text: /***********************************************************************************************************************
   *  OpenStudio(R), Copyright (c) 2008-2017, Alliance for Sustainable Energy, LLC. All rights reserved.
   *
   *  Redistribution and use in source and binary forms, with or without modification, are permitted provided that the
   *  following conditions are met:
   *
   *  (1) Redistributions of source code must retain the above copyright notice, this list of conditions and the following
   *  disclaimer.
   *
   *  (2) Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the
   *  following disclaimer in the documentation and/or other materials provided with the distribution.
   *
   *  (3) Neither the name of the copyright holder nor the names of any contributors may be used to endorse or promote
   *  products derived from this software without specific prior written permission from the respective party.
   *
   *  (4) Other than as required in clauses (1) and (2), distributions in any form of modifications or other derivative
   *  works may not use the "OpenStudio" trademark, "OS", "os", or any other confusingly similar designation without
   *  specific prior written permission from Alliance for Sustainable Energy, LLC.
   *
   *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
   *  INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   *  DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER, THE UNITED STATES GOVERNMENT, OR ANY CONTRIBUTORS BE LIABLE FOR
   *  ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
   *  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
   *  AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   *  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   **********************************************************************************************************************/
  
  #include "../ReverseTranslator.hpp"
  
  #include "../../model/EnergyManagementSystemGlobalVariable.hpp"
  #include "../../model/EnergyManagementSystemGlobalVariable_Impl.hpp"
  
  #include "../../utilities/idf/WorkspaceExtensibleGroup.hpp"
  
  #include <utilities/idd/EnergyManagementSystem_GlobalVariable_FieldEnums.hxx>
  #include "../../utilities/idd/IddEnums.hpp"
  #include <utilities/idd/IddEnums.hxx>
  
  using namespace openstudio::model;
  
  namespace openstudio {
  
  namespace energyplus {
  
  OptionalModelObject ReverseTranslator::translateEnergyManagementSystemGlobalVariable(const WorkspaceObject & workspaceObject)
  {
    if (workspaceObject.iddObject().type() != IddObjectType::EnergyManagementSystem_GlobalVariable) {
      LOG(Error, "WorkspaceObject is not IddObjectType: EnergyManagementSystem_GlobalVariable");
      return boost::none;
    }
  
    if (workspaceObject.numExtensibleGroups() > 1) {
      LOG(Warn, "EnergyManagementSystem GlobalVariable has more than 1 value.");
    }
  
    OptionalModelObject result;
    for (const IdfExtensibleGroup& eg : workspaceObject.extensibleGroups()) {
      boost::optional<std::string> value = eg.getString(EnergyManagementSystem_GlobalVariableExtensibleFields::ErlVariableName);
      if (value) {
        openstudio::model::EnergyManagementSystemGlobalVariable emsGlobalVariable(m_model, value.get());
        if (!result) { 
          result = emsGlobalVariable;
        }
      }
    }
  
    return result;
  }
  
  } // energyplus
  
  } // openstudio
  
  