Candidate_v1.7.0
stable
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Last change
on this file since 399c69 was fa437c, checked in by Michael Ankele <ankele@…>, 13 years ago |
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made ChangeTracker::hasChanged() public
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-
Property mode
set to
100644
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File size:
850 bytes
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| [6bc51d] | 1 | /*
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| 2 | * ChangeTracker.hpp
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| 3 | *
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| 4 | * Created on: Mar 1, 2010
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| 5 | * Author: metzler
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| 6 | */
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| 7 |
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| 8 | #ifndef CHANGETRACKER_HPP_
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| 9 | #define CHANGETRACKER_HPP_
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| 10 |
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| [56f73b] | 11 | // include config.h
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| 12 | #ifdef HAVE_CONFIG_H
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| 13 | #include <config.h>
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| 14 | #endif
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| 15 |
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| 16 |
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| [006e1e] | 17 | #include "CodePatterns/Observer/Observable.hpp"
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| 18 | #include "CodePatterns/Singleton.hpp"
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| [6bc51d] | 19 |
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| 20 | /**
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| 21 | * Observes the world and notifies subscribers via saveStatus if there are
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| 22 | * changes to it.
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| 23 | */
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| [2f40c0e] | 24 | class ChangeTracker : public Singleton<ChangeTracker>, public Observable {
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| 25 | friend class Singleton<ChangeTracker>;
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| [6bc51d] | 26 | public:
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| 27 | void saveStatus();
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| 28 | static ChangeTracker* get();
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| 29 | static void destroy();
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| 30 |
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| 31 | protected:
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| 32 | void update(Observable *publisher);
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| [fa437c] | 33 |
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| 34 | public:
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| [6bc51d] | 35 | bool hasChanged();
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| 36 |
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| 37 | private:
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| 38 | bool isConsistent;
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| [2f40c0e] | 39 |
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| 40 | // private constructor and destructor due to singleton
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| [6bc51d] | 41 | ChangeTracker();
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| [68c923] | 42 | virtual ~ChangeTracker();
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| [6bc51d] | 43 | };
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| 44 |
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| 45 | #endif /* CHANGETRACKER_HPP_ */
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