Time and functionObject updated for end()

- added end() method to functionObject, functionObjectList & associated classes
- moved outputFilters from src/sampling -> src/OpenFOAM/db/functionObjects

src/postProcessing/functionObjects/field/fieldMinMax/fieldMinMax.C

@@ -163,6 +163,13 @@ void Foam::fieldMinMax::execute()
     // Do nothing - only valid on write
 }
 
+
+void Foam::fieldMinMax::end()
+{
+    // Do nothing - only valid on write
+}
+
+
 void Foam::fieldMinMax::write()
 {
     if (active_)

src/postProcessing/functionObjects/field/fieldMinMax/fieldMinMax.H

@@ -80,8 +80,8 @@ protected:
 
     // Protected data
 
-        //- Name of this set of forces,
-        //  Also used as the name of the probes directory.
+        //- Name of this set of field min/max.
+        //  Also used as the name of the output directory.
         word name_;
 
         const objectRegistry& obr_;
@@ -108,7 +108,7 @@ protected:
 
     // Private Member Functions
 
-        //- If the forces file has not been created create it
+        //- If the output file has not been created create it
         void makeFile();
 
         //- Disallow default bitwise copy construct
@@ -147,18 +147,21 @@ public:
 
     // Member Functions
 
-        //- Return name of the set of forces
+        //- Return name of the set of field min/max
         virtual const word& name() const
         {
             return name_;
         }
 
-        //- Read the forces data
+        //- Read the field min/max data
         virtual void read(const dictionary&);
 
-        //- Execute
+        //- Execute, currently does nothing
         virtual void execute();
 
+        //- Execute at the final time-loop, currently does nothing
+        virtual void end();
+
         //- Calculate the field min/max
         template<class Type>
         void calcMinMaxFields(const word& fieldName);