#pragma once
/////////////////////////////////////////////////////////////////////
// RepositoryBase.h - another application of Singleton Pattern     //
//                                                                 //
// Jim Fawcett, CSE776 - Design Patterns, Fall 2017                //
/////////////////////////////////////////////////////////////////////

#include <list>

namespace Singleton
{
  ///////////////////////////////////////////////////////////////////
  // RepositoryBase class
  // - template parameter T is type of data held in Repo list
  // - Lock is a locking policy

  template<typename T, typename Lock>
  class RepositoryBase
  {
  public:
    /*---< add item to Repo list >---------------------------------*/
    /*
    *  - adds can be chained
    */
    RepositoryBase<T, Lock>& add(T t)
    {
      Lock lock;
      repoList.push_back(t);
      return *this;
    }
    /*---< retrieve copy of Repo List >----------------------------*/

    std::list<T> getList()
    {
      Lock lock;
      return repoList;
    }
    /*---< set new Repo List >-------------------------------------*/

    void setList(const std::list<T>& list)
    {
      Lock lock;
      repoList = list;
    }
    /*---< virtual destructor makes this polymorphic type >--------*/

    virtual ~RepositoryBase<T, Lock>() {}
  private:
    std::list<T> repoList;
  };
}