From 3b3482090f7d2a233f0f8965f4834e17f6a5ed52 Mon Sep 17 00:00:00 2001
From: Giulio Eulisse <10544+ktf@users.noreply.github.com>
Date: Wed, 2 Jun 2021 14:49:04 +0200
Subject: [PATCH] DPL Analysis: out-of-Line LabelMap

---
 Framework/Core/include/Framework/Array2D.h | 34 +++++-----------------
 Framework/Core/src/Array2D.cxx             | 31 ++++++++++++++++++++
 2 files changed, 39 insertions(+), 26 deletions(-)

diff --git a/Framework/Core/include/Framework/Array2D.h b/Framework/Core/include/Framework/Array2D.h
index bcdd1b363afec..1f0a0077ddf79 100644
--- a/Framework/Core/include/Framework/Array2D.h
+++ b/Framework/Core/include/Framework/Array2D.h
@@ -15,6 +15,7 @@
 #include <unordered_map>
 #include <memory>
 #include <string>
+extern template class std::unordered_map<std::string, u_int32_t>;
 
 namespace o2::framework
 {
@@ -121,36 +122,17 @@ struct Array2D {
 
 static constexpr const char* const labels_rows_str = "labels_rows";
 static constexpr const char* const labels_cols_str = "labels_cols";
-
 using labelmap_t = std::unordered_map<std::string, uint32_t>;
 struct LabelMap {
-  LabelMap()
-    : rowmap{},
-      colmap{},
-      labels_rows{},
-      labels_cols{}
-  {
-  }
-  LabelMap(uint32_t rows, uint32_t cols, std::vector<std::string> labels_rows_, std::vector<std::string> labels_cols_)
-    : rowmap{populate(rows, labels_rows_)},
-      colmap{populate(cols, labels_cols_)},
-      labels_rows{labels_rows_},
-      labels_cols{labels_cols_}
-  {
-  }
+  LabelMap();
+  LabelMap(uint32_t rows, uint32_t cols, std::vector<std::string> labels_rows_, std::vector<std::string> labels_cols_);
 
-  LabelMap(uint32_t size, std::vector<std::string> labels)
-    : rowmap{},
-      colmap{populate(size, labels)},
-      labels_rows{},
-      labels_cols{labels}
-  {
-  }
+  LabelMap(uint32_t size, std::vector<std::string> labels);
 
-  LabelMap(LabelMap const& other) = default;
-  LabelMap(LabelMap&& other) = default;
-  LabelMap& operator=(LabelMap const& other) = default;
-  LabelMap& operator=(LabelMap&& other) = default;
+  LabelMap(LabelMap const& other);
+  LabelMap(LabelMap&& other);
+  LabelMap& operator=(LabelMap const& other);
+  LabelMap& operator=(LabelMap&& other);
 
   labelmap_t rowmap;
   labelmap_t colmap;
diff --git a/Framework/Core/src/Array2D.cxx b/Framework/Core/src/Array2D.cxx
index 0d1cc8f00480d..5d76fb461ea40 100644
--- a/Framework/Core/src/Array2D.cxx
+++ b/Framework/Core/src/Array2D.cxx
@@ -12,8 +12,11 @@
 #include <Framework/RuntimeError.h>
 #include <Framework/CompilerBuiltins.h>
 
+template class std::unordered_map<std::string, u_int32_t>;
+
 namespace o2::framework
 {
+
 labelmap_t LabelMap::populate(uint32_t size, std::vector<std::string> labels)
 {
   labelmap_t map;
@@ -47,5 +50,33 @@ void LabelMap::replaceLabelsCols(uint32_t size, std::vector<std::string> const&
   colmap.clear();
   colmap = populate(labels.size(), labels);
 }
+LabelMap::LabelMap()
+  : rowmap{},
+    colmap{},
+    labels_rows{},
+    labels_cols{}
+{
+}
+
+LabelMap::LabelMap(uint32_t rows, uint32_t cols, std::vector<std::string> labels_rows_, std::vector<std::string> labels_cols_)
+  : rowmap{populate(rows, labels_rows_)},
+    colmap{populate(cols, labels_cols_)},
+    labels_rows{labels_rows_},
+    labels_cols{labels_cols_}
+{
+}
+
+LabelMap::LabelMap(uint32_t size, std::vector<std::string> labels)
+  : rowmap{},
+    colmap{populate(size, labels)},
+    labels_rows{},
+    labels_cols{labels}
+{
+}
+
+LabelMap::LabelMap(LabelMap const& other) = default;
+LabelMap::LabelMap(LabelMap&& other) = default;
+LabelMap& LabelMap::operator=(LabelMap const& other) = default;
+LabelMap& LabelMap::operator=(LabelMap&& other) = default;
 
 } // namespace o2::framework