MueLu_NoFactory.hpp

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#ifndef MUELU_NOFACTORY_HPP
#define MUELU_NOFACTORY_HPP

#include <algorithm>                    // for swap
#include "Teuchos_RCPDecl.hpp"          // for RCP
#include "Teuchos_RCP.hpp"              // for RCP::RCP<T>, RCP::operator=, etc
#include "MueLu_config.hpp"             // for HAVE_MUELU_DEBUG
#include "MueLu_Exceptions.hpp"
#include "MueLu_FactoryBase.hpp"
#include "MueLu_Level_fwd.hpp"

namespace MueLu {

  class NoFactory : public FactoryBase {

    NoFactory() { }

  public:

    virtual ~NoFactory() { }



    void CallBuild(Level& requestedLevel) const;

    void CallDeclareInput(Level& /* requestedLevel */) const { }




    static const RCP<const NoFactory> getRCP() {
      if (noFactory_.is_null())
        noFactory_ = rcp(new NoFactory());

      return noFactory_;
    }

    static const NoFactory* get();

#ifdef HAVE_MUELU_DEBUG
    void ResetDebugData() const { }
#endif

  private:
    static RCP<const NoFactory> noFactory_; // static NoFactory instance for user defined "factories"

  }; // class NoFactory

} // namespace MueLu

#endif // MUELU_NOFACTORY_HPP