diff --git a/src/OpenFOAM/db/objectRegistry/objectRegistry.C b/src/OpenFOAM/db/objectRegistry/objectRegistry.C
index 8d00a9426b..729fa9b957 100644
--- a/src/OpenFOAM/db/objectRegistry/objectRegistry.C
+++ b/src/OpenFOAM/db/objectRegistry/objectRegistry.C
@@ -333,6 +333,27 @@ void Foam::objectRegistry::clear()
 }
 
 
+void Foam::objectRegistry::addTemporaryObject
+(
+    const word& name
+) const
+{
+    if (!cacheTemporaryObjects_.found(name))
+    {
+        cacheTemporaryObjects_.insert(name, {false, false});
+    }
+}
+
+
+bool Foam::objectRegistry::cacheTemporaryObject
+(
+    const word& name
+) const
+{
+    return cacheTemporaryObjects_.found(name);
+}
+
+
 void Foam::objectRegistry::resetCacheTemporaryObject
 (
     const regIOobject& ob
diff --git a/src/OpenFOAM/db/objectRegistry/objectRegistry.H b/src/OpenFOAM/db/objectRegistry/objectRegistry.H
index e6cbfd4ae6..b090195f8a 100644
--- a/src/OpenFOAM/db/objectRegistry/objectRegistry.H
+++ b/src/OpenFOAM/db/objectRegistry/objectRegistry.H
@@ -214,10 +214,17 @@ public:
             //- Remove all regIOobject owned by the registry
             void clear();
 
+            //- Add the given name to the set of temporary objects to cache
+            void addTemporaryObject(const word& name) const;
+
+            //- Return true if given name is in the cacheTemporaryObjects set
+            bool cacheTemporaryObject(const word& name) const;
+
+            //- Cache the given object
             template<class Object>
             bool cacheTemporaryObject(Object& ob) const;
 
-            //- Reset cache state of the given object
+            //- Reset the cache state of the given object
             //  in the cacheTemporaryObjects set
             void resetCacheTemporaryObject(const regIOobject& ob) const;