content: /*
   * Kodkod -- Copyright (c) 2005-present, Emina Torlak
   *
   * Permission is hereby granted, free of charge, to any person obtaining a copy
   * of this software and associated documentation files (the "Software"), to deal
   * in the Software without restriction, including without limitation the rights
   * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   * copies of the Software, and to permit persons to whom the Software is
   * furnished to do so, subject to the following conditions:
   *
   * The above copyright notice and this permission notice shall be included in
   * all copies or substantial portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
   * THE SOFTWARE.
   */
  package org.alloytools.solvers.natv.minisat;
  
  import kodkod.engine.satlab.NativeSolver;
  
  /**
   * Java wrapper for the MiniSat solver by Niklas E&eacute;n and Niklas
   * S&ouml;rensson.
   *
   * @author Emina Torlak
   */
  public final class MiniSat extends NativeSolver {
  
      /**
       * Constructs a new MiniSAT wrapper.
       */
      public MiniSat() {
          super(NativeSolver.make("MiniSat", MiniSat::make));
      }
  
      /**
       * {@inheritDoc}
       *
       * @see java.lang.Object#toString()
       */
      @Override
      public String toString() {
          return "MiniSat";
      }
  
      /**
       * Returns a pointer to an instance of MiniSAT.
       *
       * @return a pointer to an instance of minisat.
       */
      private static native long make();
  
      /**
       * {@inheritDoc}
       *
       * @see kodkod.engine.satlab.NativeSolver#free(long)
       */
      @Override
      public native void free(long peer);
  
      /**
       * {@inheritDoc}
       *
       * @see kodkod.engine.satlab.NativeSolver#addVariables(long, int)
       */
      @Override
      public native void addVariables(long peer, int numVariables);
  
      /**
       * {@inheritDoc}
       *
       * @see kodkod.engine.satlab.NativeSolver#addClause(long, int[])
       */
      @Override
      public native boolean addClause(long peer, int[] lits);
  
      /**
       * {@inheritDoc}
       *
       * @see kodkod.engine.satlab.NativeSolver#solve(long)
       */
      @Override
      public native boolean solve(long peer);
  
      /**
       * {@inheritDoc}
       *
       * @see kodkod.engine.satlab.NativeSolver#valueOf(long, int)
       */
      @Override
      public native boolean valueOf(long peer, int literal);
  }
  