Hash the algoName to get the algoID by default

key4hep · May 16, 2024 · 3f26f91 · 3f26f91
1 parent 22a3f22
commit 3f26f91
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Showing 6 changed files with 533 additions and 17 deletions.
diff --git a/test/utils/test_PIDHandler.cpp b/test/utils/test_PIDHandler.cpp
@@ -188,7 +188,7 @@ TEST_CASE("PIDHandler from Frame w/ metadata", "[pid_utils]") {
 
   const auto pidInfo = utils::PIDHandler::getAlgoInfo(metadata, "particleIds_1").value();
   REQUIRE(pidInfo.algoName == "pidAlgo_1");
-  REQUIRE(pidInfo.algoType == 42);
+  REQUIRE(pidInfo.algoType() == 42);
   REQUIRE(pidInfo.paramNames.size() == 2);
   REQUIRE(pidInfo.paramNames[0] == "first_param");
   REQUIRE(pidInfo.paramNames[1] == "second_param");

diff --git a/utils/CMakeLists.txt b/utils/CMakeLists.txt
@@ -10,6 +10,7 @@ target_compile_features(kinematics INTERFACE cxx_std_17)
 
 set(utils_sources
   src/ParticleIDUtils.cc
+  src/MurmurHash3.cpp
 )
 
 add_library(utils SHARED ${utils_sources})

diff --git a/utils/include/edm4hep/utils/ParticleIDUtils.h b/utils/include/edm4hep/utils/ParticleIDUtils.h
@@ -16,9 +16,25 @@ namespace edm4hep::utils {
 
 /// A simple struct bundling relevant metadata for a ParticleID collection
 struct ParticleIDMeta {
+  ParticleIDMeta(const std::string& algName, int32_t algType, const std::vector<std::string>& parNames);
+  ParticleIDMeta(const std::string& algName, const std::vector<std::string>& parNames);
+
+  ~ParticleIDMeta() = default;
+  ParticleIDMeta() = default;
+  ParticleIDMeta(const ParticleIDMeta&) = default;
+  ParticleIDMeta& operator=(const ParticleIDMeta&) = default;
+  ParticleIDMeta(ParticleIDMeta&&) = default;
+  ParticleIDMeta& operator=(ParticleIDMeta&&) = default;
+
   std::string algoName{};                ///< The name of the algorithm
-  int32_t algoType{0};                   ///< The (user defined) algorithm type
   std::vector<std::string> paramNames{}; ///< The names of the parameters
+
+  int32_t algoType() const {
+    return m_algoType;
+  }
+
+private:
+  int32_t m_algoType{0}; ///< The (user defined) algorithm type
 };
 
 /// Get the index of the parameter in the passed ParticleID meta info