From 92c26687ef5ca313073a977a4da85ba849b6d3c8 Mon Sep 17 00:00:00 2001
From: Thomas Madlener <thomas.madlener@desy.de>
Date: Tue, 19 Nov 2024 20:54:30 +0100
Subject: [PATCH] Make sure that weights are stored in struct

Otherwise ROOT does something clever and simply stores the float without
the struct. Which makes the switch over a bit less transparent.
---
 include/podio/detail/LinkCollectionImpl.h | 2 +-
 src/selection.xml                         | 3 +++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/include/podio/detail/LinkCollectionImpl.h b/include/podio/detail/LinkCollectionImpl.h
index fe1a61ace..de62b2c4f 100644
--- a/include/podio/detail/LinkCollectionImpl.h
+++ b/include/podio/detail/LinkCollectionImpl.h
@@ -188,7 +188,7 @@ class LinkCollection : public podio::CollectionBase {
   }
 
   const std::string_view getDataTypeName() const override {
-    return "float";
+    return "podio::LinkData";
   }
 
   bool isSubsetCollection() const override {
diff --git a/src/selection.xml b/src/selection.xml
index 82acdc661..477c9f7fa 100644
--- a/src/selection.xml
+++ b/src/selection.xml
@@ -43,5 +43,8 @@
     <class name="podio::UserDataCollection<uint32_t>"/>
     <class name="podio::UserDataCollection<uint64_t>"/>
 
+    <class name="podio::LinkData"/>
+    <class name="std::vector<podio::LinkData>"/>
+
   </selection>
 </lcgdict>