Aspect.hpp

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#ifndef DART_COMMON_DETAIL_ASPECT_HPP_
#define DART_COMMON_DETAIL_ASPECT_HPP_
 
#include <cassert>
 
#include "dart/common/Console.hpp"
#include "dart/common/Aspect.hpp"
 
namespace dart {
namespace common {
 
//==============================================================================
template <class CompositeType>
CompositeTrackingAspect<CompositeType>::CompositeTrackingAspect()
  : mComposite(nullptr) // This will be set later when the Composite calls setComposite
{
  // Do nothing
}
 
//==============================================================================
template <class CompositeType>
CompositeType* CompositeTrackingAspect<CompositeType>::getComposite()
{
  return mComposite;
}
 
//==============================================================================
template <class CompositeType>
const CompositeType* CompositeTrackingAspect<CompositeType>::getComposite() const
{
  return mComposite;
}
 
//==============================================================================
template <class CompositeType>
bool CompositeTrackingAspect<CompositeType>::hasComposite() const
{
  return (nullptr != mComposite);
}
 
//==============================================================================
template <class CompositeType>
void CompositeTrackingAspect<CompositeType>::setComposite(Composite* newComposite)
{
  assert(nullptr == mComposite);
 
  mComposite = dynamic_cast<CompositeType*>(newComposite);
  // Note: Derived classes should be responsible for handling the case in which
  // the new composite type does not match the expected type. We should not
  // assume here that it is an error.
}
 
//==============================================================================
template <class CompositeType>
void CompositeTrackingAspect<CompositeType>::loseComposite(
    Composite* oldComposite)
{
  DART_UNUSED(oldComposite);
  assert(oldComposite == mComposite);
  mComposite = nullptr;
}
 
} // namespace common
} // namespace dart
 
#endif // DART_COMMON_DETAIL_ASPECT_HPP_