DART  6.6.2
Aspect.hpp
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32 
33 #ifndef DART_COMMON_DETAIL_ASPECT_HPP_
34 #define DART_COMMON_DETAIL_ASPECT_HPP_
35 
36 #include <cassert>
37 
38 #include "dart/common/Console.hpp"
39 #include "dart/common/Aspect.hpp"
40 
41 namespace dart {
42 namespace common {
43 
44 //==============================================================================
45 template <class CompositeType>
47  : mComposite(nullptr) // This will be set later when the Composite calls setComposite
48 {
49  // Do nothing
50 }
51 
52 //==============================================================================
53 template <class CompositeType>
55 {
56  return mComposite;
57 }
58 
59 //==============================================================================
60 template <class CompositeType>
62 {
63  return mComposite;
64 }
65 
66 //==============================================================================
67 template <class CompositeType>
69 {
70  return (nullptr != mComposite);
71 }
72 
73 //==============================================================================
74 template <class CompositeType>
76 {
77  assert(nullptr == mComposite);
78 
79  mComposite = dynamic_cast<CompositeType*>(newComposite);
80  // Note: Derived classes should be responsible for handling the case in which
81  // the new composite type does not match the expected type. We should not
82  // assume here that it is an error.
83 }
84 
85 //==============================================================================
86 template <class CompositeType>
88  Composite* oldComposite)
89 {
90  DART_UNUSED(oldComposite);
91  assert(oldComposite == mComposite);
92  mComposite = nullptr;
93 }
94 
95 } // namespace common
96 } // namespace dart
97 
98 #endif // DART_COMMON_DETAIL_ASPECT_HPP_
#define DART_UNUSED(x)
Definition: StlHelpers.hpp:44
CompositeTrackingAspect()
Default constructor.
Definition: Aspect.hpp:46
void setComposite(Composite *newComposite) override
Grab the new Composite.
Definition: Aspect.hpp:75
CompositeType * getComposite()
Get the Composite of this Aspect.
Definition: Aspect.hpp:54
bool hasComposite() const
Returns true if this Aspect has a Composite that matches CompositeType.
Definition: Aspect.hpp:68
void loseComposite(Composite *oldComposite) override
Clear the old Composite.
Definition: Aspect.hpp:87
Composite is a base class that should be virtually inherited by any class that wants to be able to ma...
Definition: Composite.hpp:52
Definition: BulletCollisionDetector.cpp:63