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/*
 * Copyright (c) 2002 - 2006 IBM Corporation.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 */
package com.ibm.wala.fixpoint;

import com.ibm.wala.util.CancelException;
import com.ibm.wala.util.MonitorUtil.IProgressMonitor;

/** Solves a set of constraints */
public interface IFixedPointSolver> {

  /**
   * @return the set of statements solved by this {@code IFixedPointSolver}
   */
  IFixedPointSystem getFixedPointSystem();

  /**
   * Solve the problem.
   *
   * PRECONDITION: graph is set up
   *
   * @return true iff the evaluation of some constraint caused a change in the value of some
   *     variable.
   */
  boolean solve(IProgressMonitor monitor) throws CancelException;
}