AthViews/src_dflow/DFlowAlg2.cxx

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/*
  Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration
*/
 
// DFlowAlg2.cxx 
// Implementation file for class DFlowAlg2
// Author: S.Binet<binet@cern.ch>
 
// AthExStoreGateExample includes
#include "DFlowAlg2.h"
 
// STL includes
 
// FrameWork includes
#include "Gaudi/Property.h"
#include "StoreGate/ReadHandle.h"
#include "StoreGate/WriteHandle.h"
#include "StoreGate/UpdateHandle.h"
 
namespace AthViews {
 
// Athena Algorithm's Hooks
StatusCode DFlowAlg2::initialize()
{
  ATH_MSG_INFO ("Initializing " << name() << "...");
 
  CHECK( m_r_int.initialize() );
  CHECK( m_ints.initialize() );
  CHECK( m_testUpdate.initialize() );
 
  return StatusCode::SUCCESS;
}
 
StatusCode DFlowAlg2::finalize()
{
  ATH_MSG_INFO ("Finalizing " << name() << "...");
 
  return StatusCode::SUCCESS;
}
 
StatusCode DFlowAlg2::execute(const EventContext& ctx) const
{  
  ATH_MSG_DEBUG ("Executing " << name() << "...");
 
  SG::ReadHandle< int > inputHandle( m_r_int, ctx );
  ATH_MSG_INFO("================================");
  ATH_MSG_INFO("myint r-handle...");
  ATH_MSG_INFO("name: [" << inputHandle.name() << "]");
  ATH_MSG_INFO("store [" << inputHandle.store() << "]");
  ATH_MSG_INFO("clid: [" << inputHandle.clid() << "]");
 
  ATH_MSG_INFO("ptr: " << inputHandle.cptr());
  if ( inputHandle.isValid() )
  {
    ATH_MSG_INFO("val: " << *( inputHandle.cptr() ) );
  }
 
  SG::WriteHandle< std::vector< int > > outputHandle( m_ints, ctx );
  ATH_MSG_INFO("ints w-handle...");
  ATH_CHECK( outputHandle.record( std::make_unique< std::vector< int > >() ) );
  outputHandle->push_back( 10 );
 
  if ( inputHandle.isValid() )
  {
    outputHandle->push_back( *inputHandle );
  }
 
  ATH_MSG_INFO( "size:" << outputHandle->size() );
  for ( int i = 0, imax = outputHandle->size(); i != imax; ++i )
  {
    ATH_MSG_INFO( "val[" << i << "]= " << outputHandle->at( i ) );
  }
 
  // Test update handles
  SG::UpdateHandle< HiveDataObj > testUpdate( m_testUpdate, ctx );
  ATH_MSG_INFO( "Update handle before: " << testUpdate->val() );
  testUpdate->val( 1234 );
  ATH_MSG_INFO( "Update handle after: " << testUpdate->val() );
  *testUpdate = 4321;
  ATH_MSG_INFO( "Update handle new: " << testUpdate->val() );
 
  return StatusCode::SUCCESS;
}
 
} //> end namespace AthViews