From 72644a26ecc363a97e0f955d0914d319f10c3bd8 Mon Sep 17 00:00:00 2001
From: Juan Miguel Carceller <22276694+jmcarcell@users.noreply.github.com>
Date: Fri, 23 Feb 2024 16:59:38 +0100
Subject: [PATCH] Fix warnings related to the ROOTFrameReader and
 ROOTFrameWriter (#180)

---
 k4FWCore/components/PodioOutput.cpp      |  2 +-
 k4FWCore/components/PodioOutput.h        | 10 +++++++++-
 k4FWCore/include/k4FWCore/PodioDataSvc.h | 10 +++++++++-
 3 files changed, 19 insertions(+), 3 deletions(-)

diff --git a/k4FWCore/components/PodioOutput.cpp b/k4FWCore/components/PodioOutput.cpp
index f5d55906..ea11fa68 100644
--- a/k4FWCore/components/PodioOutput.cpp
+++ b/k4FWCore/components/PodioOutput.cpp
@@ -38,7 +38,7 @@ StatusCode PodioOutput::initialize() {
     return StatusCode::FAILURE;
   }
 
-  m_framewriter = std::make_unique<podio::ROOTFrameWriter>(m_filename);
+  m_framewriter = std::make_unique<podio::ROOTWriter>(m_filename);
   m_switch      = KeepDropSwitch(m_outputCommands);
 
   return StatusCode::SUCCESS;
diff --git a/k4FWCore/components/PodioOutput.h b/k4FWCore/components/PodioOutput.h
index 16d40898..16066004 100644
--- a/k4FWCore/components/PodioOutput.h
+++ b/k4FWCore/components/PodioOutput.h
@@ -22,7 +22,15 @@
 #include "GaudiAlg/GaudiAlgorithm.h"
 #include "k4FWCore/KeepDropSwitch.h"
 #include "podio/CollectionBase.h"
+#include "podio/podioVersion.h"
+#if PODIO_BUILD_VERSION >= PODIO_VERSION(0, 99, 0)
+#include "podio/ROOTWriter.h"
+#else
 #include "podio/ROOTFrameWriter.h"
+namespace podio {
+  using ROOTWriter = podio::ROOTFrameWriter;
+}
+#endif
 
 #include <vector>
 
@@ -56,7 +64,7 @@ class PodioOutput : public GaudiAlgorithm {
   KeepDropSwitch m_switch;
   PodioDataSvc*  m_podioDataSvc;
   /// The actual ROOT frame writer
-  std::unique_ptr<podio::ROOTFrameWriter> m_framewriter;
+  std::unique_ptr<podio::ROOTWriter> m_framewriter;
   /// The stored collections
   std::vector<podio::CollectionBase*> m_storedCollections;
   /// The collections to write out
diff --git a/k4FWCore/include/k4FWCore/PodioDataSvc.h b/k4FWCore/include/k4FWCore/PodioDataSvc.h
index d5030bed..e64b4626 100644
--- a/k4FWCore/include/k4FWCore/PodioDataSvc.h
+++ b/k4FWCore/include/k4FWCore/PodioDataSvc.h
@@ -26,7 +26,15 @@
 #include "podio/CollectionBase.h"
 #include "podio/CollectionIDTable.h"
 #include "podio/Frame.h"
+#include "podio/podioVersion.h"
+#if PODIO_BUILD_VERSION >= PODIO_VERSION(0, 99, 0)
+#include "podio/ROOTReader.h"
+#else
 #include "podio/ROOTFrameReader.h"
+namespace podio {
+  using ROOTReader = podio::ROOTFrameReader;
+}
+#endif
 // Forward declarations
 #include "k4FWCore/DataWrapper.h"
 class DataWrapperBase;
@@ -95,7 +103,7 @@ class PodioDataSvc : public DataSvc {
 
 private:
   /// PODIO reader for ROOT files
-  podio::ROOTFrameReader m_reader;
+  podio::ROOTReader m_reader;
   /// PODIO Frame, used to initialise collections
   podio::Frame m_eventframe;
   /// PODIO Frame, used to store metadata