ENH: Adding a hook to functionObject called 'timeSet' at the

end of Time::operator++. This allows to know if the next timeIndex will be
a dumping time. The function object "partialWrite" modifyes the write option
of the those fields which will be written down at given intervals of the overall
outout times.

src/postProcessing/functionObjects/IO/partialWrite/partialWriteTemplates.C

+/*---------------------------------------------------------------------------*\
+  =========                 |
+  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
+   \\    /   O peration     |
+    \\  /    A nd           | Copyright (C) 2013 OpenFOAM Foundation
+     \\/     M anipulation  |
+-------------------------------------------------------------------------------
+License
+    This file is part of OpenFOAM.
+
+    OpenFOAM is free software: you can redistribute it and/or modify it
+    under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
+    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+    for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
+
+\*---------------------------------------------------------------------------*/
+
+#include "partialWrite.H"
+#include "volFields.H"
+#include "surfaceFields.H"
+#include "Time.H"
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+template<class Type>
+void Foam::partialWrite::loadField
+(
+    const word& fieldName,
+    UPtrList<GeometricField<Type, fvPatchField, volMesh> >& vflds,
+    UPtrList<GeometricField<Type, fvsPatchField, surfaceMesh> >& sflds
+) const
+{
+    typedef GeometricField<Type, fvPatchField, volMesh> vfType;
+    typedef GeometricField<Type, fvsPatchField, surfaceMesh> sfType;
+
+    if (obr_.foundObject<vfType>(fieldName))
+    {
+        if (debug)
+        {
+            Info<< "partialWrite : Field "
+                << fieldName << " found in database" << endl;
+        }
+
+        vfType& vField =
+            const_cast<vfType&>
+            (
+                obr_.lookupObject<vfType>(fieldName)
+            );
+
+
+        const unsigned int sz = vflds.size();
+        vflds.setSize(sz + 1);
+        vflds.set(sz, &vField);
+    }
+    else if (obr_.foundObject<sfType>(fieldName))
+    {
+        if (debug)
+        {
+            Info<< "partialWrite : Field " << fieldName
+                << " found in database" << endl;
+        }
+
+         sfType& sField =
+            const_cast<sfType&>
+            (
+                obr_.lookupObject<sfType>(fieldName)
+            );
+
+
+        const unsigned int sz = sflds.size();
+        sflds.setSize(sz + 1);
+        sflds.set(sz, &sField);
+    }
+}
+
+
+template<class Type>
+void Foam::partialWrite::changeWriteOptions
+(
+    UPtrList<GeometricField<Type, fvPatchField, volMesh> >& vflds,
+    UPtrList<GeometricField<Type, fvsPatchField, surfaceMesh> >& sflds,
+    const IOobject::writeOption wOption
+) const
+{
+    forAll(vflds , i)
+    {
+        vflds[i].writeOpt() = wOption;
+    }
+
+    forAll(sflds , i)
+    {
+        sflds[i].writeOpt() = wOption;
+    }
+}
+
+
+// ************************************************************************* //