source: src/Actions/Calculation_impl.hpp@ 6d6b54

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Last change on this file since 6d6b54 was 5b0b98, checked in by Tillmann Crueger <crueger@…>, 15 years ago

Switched type of pointer used for ActionStates
  • Property mode set to 100644
File size: 1.5 KB
Line 
1/*
2 * Calculation_impl.hpp
3 *
4 * Created on: Feb 19, 2010
5 * Author: crueger
6 */
7
8#ifndef CALCULATION_IMPL_HPP_
9#define CALCULATION_IMPL_HPP_
10
11#include "Actions/Calculation.hpp"
12
13#include <cassert>
14
15template<typename T>
16Calculation<T>::Calculation(int _maxSteps, std::string _name, bool _doRegister) :
17 Process(_maxSteps,_name,_doRegister),
18 result(0),
19 done(false)
20{}
21
22template<typename T>
23Calculation<T>::~Calculation()
24{
25 delete result;
26}
27
28// methods inherited from Action
29
30template<typename T>
31Action::state_ptr Calculation<T>::performCall(){
32 reset();
33 (*this)();
34 return Action::success;
35}
36
37template<typename T>
38Action::state_ptr Calculation<T>::performUndo(Action::state_ptr){
39 ASSERT(0,"Cannot undo a calculation");
40 return Action::success;
41}
42template<typename T>
43Action::state_ptr Calculation<T>::performRedo(Action::state_ptr){
44 ASSERT(0,"Cannot redo a calculation");
45 return Action::success;
46}
47
48template<typename T>
49bool Calculation<T>::canUndo()
50{
51 return false;
52}
53
54template<typename T>
55bool Calculation<T>::shouldUndo()
56{
57 return false;
58}
59
60// methods for calculation infrastructure
61
62template<typename T>
63T Calculation<T>::operator()(){
64 if(!done){
65 result = doCalc();
66 done = true;
67 }
68 return *result;
69}
70
71template<typename T>
72bool Calculation<T>::hasResult(){
73 return done;
74}
75
76template<typename T>
77T Calculation<T>::getResult(){
78 assert(done && "No result calculated");
79 return *result;
80}
81
82template<typename T>
83void Calculation<T>::reset(){
84 done = false;
85 delete result;
86 result = 0;
87}
88
89#endif /* CALCULATION_IMPL_HPP_ */
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