Added a switch to control the caching system.

src/OpenFOAM/matrices/solution/solution.C

@@ -60,6 +60,7 @@ Foam::solution::solution(const objectRegistry& obr, const fileName& dictName)
         )
     ),
     cache_(ITstream("cache", tokenList())()),
+    caching_(false),
     relaxationFactors_(ITstream("relaxationFactors", tokenList())()),
     defaultRelaxationFactor_(0),
     solvers_(ITstream("solvers", tokenList())())
@@ -149,6 +150,8 @@ Foam::label Foam::solution::upgradeSolverDict
 
 
 bool Foam::solution::cache(const word& name) const
+{
+    if (caching_)
     {
         if (debug)
         {
@@ -157,6 +160,11 @@ bool Foam::solution::cache(const word& name) const
 
         return cache_.found(name);
     }
+    else
+    {
+        return false;
+    }
+}
 
 
 bool Foam::solution::relax(const word& name) const
@@ -248,6 +256,7 @@ bool Foam::solution::read()
         if (dict.found("cache"))
         {
             cache_ = dict.subDict("cache");
+            caching_ = cache_.lookupOrDefault<Switch>("active", true);
         }
 
         if (dict.found("relaxationFactors"))

src/OpenFOAM/matrices/solution/solution.H

@@ -37,6 +37,7 @@ SourceFiles
 #define solution_H
 
 #include "IOdictionary.H"
+#include "Switch.H"
 
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
@@ -56,6 +57,9 @@ class solution
         //- Dictionary of temporary fields to cache
         dictionary cache_;
 
+        //- Switch for the caching mechanism
+        Switch caching_;
+
         //- Dictionary of relaxation factors for all the fields
         dictionary relaxationFactors_;