Last change
on this file since 36 was 31, checked in by sgosseli, 12 years ago |
Huge commit: use the new includes style in all the files, add the license header in all the headers, and in some cpp.
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File size:
1.4 KB
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[31] | 1 | /**
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| 2 | *
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| 3 | * Distributed under the UTC Heudiascy Pacpus License, Version 1.0.
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| 4 | * Copyright (c) UTC Heudiasyc 2010 - 2013. All rights reserved.
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| 5 | *
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| 6 | * See the LICENSE file for more information or a copy at:
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| 7 | * http://www.hds.utc.fr/~kurdejma/LICENSE_1_0.txt
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| 8 | *
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| 9 | */
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| 10 |
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| 11 | #ifndef DEF_PACPUS_GENERIC_OBSERVER_INTERFACE_H
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| 12 | #define DEF_PACPUS_GENERIC_OBSERVER_INTERFACE_H
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[3] | 13 |
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| 14 | namespace pacpus {
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| 15 |
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| 16 | /** Base class for te GenericObserverInterface template.
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| 17 |
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| 18 | The purpose of this class is to be able to take generic pointers on
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| 19 | GenericObserverInterface<T> class template instances.
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| 20 | */
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| 21 | class GenericObserverBase {
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| 22 | public:
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| 23 | virtual ~GenericObserverBase() {}
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| 24 | };
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| 25 |
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| 26 | /** Template interface for generic observers.
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| 27 |
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| 28 | This is a pure virtual class that should be used as a base to classes
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| 29 | wishing to receive notifications from GenericObservable classes.
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| 30 | */
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| 31 | template <typename T>
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| 32 | class GenericObserverInterface : public GenericObserverBase {
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| 33 | public:
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| 34 | virtual ~GenericObserverInterface() {};
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| 35 |
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| 36 | /** Update function.
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| 37 |
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| 38 | This function is called each time the observables notifies its observers
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| 39 | of a change. It must be implemented by all classes obeying the
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| 40 | GenericObserverInterface interface.
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| 41 |
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| 42 | @param observable is a pointer to the observed object that was updated.
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| 43 | */
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| 44 | virtual void update(T* observable) = 0;
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| 45 | };
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| 46 |
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| 47 | } // namespace pacpus
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| 48 |
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| 49 |
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[31] | 50 | #endif // DEF_PACPUS_GENERIC_OBSERVER_INTERFACE_H |
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