SGDeleteAlg.cxx

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/*
  Copyright (C) 2002-2021 CERN for the benefit of the ATLAS collaboration
*/
 
#include "SGTools/DataProxy.h"
#include "SGTools/SGIFolder.h"
#include "StoreGate/StoreGateSvc.h"
 
#include "SGDeleteAlg.h"
 
using namespace std;
using namespace SG;
 
SGDeleteAlg::SGDeleteAlg(const std::string& name, ISvcLocator* isl) :
  AthAlgorithm(name, isl),
  m_targetStore("StoreGateSvc",name),
  m_toDelete("SG::Folder/ToDelete", this)
{
  declareProperty("TargetStore", m_targetStore, 
          "the store containing the items to be deleted");
  declareProperty("ToDelete", m_toDelete,
          "the SG::IFolder with a list of items to be deleted");
}
 
SGDeleteAlg::~SGDeleteAlg()
{}
 
StatusCode
SGDeleteAlg::initialize() {
  StatusCode sc;
  ATH_MSG_VERBOSE("Initializing " << name());
  (sc=m_targetStore.retrieve()).isSuccess() &&
    (sc=m_toDelete.retrieve()).isSuccess();
  return sc;
}
 
StatusCode
SGDeleteAlg::execute() 
{
  ATH_MSG_DEBUG("In execute");
  SG::IFolder::const_iterator i(m_toDelete->begin()); 
  SG::IFolder::const_iterator iEnd(m_toDelete->end());
 
  while (i != iEnd) { 
    //find proxy matching folder item and reset (delete) its contents
    DataProxy* p2d(m_targetStore->proxy(i->id(), i->key()));
    if (0 != p2d) {
      m_targetStore->clearProxyPayload(p2d);
      ATH_MSG_VERBOSE("cleared data object " 
              << p2d->clID() 
              << '/' << p2d->name());
    }
    ++i;
  }
  return StatusCode::SUCCESS;
}