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/utilities/dynamicPressure/dynamicPressure.C

@@ -58,7 +58,7 @@ Foam::dynamicPressure::dynamicPressure
     name_(name),
     obr_(obr),
     active_(true),
-    pName_(dict.lookup("p")),
+    pName_(dict.lookupOrDefault<word>("p", "p")),
     rho_(readScalar(dict.lookup("rho")))
 {
     // Check if the available mesh is an fvMesh, otherwise deactivate
@@ -68,7 +68,7 @@ Foam::dynamicPressure::dynamicPressure
         WarningIn
         (
             "dynamicPressure::dynamicPressure"
-            "(const objectRegistry& obr, const dictionary& dict)"
+            "(const objectRegistry&, const dictionary&)"
         )   << "No fvMesh available, deactivating." << nl
             << endl;
     }
@@ -81,7 +81,7 @@ Foam::dynamicPressure::dynamicPressure
             WarningIn
             (
                 "dynamicPressure::dynamicPressure"
-                "(const objectRegistry& obr, const dictionary& dict)"
+                "(const objectRegistry&, const dictionary&)"
             )   << "Pressure is not kinematic pressure, deactivating." << nl
                 << endl;
         }
@@ -103,7 +103,7 @@ void Foam::dynamicPressure::read(const dictionary& dict)
 {
     if (active_)
     {
-        dict.lookup("p") >> pName_;
+        dict.readIfPresent("p", pName_);
         dict.lookup("rho") >> rho_;
     }
 }
@@ -115,6 +115,12 @@ void Foam::dynamicPressure::execute()
 }
 
 
+void Foam::dynamicPressure::end()
+{
+    // Do nothing - only valid on write
+}
+
+
 void Foam::dynamicPressure::write()
 {
     if (active_)

src/postProcessing/functionObjects/utilities/dynamicPressure/dynamicPressure.H

@@ -66,10 +66,10 @@ class dynamicPressure
         //- on/off switch
         bool active_;
 
-        //- Name of pressure field
+        //- Name of pressure field, default is "p"
         word pName_;
 
-        //- Density
+        //- Density value
         scalar rho_;
 
 
@@ -120,9 +120,12 @@ public:
         //- Read the dynamicPressure 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 dynamicPressure and write
         virtual void write();