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Teuchos_SimpleObjectTable.hpp
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41 
42 #include "Teuchos_Array.hpp"
43 #include "Teuchos_RCP.hpp"
44 
45 #ifndef TEUCHOS_SIMPLEOBJECTTABLE_HPP
46 #define TEUCHOS_SIMPLEOBJECTTABLE_HPP
47 
56 namespace Teuchos
57 {
58 
59 template <class T>
61 {
62  public:
63 
65 
67 
68  int storeRCP(const RCP<T> & robj);
69 
70  int storeNew(T* obj, bool owned = true);
71 
72  template <class TOld>
73  int storeCastedRCP(const RCP<TOld> & robj_old);
74 
75  int removeRCP(int &index);
76 
77  const RCP<T> getRCP(int index);
78 
79  void purge();
80 
81  private:
82 
84 
86 
87 };
88 
89 template <class T>
91 {
92 
93 }
94 
95 template <class T>
97 {
98  purge();
99 }
100 
101 template <class T>
103 {
104  robj.assert_not_null();
105 
106  int index = -1;
107 
108  if (freedIndices.size() != 0) {
109  index = freedIndices.back();
110  freedIndices.pop_back();
111  tableOfObjects[index] = robj;
112  } else {
113  tableOfObjects.push_back(robj);
114  index = tableOfObjects.size() - 1;
115  }
116 
117  return index;
118 }
119 
120 template <class T>
121 int SimpleObjectTable<T>::storeNew(T* obj, bool owned)
122 {
123  return storeRCP(rcp(obj, owned));
124 }
125 
126 template <class T>
127 template <class TOld>
129 {
130  return storeRCP(rcp_dynamic_cast<T>(robj_old, true));
131 }
132 
133 template <class T>
135 {
136  if (tableOfObjects[index] == Teuchos::null) {
137  throw RangeError("Item has already been deleted from SimpleObjectTable.");
138  }
139 
140  int cnt = tableOfObjects[index].strong_count();
141 
142  tableOfObjects[index] = Teuchos::null;
143  freedIndices.push_back(index);
144  index = -1;
145 
146  return (cnt-1);
147 }
148 
149 template <class T>
151 {
152  if (tableOfObjects[index] == Teuchos::null) {
153  throw RangeError("Item has already been deleted from SimpleObjectTable.");
154  }
155 
156  return tableOfObjects[index];
157 }
158 
159 template <class T>
161 {
162  int ocnt = tableOfObjects.size();
163  for (int i=0; i<ocnt; i++) {
164  tableOfObjects[i] = Teuchos::null;
165  }
166 
167  if (tableOfObjects.size() > 0)
168  tableOfObjects.erase(tableOfObjects.begin(), tableOfObjects.end());
169  if (freedIndices.size() > 0)
170  freedIndices.erase(freedIndices.begin(), freedIndices.end());
171 }
172 
173 } // end namespace Teuchos
174 
175 #endif
176 
This class provides a central place to store objects.
int storeNew(T *obj, bool owned=true)
TEUCHOS_DEPRECATED RCP< T > rcp(T *p, Dealloc_T dealloc, bool owns_mem)
Deprecated.
int storeCastedRCP(const RCP< TOld > &robj_old)
int storeRCP(const RCP< T > &robj)
const RCP< T > & assert_not_null() const
Throws NullReferenceError if this-&gt;get()==NULL, otherwise returns reference to *this.
Templated array class derived from the STL std::vector.
Smart reference counting pointer class for automatic garbage collection.
Range error exception class.
Reference-counted pointer class and non-member templated function implementations.
Replacement for std::vector that is compatible with the Teuchos Memory Management classes...