Deprecate PodioInput and Output

Author: tmadlener

k4FWCore/components/PodioInput.cpp

@@ -160,6 +160,7 @@ PodioInput::PodioInput(const std::string& name, ISvcLocator* svcLoc) : Consumer(
 }
 
 StatusCode PodioInput::initialize() {
+  warning() << "PodioInput is deprecated and will be removed. Use the IOSvc instead" << endmsg;
   // If someone uses the collections property from the command line and passes
   // an empty string we assume they want all collections (as a simple way to
   // override whatever is in the options file)
@@ -173,6 +174,11 @@ StatusCode PodioInput::initialize() {
   return StatusCode::SUCCESS;
 }
 
+StatusCode PodioInput::finalize() {
+  warning() << "PodioInput is deprecated and will be removed. Use the IOSvc instead" << endmsg;
+  return StatusCode::SUCCESS;
+}
+
 void PodioInput::operator()() const {
   if (m_podioDataSvc->getEventFrame().get(edm4hep::labels::EventHeader)) {
     m_readers[edm4hep::EventHeaderCollection::typeName](edm4hep::labels::EventHeader);

k4FWCore/components/PodioInput.h

@@ -37,12 +37,14 @@ class PodioDataSvc;
 
 using BaseClass_t = Gaudi::Functional::Traits::BaseClass_t<Gaudi::Algorithm>;
 
-class PodioInput final : public Gaudi::Functional::Consumer<void(), BaseClass_t> {
+class [[deprecated("Use the IOSvc instead")]] PodioInput final
+    : public Gaudi::Functional::Consumer<void(), BaseClass_t> {
 public:
   PodioInput(const std::string& name, ISvcLocator* svcLoc);
   void operator()() const override;
 
   StatusCode initialize() final;
+  StatusCode finalize() final;
 
 private:
   template <typename T>

k4FWCore/components/PodioOutput.cpp

@@ -31,6 +31,7 @@ PodioOutput::PodioOutput(const std::string& name, ISvcLocator* svcLoc)
     : Gaudi::Algorithm(name, svcLoc), m_firstEvent(true) {}
 
 StatusCode PodioOutput::initialize() {
+  warning() << "PodioOutput is deprecated and will be removed. Use the IOSvc instead" << endmsg;
   if (Gaudi::Algorithm::initialize().isFailure())
     return StatusCode::FAILURE;
 
@@ -106,6 +107,8 @@ StatusCode PodioOutput::execute(const EventContext&) const {
  *
  */
 StatusCode PodioOutput::finalize() {
+  warning() << "PodioOutput is deprecated and will be removed. Use the IOSvc instead" << endmsg;
+
   if (Gaudi::Algorithm::finalize().isFailure())
     return StatusCode::FAILURE;
   //// prepare job options metadata ///////////////////////

k4FWCore/components/PodioOutput.h

@@ -28,7 +28,7 @@
 // forward declarations
 class PodioDataSvc;
 
-class PodioOutput : public Gaudi::Algorithm {
+class [[deprecated("Use the IOSvc instead")]] PodioOutput : public Gaudi::Algorithm {
 public:
   /// Constructor.
   PodioOutput(const std::string& name, ISvcLocator* svcLoc);