demandDrivenData.H
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23 
24 Description
25  Template functions to aid in the implementation of demand driven data.
26 
27 \*---------------------------------------------------------------------------*/
28 
29 #ifndef demandDrivenData_H
30 #define demandDrivenData_H
31 
32 #include "nullObject.H"
33 
34 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
35 
36 namespace Foam
37 {
38 
39 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
40 
41 template<class DataType>
42 inline void deleteDemandDrivenData(DataType*& dataPtr)
43 {
44  if (dataPtr && notNull(dataPtr))
45  {
46  delete dataPtr;
47  }
48  dataPtr = 0;
49 }
50 
51 
52 template<class DataType>
53 inline void nullDemandDrivenData(DataType*& dataPtr)
54 {
55  if (dataPtr && notNull(dataPtr))
56  {
57  delete dataPtr;
58  }
59  dataPtr = NullObjectPtr<DataType>();
60 }
61 
62 
63 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
64 
65 } // End namespace Foam
66 
67 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
68 
69 #endif
70 
71 // ************************************************************************* //
Namespace for OpenFOAM.
void deleteDemandDrivenData(DataType *&dataPtr)
bool notNull(const T &t)
Return true if t is not a reference to the nullObject of type T.
Definition: nullObjectI.H:64
void nullDemandDrivenData(DataType *&dataPtr)