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78 /// |
78 /// |
79 /// Default constructor for ObserverBase. |
79 /// Default constructor for ObserverBase. |
80 /// |
80 /// |
81 ObserverBase() : registry(0) {} |
81 ObserverBase() : registry(0) {} |
82 |
82 |
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83 ObserverBase(const ObserverBase& copy) { |
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84 if (copy.attached()) { |
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85 copy.getRegistry()->attach(*this); |
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86 } |
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87 } |
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88 |
83 virtual ~ObserverBase() {} |
89 virtual ~ObserverBase() {} |
84 |
90 |
85 /// \brief Attaches the observer into an AlterationNotifier. |
91 /// \brief Attaches the observer into an AlterationNotifier. |
86 /// |
92 /// |
87 /// This member attaches the observer into an AlterationNotifier. |
93 /// This member attaches the observer into an AlterationNotifier. |
109 /// |
115 /// |
110 Registry* getRegistry() const { return const_cast<Registry*>(registry); } |
116 Registry* getRegistry() const { return const_cast<Registry*>(registry); } |
111 |
117 |
112 /// Gives back true when the observer is attached into a registry. |
118 /// Gives back true when the observer is attached into a registry. |
113 bool attached() const { return registry != 0; } |
119 bool attached() const { return registry != 0; } |
114 |
120 |
115 private: |
121 private: |
116 |
122 |
117 ObserverBase(const ObserverBase& copy); |
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118 ObserverBase& operator=(const ObserverBase& copy); |
123 ObserverBase& operator=(const ObserverBase& copy); |
119 |
124 |
120 protected: |
125 protected: |
121 |
126 |
122 Registry* registry; |
127 Registry* registry; |