test_circular_dependency.hpp

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#ifndef _daq_core_test_circular_dependency_H_
#define _daq_core_test_circular_dependency_H_
 
namespace dunedaq {
namespace conffwk {
class DalObject;
}
}
 
namespace dunedaq::confmodel {
 
class TestCircularDependency
{
 
  friend class AddTestOnCircularDependency;
 
public:
  TestCircularDependency(const char* goal, const dunedaq::conffwk::DalObject* first_object)
    : p_goal(goal)
    , p_index(0)
  {
    p_objects[p_index++] = first_object;
  }
 
private:
  void push(const dunedaq::conffwk::DalObject* object);
 
  void pop() { p_index--; }

  enum
  {
    p_limit = 64
  };
 
  const char* p_goal;
  unsigned int p_index;
  const dunedaq::conffwk::DalObject* p_objects[p_limit];
};
 
class AddTestOnCircularDependency
{
 
public:
  AddTestOnCircularDependency(TestCircularDependency& fuse, const dunedaq::conffwk::DalObject* obj)
    : p_fuse(fuse)
  {
    p_fuse.push(obj);
  }
  ~AddTestOnCircularDependency() { p_fuse.pop(); }
 
private:
  TestCircularDependency& p_fuse;
};
} // dunedaq::confmodel
 
#endif