streamline particle property registration

src/lagrangian/cfdemParticle/cfdemCloud/cfdemCloud.C

@@ -160,8 +160,7 @@ cfdemCloud::cfdemCloud
             turbulenceModelType_
         )
     ),
-    intParticleProperties(8),
-    doubleParticleProperties(8),
+    particlePropertyTable(32),
     dataExchangeModel_
     (
         dataExchangeModel::New
@@ -407,21 +406,18 @@ cfdemCloud::~cfdemCloud()
 
     for
     (
-        HashTable<int**>::iterator iter = intParticleProperties.begin();
-        iter != intParticleProperties.end();
+        HashTable<particleProperty>::iterator iter = particlePropertyTable.begin();
+        iter != particlePropertyTable.end();
         ++iter
     )
     {
-        dataExchangeM().destroy(*iter,-1);
-    }
-    for
-    (
-        HashTable<double**>::iterator iter = doubleParticleProperties.begin();
-        iter != doubleParticleProperties.end();
-        ++iter
-    )
-    {
-        dataExchangeM().destroy(*iter,-1);
+        if ((*(iter().ti)) == typeid(int**)) {
+            dataExchangeM().destroy(iter().ref<int**>(),-1);
+        } else if ((*(iter().ti)) == typeid(double**)) {
+            dataExchangeM().destroy(iter().ref<double**>(),-1);
+        } else {
+            FatalError << "Trying to destroy property of type " << iter().ti->name() << endl;
+        }
     }
 }
 

src/lagrangian/cfdemParticle/cfdemCloud/cfdemCloud.H

@@ -45,6 +45,7 @@ SourceFiles
 // choose version
 #include "OFversion.H"
 #include <vector>
+#include <typeinfo>
 
 #include "fvCFD.H"
 #include "IFstream.H"
@@ -188,8 +189,17 @@ protected:
 
     const turbulenceModel& turbulence_;
 
-    HashTable<int**>        intParticleProperties;
-    HashTable<double**>     doubleParticleProperties;
+    struct particleProperty {
+        void** property;
+        const std::type_info* ti;
+        template<typename T>
+        T& ref() {
+          if (*ti == typeid(T)) return *reinterpret_cast<T*>(&property);
+          else throw std::bad_cast();
+        }
+    };
+
+    HashTable<particleProperty> particlePropertyTable;
 
     autoPtr<dataExchangeModel> dataExchangeModel_;
 
@@ -448,12 +458,12 @@ public:
         bool checkPeriodicCells() const { return checkPeriodicCells_; }
 
         template<typename T>
-        void registerParticleVectorProperty(const word& property);
+        void registerParticleProperty(const word& property);
         template<typename T>
-        T**& getParticleVectorPropertyRef(const word& property);
+        T& getParticlePropertyRef(const word& property);
 protected:
-        virtual int**& getParticleVectorPropertyImpl(const word& property, int**);
-        virtual double**& getParticleVectorPropertyImpl(const word& property, double**);
+        virtual int**& getParticlePropertyImpl(const word& property, int**);
+        virtual double**& getParticlePropertyImpl(const word& property, double**);
 };
 
 

src/lagrangian/cfdemParticle/cfdemCloud/cfdemCloudI.H

@@ -403,39 +403,27 @@ inline const turbulenceModel& cfdemCloud::turbulence() const
     return turbulence_;
 }
 
-template<typename T>
-void cfdemCloud::registerParticleVectorProperty(const word& property)
-{
-    FatalError << "Trying to register particle vector property of unsupported type" << endl;
-}
-
-template<> inline
-void cfdemCloud::registerParticleVectorProperty<int>(const word& property)
-{
-    intParticleProperties.insert(property, (int**)NULL);
-}
-
-template<> inline
-void cfdemCloud::registerParticleVectorProperty<double>(const word& property)
-{
-    doubleParticleProperties.insert(property, (double**)NULL);
-}
-
 
 template<typename T>
-T**& cfdemCloud::getParticleVectorPropertyRef(const word& property)
+void cfdemCloud::registerParticleProperty(const word& property)
 {
-    return getParticleVectorPropertyImpl(property, (T**)NULL);
+    particlePropertyTable.insert(property,{NULL,&typeid(T)});
 }
 
-inline int**& cfdemCloud::getParticleVectorPropertyImpl(const word& property, int**)
+template<typename T>
+T& cfdemCloud::getParticlePropertyRef(const word& property)
 {
-    return intParticleProperties[property];
+    return getParticlePropertyImpl(property, static_cast<T>(0));
 }
 
-inline double**& cfdemCloud::getParticleVectorPropertyImpl(const word& property, double**)
+inline int**& cfdemCloud::getParticlePropertyImpl(const word& property, int**)
 {
-    return doubleParticleProperties[property];
+    return particlePropertyTable[property].ref<int**>();
+}
+
+inline double**& cfdemCloud::getParticlePropertyImpl(const word& property, double**)
+{
+    return particlePropertyTable[property].ref<double**>();
 }
 
 }

src/lagrangian/cfdemParticle/subModels/voidFractionModel/voidFractionModel/voidFractionModel.C

@@ -88,7 +88,7 @@ voidFractionModel::voidFractionModel
     weight_(1.),
     porosity_(1.)
 {
-    particleCloud_.registerParticleVectorProperty<int>("cellsPerParticle");
+    particleCloud_.registerParticleProperty<int**>("cellsPerParticle");
     if (particleCloud_.getParticleEffVolFactors()) multiWeights_ = true;
 }
 
@@ -131,7 +131,7 @@ voidFractionModel::voidFractionModel
     weight_(1.),
     porosity_(1.)
 {
-    particleCloud_.registerParticleVectorProperty<int>("cellsPerParticle");
+    particleCloud_.registerParticleProperty<int**>("cellsPerParticle");
 }
 
 // * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
@@ -159,7 +159,7 @@ void voidFractionModel::resetVoidFractions()
 
 int** const& voidFractionModel::cellsPerParticle() const
 {
-    return particleCloud_.getParticleVectorPropertyRef<int>("cellsPerParticle");
+    return particleCloud_.getParticlePropertyRef<int**>("cellsPerParticle");
 }
 
 int voidFractionModel::maxCellsPerParticle() const
@@ -172,8 +172,7 @@ void voidFractionModel::reAllocArrays()
     if(particleCloud_.numberOfParticlesChanged())
     {
         // get arrays of new length
-        particleCloud_.dataExchangeM().allocateArray(
-                    particleCloud_.getParticleVectorPropertyRef<int>("cellsPerParticle"),1,1);
+        particleCloud_.dataExchangeM().allocateArray(particleCloud_.getParticlePropertyRef<int**>("cellsPerParticle"),1,1);
     }
 }
 
@@ -182,8 +181,7 @@ void voidFractionModel::reAllocArrays(int nP)
     if(particleCloud_.numberOfParticlesChanged())
     {
         // get arrays of new length
-        particleCloud_.dataExchangeM().allocateArray(
-                    particleCloud_.getParticleVectorPropertyRef<int>("cellsPerParticle"),1,1,nP);
+        particleCloud_.dataExchangeM().allocateArray(particleCloud_.getParticlePropertyRef<int**>("cellsPerParticle"),1,1,nP);
     }
 }
 

src/lagrangian/cfdemParticle/subModels/voidFractionModel/voidFractionModel/voidFractionModel.H

@@ -69,7 +69,6 @@ protected:
 
         volScalarField voidfractionNext_;
 
-
         int maxCellsPerParticle_;
 
         scalar weight_;