| 32 |  | */ | 
| 33 |  | #ifndef BRAINS_SNAPSHOTMANAGER_HPP | 
| 34 |  | #define BRAINS_SNAPSHOTMANAGER_HPP | 
| 35 | + |  | 
| 36 | + | #include "brains/Snapshot.hpp" | 
| 37 | + |  | 
| 38 |  | namespace oopse{ | 
| 39 |  |  | 
| 40 |  | /** | 
| 41 |  | * @class SnapshotManager SnapshotManager.hpp "brains/SnapshotManager.hpp" | 
| 42 | < | * @brief | 
| 42 | > | * @brief SnapshotManager class is an abstract class which maintains | 
| 43 | > | * a series of snapshots. | 
| 44 | > | * | 
| 45 | > | * @see SimSnapshotManager | 
| 46 | > | * @see PropSnapshotManager | 
| 47 |  | */ | 
| 48 |  | class SnapshotManager { | 
| 49 |  | public: | 
| 50 | + | SnapshotManager() : currentSnapshot_(NULL), previousSnapshot_(NULL) { | 
| 51 | + | } | 
| 52 | + | virtual ~SnapshotManager(); | 
| 53 | + | virtual bool advance() = 0; | 
| 54 |  |  | 
| 55 | < | bool forward(); | 
| 55 | > | virtual Snapshot* getSnapshot(int id) = 0; | 
| 56 |  |  | 
| 57 | < | bool backward(); | 
| 57 | > | /** | 
| 58 | > | * Returns the pointer of previous snapshot | 
| 59 | > | * @return the pointer of previous snapshot | 
| 60 | > | */ | 
| 61 | > | Snapshot* getPrevSnapshot() { | 
| 62 | > | return previousSnapshot_; | 
| 63 | > | } | 
| 64 |  |  | 
| 65 | < | bool move(int ); | 
| 65 | > | /** | 
| 66 | > | * Returns the pointer of current snapshot | 
| 67 | > | * @return the pointer of current snapshot | 
| 68 | > | */ | 
| 69 | > | Snapshot* getCurrentSnapshot() { | 
| 70 | > | return currentSnapshot_; | 
| 71 | > | } | 
| 72 | > |  | 
| 73 | > | int getCapacity(); | 
| 74 |  |  | 
| 75 | < | getActiveFrame(); | 
| 75 | > | virtual void setCapacity(int capacity); | 
| 76 |  |  | 
| 77 | < | setActiveFrame(); | 
| 77 | > | bool getNotifyStatus(); | 
| 78 |  |  | 
| 79 | < | int getCapacity(); | 
| 79 | > | void setNotifyStatus(bool status); | 
| 80 |  |  | 
| 81 | < | void setCapacity(); | 
| 81 | > | void attach(SnapshotObserver*); | 
| 82 | > |  | 
| 83 | > | void detach(SnapshotObserver*); | 
| 84 | > |  | 
| 85 | > | void notify(); | 
| 86 | > |  | 
| 87 | > | protected: | 
| 88 | > | Snapshot* currentSnapshot_; | 
| 89 | > | Snapshot* previousSnapshot_; | 
| 90 | > |  | 
| 91 |  | private: | 
| 92 | < | vector<Snapshot*> snapshots_; | 
| 92 | > | vector<SnapshotObserver*> observers_; | 
| 93 | > |  | 
| 94 |  | }; | 
| 95 |  |  | 
| 96 |  | } |