SpecialFactory.cpp

/*
* Simpatico - Simulation Package for Polymeric and Molecular Liquids
*
* Copyright 2010 - 2017, The Regents of the University of Minnesota
* Distributed under the terms of the GNU General Public License.
*/

#include <mcMd/potentials/special/SpecialFactory.h>

#include <mcMd/simulation/System.h>
#include <mcMd/mdSimulation/MdSystem.h>
#include <mcMd/potentials/special/SpecialPotential.h>

#include <mcMd/potentials/special/SpecialExternal.h>



namespace McMd
{

   using namespace Util;
   using namespace Simp;

   SpecialFactory::SpecialFactory()
   {}

   /*
   * Add a subfactory to the list of children, and set communicator (if any).
   */
   void SpecialFactory::addSubfactory(SpecialFactory& subfactory)
   {  subfactories_.push_back(&subfactory); }

   /*
   * Return a pointer to a new SpecialPotential, if possible.
   */
   SpecialPotential* 
   SpecialFactory::mdFactory(const std::string& name, System& system) const
   {
      SpecialPotential* ptr = 0;
      MdSystem& mdsystem = dynamic_cast<MdSystem&>(system);

      // Try subfactories first
      ptr = tryMdSubfactories(name, system);
      if (ptr) return ptr;

      if (name == "SpecialExternal") {
         ptr = new SpecialExternal(mdsystem);
      }

      return ptr;
   }

   /*
   * Try all subfactories in sequence searching for a match.
   */
   SpecialPotential* 
   SpecialFactory::tryMdSubfactories(const std::string& className, System& system) const
   {
      SpecialPotential* typePtr = 0;
      int n = subfactories_.size();
      for (int i = 0; i < n && typePtr == 0; ++i) {
         typePtr = subfactories_[i]->mdFactory(className, system);
      }
      return typePtr;
   }

}