Working skeleton of LHEWeightInfoProduct

GeneratorInterface/LHEInterface/plugins/ExternalLHEProducer.cc

@@ -159,7 +159,7 @@ ExternalLHEProducer::ExternalLHEProducer(const edm::ParameterSet& iConfig) :
   produces<LHEEventProduct>();
   produces<LHERunInfoProduct, edm::Transition::BeginRun>();
   produces<LHERunInfoProduct, edm::Transition::EndRun>();
-  produces<LHEWeightInfoProduct>();
+  produces<LHEWeightInfoProduct, edm::Transition::BeginRun>();
 }
 
 
@@ -328,7 +328,6 @@ ExternalLHEProducer::beginRunProduce(edm::Run& run, edm::EventSetup const& es)
   unsigned int skip = 0;
   reader_ = std::make_unique<lhef::LHEReader>(infiles, skip);
 
-  std::cout << "Adding the Weight product!";
   std::unique_ptr<LHEWeightInfoProduct> weightInfoProduct(new LHEWeightInfoProduct);
   gen::WeightGroupInfo scaleInfo(
       "<weightgroup name=\"Central scale variation\" combine=\"envelope\">"

SimDataFormats/GeneratorProducts/interface/LHEWeightInfoProduct.h

@@ -14,19 +14,15 @@
 class LHEWeightInfoProduct {
     public:
         LHEWeightInfoProduct() {}
-	    LHEWeightInfoProduct(const LHEWeightInfoProduct& other) {weightGroupsInfo_ = other.weightGroupsInfo_;}
-	    LHEWeightInfoProduct(LHEWeightInfoProduct&& other) {weightGroupsInfo_ = std::move(other.weightGroupsInfo_);}
+        LHEWeightInfoProduct(std::vector<gen::WeightGroupInfo>& weightGroups);
+	    LHEWeightInfoProduct(const LHEWeightInfoProduct& other); 
+	    LHEWeightInfoProduct(LHEWeightInfoProduct&& other);
         ~LHEWeightInfoProduct() {}
-        LHEWeightInfoProduct(std::vector<gen::WeightGroupInfo>& weightGroups) {
-            weightGroupsInfo_ = weightGroups;
-        }
-        LHEWeightInfoProduct &operator = (const LHEWeightInfoProduct &other) {weightGroupsInfo_ = other.weightGroupsInfo_; return * this; }
-        LHEWeightInfoProduct &operator = (LHEWeightInfoProduct &&other) {weightGroupsInfo_ = std::move(other.weightGroupsInfo_); return *this;}
-
-        std::vector<gen::WeightGroupInfo> getWeightGroupsInfo() { return weightGroupsInfo_; }
-        void addWeightGroupInfo(gen::WeightGroupInfo info) {  
-            weightGroupsInfo_.push_back(info); 
-        }
+        LHEWeightInfoProduct& operator=(const LHEWeightInfoProduct &other); 
+        LHEWeightInfoProduct& operator=(LHEWeightInfoProduct &&other); 
+
+        std::vector<gen::WeightGroupInfo> getWeightGroupsInfo();
+        void addWeightGroupInfo(gen::WeightGroupInfo info);
 
     private:
         std::vector<gen::WeightGroupInfo> weightGroupsInfo_;

SimDataFormats/GeneratorProducts/src/LHEWeightInfoProduct.cc

@@ -0,0 +1,26 @@
+#include <vector>
+#include <string>
+
+#include "SimDataFormats/GeneratorProducts/interface/LHEWeightInfoProduct.h"
+
+LHEWeightInfoProduct::LHEWeightInfoProduct(std::vector<gen::WeightGroupInfo>& weightGroups) {
+    weightGroupsInfo_ = weightGroups;
+}
+
+LHEWeightInfoProduct& LHEWeightInfoProduct::operator=(const LHEWeightInfoProduct &other) {
+    weightGroupsInfo_ = other.weightGroupsInfo_; 
+    return * this; 
+}
+
+LHEWeightInfoProduct& LHEWeightInfoProduct::operator=(LHEWeightInfoProduct &&other) {
+    weightGroupsInfo_ = std::move(other.weightGroupsInfo_); 
+    return *this;
+}
+
+std::vector<gen::WeightGroupInfo> LHEWeightInfoProduct::getWeightGroupsInfo() { 
+    return weightGroupsInfo_; 
+}
+
+void LHEWeightInfoProduct::addWeightGroupInfo(gen::WeightGroupInfo info) {  
+    weightGroupsInfo_.push_back(info); 
+}