Package solver.constraints.nary.automata.structure

Source Code of solver.constraints.nary.automata.structure.AutomatonOperation

/**
*  Copyright (c) 1999-2014, Ecole des Mines de Nantes
*  All rights reserved.
*  Redistribution and use in source and binary forms, with or without
*  modification, are permitted provided that the following conditions are met:
*
*      * Redistributions of source code must retain the above copyright
*        notice, this list of conditions and the following disclaimer.
*      * Redistributions in binary form must reproduce the above copyright
*        notice, this list of conditions and the following disclaimer in the
*        documentation and/or other materials provided with the distribution.
*      * Neither the name of the Ecole des Mines de Nantes nor the
*        names of its contributors may be used to endorse or promote products
*        derived from this software without specific prior written permission.
*
*  THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ANY
*  EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
*  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
*  DISCLAIMED. IN NO EVENT SHALL THE REGENTS AND CONTRIBUTORS BE LIABLE FOR ANY
*  DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
*  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
*  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
*  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
*  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
*  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

package solver.constraints.nary.automata.structure;

import dk.brics.automaton.Automaton;
import dk.brics.automaton.State;
import dk.brics.automaton.Transition;
import solver.constraints.nary.automata.FA.FiniteAutomaton;

/**
* Created by IntelliJ IDEA.
* User: julien
* Mail: julien.menana{at}emn.fr
* Date: Dec 3, 2009
* Time: 4:26:07 PM
*/
public class AutomatonOperation {


    public static Automaton makeAcceptAllOfLength(int length, int[] alphabet) {
        Automaton auto = new Automaton();
        State start = new State();
        State tmp = start;
        State last = start;

        for (int i = 0; i < length; i++) {
            last = new State();
            for (int k : alphabet) {
                tmp.addTransition(new Transition(FiniteAutomaton.getCharFromInt(k), last));
            }
            tmp = last;

        }
        last.setAccept(true);
        auto.setInitialState(start);
        return auto;
    }


}
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