source: src/Actions/ActionState.hpp@ 7672284

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Last change on this file since 7672284 was b5b01e, checked in by Frederik Heber <heber@…>, 11 years ago

ActionState extracted into own header file, rename Action::state_ptr -> ActionState::ptr.

  • Property mode set to 100644
File size: 787 bytes
Line 
1/*
2 * ActionState.hpp
3 *
4 * Created on: Aug 19, 2013
5 * Author: heber
6 */
7
8#ifndef ACTIONSTATE_HPP_
9#define ACTIONSTATE_HPP_
10
11// include config.h
12#ifdef HAVE_CONFIG_H
13#include <config.h>
14#endif
15
16#include <boost/shared_ptr.hpp>
17
18namespace MoleCuilder {
19
20/**
21 * This class can be used by actions to save the state.
22 *
23 * It is implementing a memento pattern. The base class is completely empty,
24 * since no general state internals can be given. The Action performing
25 * the Undo should downcast to the appropriate type.
26 */
27class ActionState{
28public:
29 /**
30 * This type is used to store pointers to ActionStates while allowing multiple ownership
31 */
32 typedef boost::shared_ptr<ActionState> ptr;
33
34 ActionState(){}
35 virtual ~ActionState(){}
36};
37
38}
39
40#endif /* ACTIONSTATE_HPP_ */
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