content: /* 
   * Kodkod -- Copyright (c) 2005-present, Emina Torlak
   * Pardinus -- Copyright (c) 2013-present, Nuno Macedo, INESC TEC
   *
   * 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 kodkod.engine;
  
  import kodkod.ast.Formula;
  import kodkod.engine.config.UnboundedOptions;
  import kodkod.engine.unbounded.InvalidUnboundedProblem;
  import kodkod.engine.unbounded.InvalidUnboundedSolution;
  import kodkod.instance.PardinusBounds;
  
  /**
   * An interface for unbounded relational constraint solvers. Pardinus
   * {@link bounds PardinusBounds} are expected, as these contain information
   * regarding unbounded problems. Options are required to specify unbounded
   * configurations.
   * 
   * @author Nuno Macedo // [HASLab] model finding hierarchy
   *
   * @param <O>
   *            the class of options required by a concrete solver, which should
   *            at least consider unbounded configurations
   *
   */
  public interface UnboundedSolver<O extends UnboundedOptions> extends
  		TemporalSolver<O> {
  
  	/**
  	 * {@inheritDoc}
  	 * 
  	 * @throws InvalidUnboundedProblem
  	 *             if the problem is not supported by the unbounded solver.
  	 * @throws InvalidUnboundedSolution
  	 *             if the solver's output failed to be parsed.
  	 * @throws AbortedException
  	 *             if the solving process aborted.
  	 */
  	@Override
  	public Solution solve(Formula formula, PardinusBounds bounds)
  			throws InvalidUnboundedProblem, InvalidUnboundedSolution,
  			AbortedException;
  
  }
  