Rewrite IO with LLAMA

Author: bernhardmgruber

include/picongpu/plugins/openPMD/WriteSpecies.hpp

@@ -361,14 +361,12 @@ namespace picongpu
                 {
                 case WriteSpeciesStrategy::ADIOS:
                     {
-                        using type = StrategyADIOS<openPMDFrameType, RunParameters_T>;
-                        strategy = std::unique_ptr<AStrategy>(dynamic_cast<AStrategy*>(new type));
+                        strategy = std::make_unique<StrategyADIOS<openPMDFrameType, RunParameters_T>>();
                         break;
                     }
                 case WriteSpeciesStrategy::HDF5:
                     {
-                        using type = StrategyHDF5<openPMDFrameType, RunParameters_T>;
-                        strategy = std::unique_ptr<AStrategy>(dynamic_cast<AStrategy*>(new type));
+                        strategy = std::make_unique<StrategyHDF5<openPMDFrameType, RunParameters_T>>();
                         break;
                     }
                 }