source: src/UIElements/Qt4/InstanceBoard/ObservedValuesContainer_impl.hpp@ 41e287

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Last change on this file since 41e287 was 41e287, checked in by Frederik Heber <heber@…>, 9 years ago

Extracted functions handling refcounting of ObservedValues into ObservedValuesContainer.

  • this avoids a lot of code duplication.
  • Property mode set to 100644
File size: 4.2 KB
Line 
1/*
2 * ObservedValuesContainer_impl.hpp
3 *
4 * Created on: Oct 29, 2015
5 * Author: heber
6 */
7
8
9#ifndef OBSERVEDVALUESCONTAINER_IMPL_HPP_
10#define OBSERVEDVALUESCONTAINER_IMPL_HPP_
11
12// include config.h
13#ifdef HAVE_CONFIG_H
14#include <config.h>
15#endif
16
17#include "ObservedValuesContainer.hpp"
18
19#include "CodePatterns/Assert.hpp"
20
21template <class T, typename id>
22typename T::ptr ObservedValuesContainer<T,id>::get(const id _id)
23{
24 typename CountedObservedValues_t::iterator iter = ObservedValues.find(_id);
25 ASSERT( iter != ObservedValues.end(),
26 "ObservedValuesContainer::getObservedValues() - no observed values present for "
27 +NameOfType+" "+toString(_id));
28 const ObservedValues_t &obsvalues = iter->second.first;
29 // increase refcount
30 ++(iter->second.second);
31 typename T::ptr _molecule(new T(obsvalues));
32
33 return _molecule;
34}
35
36template <class T, typename id>
37void ObservedValuesContainer<T,id>::yield(const id _id)
38{
39 typename CountedObservedValues_t::iterator iter = ObservedValues.find(_id);
40 ASSERT( iter != ObservedValues.end(),
41 "ObservedValuesContainer::returnObservedAtom() - no observed values present for "
42 +NameOfType+" "+toString(_id));
43 ASSERT( iter->second.second != 0,
44 "ObservedValuesContainer::returnObservedAtom() - all instances for "
45 +NameOfType+" "+toString(_id)+" have already been returned.");
46 // decrease refcount
47 --(iter->second.second);
48 if (iter->second.second == 0) {
49 // free instance
50 }
51}
52
53template <class T, typename id>
54ObservedValues_t ObservedValuesContainer<T,id>::getObservedValues(const id _id)
55{
56 ObservedValues_t returnvalues;
57 typename CountedObservedValues_t::iterator iter = ObservedValues.find(_id);
58 ASSERT(iter != ObservedValues.end(),
59 "ObservedValuesContainer::getObservedValues() - "+NameOfType
60 +" values not present for id "+toString(_id));
61 if (iter->first == _id) {
62 returnvalues = iter->second.first;
63 ObservedValues.erase(iter);
64 }
65 return returnvalues;
66}
67
68template <class T, typename id>
69void ObservedValuesContainer<T,id>::returnObservedValues(
70 const id _id,
71 ObservedValues_t &_observedvalues)
72{
73#ifndef NDEBUG
74 std::pair<typename CountedObservedValues_t::iterator, bool> inserter =
75#endif
76 ObservedValues.insert(
77 std::make_pair( _id, std::make_pair(_observedvalues,0) ) );
78 ASSERT( inserter.second,
79 "QtObservedInstanceBoard::returnAtomObservedValues() - could not insert ObservedValues for"
80 +toString(_id)+".");
81}
82
83template <class T, typename id>
84bool ObservedValuesContainer<T,id>::insert(const id _id, ObservedValues_t &_obsvalues)
85{
86 std::pair<typename CountedObservedValues_t::iterator, bool> inserter =
87 ObservedValues.insert(
88 std::make_pair( _id, std::make_pair(_obsvalues,0) ) );
89 return inserter.second;
90}
91
92template <class T, typename id>
93bool ObservedValuesContainer<T,id>::changeIdentifier(const id _oldid, const id _newid)
94{
95 const typename CountedObservedValues_t::iterator Colditer = ObservedValues.find(_oldid);
96 const typename CountedObservedValues_t::iterator Cnewiter = ObservedValues.find(_newid);
97 bool status = ((Colditer != ObservedValues.end()) && (Cnewiter == ObservedValues.end()));
98 // change id here only if still present
99 if (status) {
100 {
101 RefCountedObservedValues_t obsvalues = Colditer->second;
102 ObservedValues.erase(Colditer);
103 ObservedValues.insert( std::make_pair(_newid, obsvalues) );
104 }
105 return true;
106 } else
107 return false;
108}
109
110template <class T, typename id>
111size_t ObservedValuesContainer<T,id>::getRefCount(const id _id) const
112{
113 typename CountedObservedValues_t::const_iterator iter = ObservedValues.find(_id);
114 return iter->second.second;
115}
116
117template <class T, typename id>
118bool ObservedValuesContainer<T,id>::erase(const id _id)
119{
120 typename CountedObservedValues_t::iterator iter = ObservedValues.find(_id);
121 if (iter != ObservedValues.end()) {
122 ObservedValues.erase(iter);
123 return true;
124 } else
125 return false;
126}
127
128template <class T, typename id>
129bool ObservedValuesContainer<T,id>::isPresent(const id _id) const
130{
131 typename CountedObservedValues_t::const_iterator iter = ObservedValues.find(_id);
132 return (iter != ObservedValues.end());
133}
134
135#endif /* OBSERVEDVALUESCONTAINER_IMPL_HPP_ */
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