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/* | 
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 * Copyright (c) 2005 The University of Notre Dame. All Rights Reserved. | 
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 * | 
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 * The University of Notre Dame grants you ("Licensee") a | 
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 * non-exclusive, royalty free, license to use, modify and | 
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 * redistribute this software in source and binary code form, provided | 
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 * that the following conditions are met: | 
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 * | 
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 * 1. Redistributions of source code must retain the above copyright | 
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 *    notice, this list of conditions and the following disclaimer. | 
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 * | 
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 * 2. Redistributions in binary form must reproduce the above copyright | 
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 *    notice, this list of conditions and the following disclaimer in the | 
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 *    documentation and/or other materials provided with the | 
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 *    distribution. | 
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 * | 
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 * This software is provided "AS IS," without a warranty of any | 
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 * kind. All express or implied conditions, representations and | 
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 * warranties, including any implied warranty of merchantability, | 
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 * fitness for a particular purpose or non-infringement, are hereby | 
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 * excluded.  The University of Notre Dame and its licensors shall not | 
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 * be liable for any damages suffered by licensee as a result of | 
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 * using, modifying or distributing the software or its | 
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 * derivatives. In no event will the University of Notre Dame or its | 
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 * licensors be liable for any lost revenue, profit or data, or for | 
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 * direct, indirect, special, consequential, incidental or punitive | 
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 * damages, however caused and regardless of the theory of liability, | 
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 * arising out of the use of or inability to use software, even if the | 
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 * University of Notre Dame has been advised of the possibility of | 
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 * such damages. | 
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 * | 
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 * SUPPORT OPEN SCIENCE!  If you use OpenMD or its source code in your | 
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 * research, please cite the appropriate papers when you publish your | 
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 * work.  Good starting points are: | 
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 *                                                                       | 
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 * [1]  Meineke, et al., J. Comp. Chem. 26, 252-271 (2005).              | 
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 * [2]  Fennell & Gezelter, J. Chem. Phys. 124, 234104 (2006).           | 
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 * [3]  Sun, Lin & Gezelter, J. Chem. Phys. 128, 24107 (2008).           | 
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 * [4]  Kuang & Gezelter,  J. Chem. Phys. 133, 164101 (2010). | 
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 * [5]  Vardeman, Stocker & Gezelter, J. Chem. Theory Comput. 7, 834 (2011). | 
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 */ | 
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  | 
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#ifndef OPTIMIZATION_OPTIMIZATIONFACTORY_HPP | 
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#define OPTIMIZATION_OPTIMIZATIONFACTORY_HPP | 
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#include <cassert> | 
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#include <map> | 
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#include <string> | 
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#include <vector> | 
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#include <iostream> | 
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#include "optimization/Method.hpp" | 
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 | 
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using namespace QuantLib; | 
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namespace OpenMD { | 
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 | 
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  //forward declaration | 
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  class OptimizationCreator; | 
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  class SimInfo; | 
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  /** | 
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   * @class OptimizationFactory | 
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   * Factory pattern and Singleton Pattern are used to define an interface for creating an Optimization. | 
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   */ | 
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  class OptimizationFactory { | 
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  public: | 
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                 | 
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    typedef std::map<std::string, OptimizationCreator*> CreatorMapType; | 
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    typedef std::vector<std::string> IdentVectorType; | 
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    typedef std::vector<std::string>::iterator IdentVectorIterator; | 
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 | 
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    ~OptimizationFactory(); | 
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                     | 
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    /** | 
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     * Returns an instance of Optimization factory | 
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     * @return an instance of Optimization factory | 
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     */         | 
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    static OptimizationFactory* getInstance() { | 
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      if (instance_ == NULL) { | 
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        instance_ = new OptimizationFactory(); | 
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      } | 
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      return instance_; | 
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             | 
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    } | 
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 | 
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    /** | 
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     * Registers a creator with a type identifier | 
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     * @return true if registration is succeed, otherwise return false | 
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     * @param creator the object responsible to create the concrete object  | 
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     */ | 
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    bool registerOptimization(OptimizationCreator* creator); | 
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    /** | 
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     * Unregisters the creator for the given type identifier. If the type identifier  | 
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     * was previously registered, the function returns true. | 
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     * @return truethe type identifier was previously registered and the creator is removed, | 
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     * otherwise return false | 
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     * @param id the identification of the concrete object | 
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     */ | 
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    bool unregisterOptimization(const std::string& id); | 
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    /** | 
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     * Looks up the type identifier in the internal map. If it is found, it invokes the | 
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     * corresponding creator for the type identifier and returns its result.  | 
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     * @return a pointer of the concrete object, return NULL if no creator is registed for  | 
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     * creating this concrete object | 
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     * @param id the identification of the concrete object | 
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     * @param info pointer to the SimInfo object | 
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     */ | 
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    QuantLib::OptimizationMethod* createOptimization(const std::string& id, SimInfo* info); | 
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 | 
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    /**  | 
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     *  Returns all of the registed  type identifiers | 
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     * @return all of the registed  type identifiers | 
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     */ | 
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    IdentVectorType getIdents(); | 
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         | 
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  private: | 
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    OptimizationFactory() {} | 
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         | 
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    static OptimizationFactory* instance_; | 
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    CreatorMapType creatorMap_; | 
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  }; | 
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 | 
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  /** write out all of the type identifiers to an output stream */ | 
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  std::ostream& operator <<(std::ostream& o, OptimizationFactory& factory); | 
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}//namespace OpenMD | 
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#endif //OPTIMIZATIONS_OPTIMIZATIONFACTORY_HPP | 
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