = this.inputAlphabet.size();

        for (S s : this.getStates()) {
            s.ensureInputCapacity(newAlphabetSize);
        }
    }

    @Override
    public Collection<S> getStates() {
        return states;
    }

    @Override
    public StateIDs<S> stateIDs() {
        return this;
    }

}

1	/* Copyright (C) 2013-2025 TU Dortmund University
2	* This file is part of AutomataLib <https://automatalib.net>.
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 net.automatalib.automaton.base;
17
18	import java.util.Collection;
19
20	import net.automatalib.alphabet.Alphabet;
21	import net.automatalib.alphabet.SupportsGrowingAlphabet;
22	import net.automatalib.automaton.ShrinkableAutomaton;
23	import net.automatalib.automaton.UniversalFiniteAlphabetAutomaton;
24	import net.automatalib.automaton.concept.StateIDs;
25	import net.automatalib.automaton.concept.StateLocalInput;
26	import net.automatalib.common.util.mapping.ArrayMapping;
27	import net.automatalib.common.util.mapping.MutableMapping;
28	import net.automatalib.common.util.nid.DynamicList;
29	import net.automatalib.common.util.nid.IDChangeNotifier;
30	import org.checkerframework.checker.nullness.qual.Nullable;
31
32	/**
33	* Shared functionality for (non-) deterministic mutable automata.
34	*/
35	public abstract class AbstractFastMutable<S extends AbstractFastState<?>, I, T, SP, TP>
36	implements ShrinkableAutomaton<S, I, T, SP, TP>,
37	UniversalFiniteAlphabetAutomaton<S, I, T, SP, TP>,
38	StateIDs<S>,
39	SupportsGrowingAlphabet<I>,
40	StateLocalInput<S, I> {
41
42	protected final Alphabet<I> inputAlphabet;
43	private final DynamicList<S> states = new DynamicList<>();	2✔
44	private final IDChangeNotifier<S> tracker = new IDChangeNotifier<>();	2✔
45
46	public AbstractFastMutable(Alphabet<I> inputAlphabet) {	2✔
47	this.inputAlphabet = inputAlphabet;	2✔
48	}	2✔
49
50	@Override
51	public int getStateId(S state) {
52	return state.getId();	2✔
53	}
54
55	@Override
56	public S getState(int id) {
57	return states.get(id);	2✔
58	}
59
60	@Override
61	public S addState(@Nullable SP property) {
62	S newState = createState(property);	2✔
63	states.add(newState);	2✔
64	return newState;	2✔
65	}
66
67	@Override
68	public void removeAllTransitions(S state) {
69	state.clearTransitionObjects();	2✔
70	}	2✔
71
72	protected abstract S createState(@Nullable SP property);
73
74	@Override
75	public void removeState(S state, @Nullable S replacement) {
76	ShrinkableAutomaton.unlinkState(this, state, replacement, inputAlphabet);	2✔
77	states.remove(state, tracker);	2✔
78	}	2✔
79
80	@Override
81	public void clear() {
82	states.clear();	2✔
83	}	2✔
84
85	@Override
86	public Alphabet<I> getInputAlphabet() {
87	return inputAlphabet;	2✔
88	}
89
90	@Override
91	public <V> MutableMapping<S, V> createDynamicStateMapping() {
92	final ArrayMapping<S, V> mapping = new ArrayMapping<>(size());	2✔
93	tracker.addListener(mapping, true);	2✔
94	return mapping;	2✔
95	}
96
97	@Override
98	public void addAlphabetSymbol(I symbol) {
99
100	if (!this.inputAlphabet.containsSymbol(symbol)) {	2✔
101	this.inputAlphabet.asGrowingAlphabetOrThrowException().addSymbol(symbol);	×
102	}
103
104	// even if the symbol was already in the alphabet, we need to make sure to be able to store the new symbol
105	final int newAlphabetSize = this.inputAlphabet.size();	2✔
106
107	for (S s : this.getStates()) {	2✔
108	s.ensureInputCapacity(newAlphabetSize);	2✔
109	}	2✔
110	}	2✔
111
112	@Override
113	public Collection<S> getStates() {
114	return states;	2✔
115	}
116
117	@Override
118	public StateIDs<S> stateIDs() {
119	return this;	2✔
120	}
121
122	}

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