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fieldExpression.H
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23 
24 Class
25  Foam::functionObjects::fieldExpression
26 
27 Description
28 
29 See also
30  Foam::functionObjects::fvMeshFunctionObject
31 
32 SourceFiles
33  fieldExpression.C
34 
35 \*---------------------------------------------------------------------------*/
36 
37 #ifndef functionObjects_fieldExpression_H
38 #define functionObjects_fieldExpression_H
39 
40 #include "fvMeshFunctionObject.H"
41 
42 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
43 
44 namespace Foam
45 {
46 namespace functionObjects
47 {
48 
49 /*---------------------------------------------------------------------------*\
50  Class fieldExpression Declaration
51 \*---------------------------------------------------------------------------*/
52 
53 class fieldExpression
54 :
56 {
57 protected:
58 
59  // Protected member data
60 
61  //- Name of field to process
62  const word fieldName_;
63 
64  //- Name of result field
66 
67 
68  // Protected member functions
69 
70  virtual bool calc() = 0;
71 
72 
73 public:
74 
75  //- Runtime type information
76  TypeName("fieldExpression");
77 
78 
79  // Constructors
80 
81  //- Construct from Time and dictionary
83  (
84  const word& name,
85  const Time& runTime,
86  const dictionary& dict,
87  const word& functionName,
88  const word& defaultFieldName = word::null
89  );
90 
91  //- Disallow default bitwise copy construction
92  fieldExpression(const fieldExpression&) = delete;
93 
94 
95  //- Destructor
96  virtual ~fieldExpression();
97 
98 
99  // Member Functions
100 
101  //- Read the fieldExpression data
102  virtual bool read(const dictionary&);
103 
104  //- Calculate the result field
105  virtual bool execute();
106 
107  //- Write the result field
108  virtual bool write();
109 
110  //- Clear the result field from the objectRegistry
111  virtual bool clear();
112 
113 
114  // Member Operators
115 
116  //- Disallow default bitwise assignment
117  void operator=(const fieldExpression&) = delete;
118 };
119 
120 
121 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
122 
123 } // End namespace functionObjects
124 } // End namespace Foam
125 
126 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
127 
128 #endif
129 
130 // ************************************************************************* //
dictionary dict
word resultName_
Name of result field.
TypeName("fieldExpression")
Runtime type information.
const word & name() const
Return the name of this functionObject.
A list of keyword definitions, which are a keyword followed by any number of values (e...
Definition: dictionary.H:156
engineTime & runTime
Class to control time during OpenFOAM simulations that is also the top-level objectRegistry.
Definition: Time.H:68
A functionName is a word starting with &#39;#&#39;.
Definition: functionName.H:57
A class for handling words, derived from string.
Definition: word.H:59
static const word null
An empty word.
Definition: word.H:77
virtual bool write()
Write the result field.
virtual bool read(const dictionary &)
Read the fieldExpression data.
virtual bool execute()
Calculate the result field.
const word fieldName_
Name of field to process.
virtual bool clear()
Clear the result field from the objectRegistry.
void operator=(const fieldExpression &)=delete
Disallow default bitwise assignment.
fieldExpression(const word &name, const Time &runTime, const dictionary &dict, const word &functionName, const word &defaultFieldName=word::null)
Construct from Time and dictionary.
Specialisation of Foam::functionObject for an Foam::fvMesh, providing a reference to the Foam::fvMesh...
Namespace for OpenFOAM.