ConnectionBody.hpp

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#ifndef DART_COMMON_DETAIL_CONNECTIONBODY_HPP_
#define DART_COMMON_DETAIL_CONNECTIONBODY_HPP_
 
#include <memory>
 
namespace dart {
namespace common {
 
namespace signal {
namespace detail {
 
class ConnectionBodyBase
{
public:
  ConnectionBodyBase();
 
  virtual ~ConnectionBodyBase();
 
  void disconnect();
 
  bool isConnected() const;
 
protected:
  bool mIsConnected;
};
 
template <typename SlotType>
class ConnectionBody : public ConnectionBodyBase
{
public:
  ConnectionBody(const SlotType& _slot);
 
  ConnectionBody(SlotType&& _slot);
 
  virtual ~ConnectionBody();
 
  const SlotType& getSlot();
 
private:
  SlotType mSlot;
};
 
//==============================================================================
template <typename SlotType>
ConnectionBody<SlotType>::ConnectionBody(const SlotType& _slot)
  : ConnectionBodyBase(), mSlot(_slot)
{
  // Do nothing
}
 
//==============================================================================
template <typename SlotType>
ConnectionBody<SlotType>::ConnectionBody(SlotType&& _slot)
  : ConnectionBodyBase(), mSlot(std::forward<SlotType>(_slot))
{
  // Do nothing
}
 
//==============================================================================
template <typename SlotType>
ConnectionBody<SlotType>::~ConnectionBody()
{
  // Do nothing
}
 
//==============================================================================
template <typename SlotType>
const SlotType& ConnectionBody<SlotType>::getSlot()
{
  return mSlot;
}
 
template <typename T>
struct DefaultCombiner
{
  typedef T result_type;
 
  template <typename InputIterator>
  static T process(InputIterator first, InputIterator last)
  {
    // If there are no slots to call, just return the
    // default-constructed value
    if (first == last)
      return T();
 
    return *(--last);
  }
};
 
}  // namespace detail
}  // namespace signal
 
}  // namespace common
}  // namespace dart
 
#endif  // DART_COMMON_DETAIL_CONNECTIONBODY_HPP_