IOobjectTemplates.C
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25 
26 #include "IOobject.H"
27 #include "fileOperation.H"
28 #include "Istream.H"
29 #include "IOstreams.H"
30 #include "Pstream.H"
31 
32 // * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
33 
34 template<class Type>
35 bool Foam::IOobject::typeHeaderOk(const bool checkType)
36 {
37  bool ok = true;
38 
39  // Everyone check or just master
40  const bool masterOnly =
41  typeGlobal<Type>()
42  && (
45  );
46 
47  const fileOperation& fp = Foam::fileHandler();
48 
49  // Determine local status
50  if (!masterOnly || Pstream::master())
51  {
52  const fileName fName
53  (
54  filePath(Type::typeName, typeGlobalFile<Type>())
55  );
56 
57  ok = fp.readHeader(*this, fName, Type::typeName);
58  if (ok && checkType && headerClassName_ != Type::typeName)
59  {
61  << "unexpected class name " << headerClassName_
62  << " expected " << Type::typeName
63  << " when reading " << fName << endl;
64 
65  ok = false;
66  }
67  }
68 
69  // If masterOnly make sure all processors know about it
70  if (masterOnly)
71  {
72  Pstream::scatter(ok);
73  }
74 
75  return ok;
76 }
77 
78 
79 template<class Type>
81 {
83  {
85  << Type::typeName << ' ' << name()
86  << " constructed with IOobject::MUST_READ_IF_MODIFIED"
87  " but " << Type::typeName
88  << " does not support automatic rereading."
89  << endl;
90  }
91 }
92 
93 
94 template<class Type>
96 {
97  return typeHeaderOk<Type>(true);
98 }
99 
100 
101 // ************************************************************************* //
bool typeHeaderOk(const bool checkType)
Read header using typeGlobalFile to find file.
const word & name() const
Return name.
Definition: IOobject.H:315
A class for handling file names.
Definition: fileName.H:79
bool headerOk()
Read header (uses typeGlobalFile to find file) and check.
Ostream & endl(Ostream &os)
Add newline and flush stream.
Definition: Ostream.H:251
static bool master(const label communicator=0)
Am I the master process.
Definition: UPstream.H:423
fileName filePath(const word &typeName, const bool global) const
Return complete path + object name if the file exists.
Definition: IOobject.C:407
Useful combination of include files which define Sin, Sout and Serr and the use of IO streams general...
const fileOperation & fileHandler()
Get current file handler.
static void scatter(const List< commsStruct > &comms, T &Value, const int tag, const label comm)
Scatter data. Distribute without modification. Reverse of gather.
static fileCheckTypes fileModificationChecking
Type of file modification checking.
Definition: IOobject.H:231
#define WarningInFunction
Report a warning using Foam::Warning.
readOption readOpt() const
Definition: IOobject.H:365
void warnNoRereading() const
Helper: warn that type does not support re-reading.
virtual bool readHeader(IOobject &, const fileName &, const word &typeName) const =0
Read object header from supplied file.