From 155151bb39d31d0e7f8d4991fee17482b82e7f92 Mon Sep 17 00:00:00 2001
From: Whitney Armstrong <warmstrong@anl.gov>
Date: Sun, 5 Aug 2018 18:58:30 -0500
Subject: [PATCH] Added variable helper function template.
---
src/THcParmList.cxx | 1 +
src/THcParmList.h | 19 ++++++++++++++++++-
2 files changed, 19 insertions(+), 1 deletion(-)
diff --git a/src/THcParmList.cxx b/src/THcParmList.cxx
index 4e0a781..7f34246 100644
--- a/src/THcParmList.cxx
+++ b/src/THcParmList.cxx
@@ -693,6 +693,7 @@ std::string THcParmList::PrintJSON(int run_number ) const {
obj->Print();
}
}
+
nlohmann::json jrun;
jrun[std::to_string(run_number)] = j;
//std::cout << j.dump(2) << "\n";
diff --git a/src/THcParmList.h b/src/THcParmList.h
index 35490d3..38b192a 100644
--- a/src/THcParmList.h
+++ b/src/THcParmList.h
@@ -23,7 +23,6 @@ using namespace ccdb;
using namespace std;
-
class THcParmList : public THaVarList {
public:
@@ -77,5 +76,23 @@ protected:
ClassDef(THcParmList,0) // List of analyzer global parameters
};
+
+
+namespace hcana{
+ namespace json {
+
+ template<typename T = double>
+ T FindVarValueOr(THcParmList* parms, std::string var, T value){
+ auto p = parms->Find(var.c_str());
+ if(!p) {
+ return value;
+ }
+ const auto res = static_cast<const T*>(p->GetDataPointer());
+ return *res;
+ }
+
+ }
+}
+
#endif
--
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