Moving registrations in an independent file

lib/qcd/modules/ObservableModules.h

@@ -0,0 +1,127 @@
+/*************************************************************************************
+
+Grid physics library, www.github.com/paboyle/Grid
+
+Source file: ./lib/qcd/modules/ObservableModules.h
+
+Copyright (C) 2016
+
+Author: Guido Cossu <guido.cossu@ed.ac.uk>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+See the full license in the file "LICENSE" in the top level distribution
+directory
+*************************************************************************************/
+/*  END LEGAL */
+#ifndef HMC_OBSERVABLE_MODULES_H
+#define HMC_OBSERVABLE_MODULES_H
+
+namespace Grid {
+
+/////////////////////////////
+// Observables
+/////////////////////////////
+template <class ObservableType, class OPar>
+class ObservableModule
+    : public Parametrized<OPar>,
+      public HMCModuleBase< QCD::HmcObservable<typename ObservableType::Field> > {
+ public:
+  typedef HMCModuleBase< QCD::HmcObservable< typename ObservableType::Field> > Base;
+  typedef typename Base::Product Product;
+
+  std::unique_ptr<ObservableType> ObservablePtr;
+
+  ObservableModule(OPar Par) : Parametrized<OPar>(Par) {}
+
+  virtual void print_parameters(){
+    std::cout << this->Par_ << std::endl;
+  }
+
+  template <class ReaderClass>
+  ObservableModule(Reader<ReaderClass>& Reader) : Parametrized<OPar>(Reader){};
+
+  Product* getPtr() {
+    if (!ObservablePtr) initialize();
+
+    return ObservablePtr.get();
+  }
+
+ private:
+  virtual void initialize() = 0;
+};
+
+
+
+////////////////
+// Modules
+////////////////
+
+namespace QCD{
+
+//// Observables module
+class PlaquetteObsParameters : Serializable {
+ public:
+  GRID_SERIALIZABLE_CLASS_MEMBERS(PlaquetteObsParameters, 
+    std::string, output_prefix);
+};
+
+template < class Impl >
+class PlaquetteMod: public ObservableModule<PlaquetteLogger<Impl>, PlaquetteObsParameters>{
+  typedef ObservableModule<PlaquetteLogger<Impl>, PlaquetteObsParameters> ObsBase;
+  using ObsBase::ObsBase; // for constructors
+
+  // acquire resource
+  virtual void initialize(){
+    this->ObservablePtr.reset(new PlaquetteLogger<Impl>(this->Par_.output_prefix));
+  }
+};
+
+
+}// QCD temporarily here
+
+
+////////////////////////////////////////
+// Factories specialisations
+////////////////////////////////////////
+// explicit ref to LatticeGaugeField must be changed or put in the factory
+//typedef HMCModuleBase< QCD::HmcObservable<QCD::LatticeGaugeField> > HMC_ObsModBase;
+
+template <char const *str, class Field, class ReaderClass >
+class HMC_ObservablesModuleFactory
+    : public Factory < HMCModuleBase< QCD::HmcObservable<Field> >, Reader<ReaderClass> > {
+ public:
+  typedef Reader<ReaderClass> TheReader; 
+  // use SINGLETON FUNCTOR MACRO HERE
+  HMC_ObservablesModuleFactory(const HMC_ObservablesModuleFactory& e) = delete;
+  void operator=(const HMC_ObservablesModuleFactory& e) = delete;
+  static HMC_ObservablesModuleFactory& getInstance(void) {
+    static HMC_ObservablesModuleFactory e;
+    return e;
+  }
+
+ private:
+  HMC_ObservablesModuleFactory(void) = default;
+    std::string obj_type() const {
+    return std::string(str);
+  }
+};
+
+extern char observable_string[];
+
+}
+
+
+#endif //HMC_OBSERVABLE_MODULES_H