VP1SGAccessHelper.icc

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/*
  Copyright (C) 2002-2023 CERN for the benefit of the ATLAS collaboration
*/
 
#include "VP1Base/VP1Msg.h"
 
template <typename T>
inline const T* VP1SGAccessHelper::retrieve( const QString& key ) const
{
  if (VP1Msg::verbose())
    messageVerbose("retrieve(..) called with key = "+key+" for type "+QString(typeid(T).name()));
 
  if (!storeGate()) {
    message("ERROR Does not have StoreGate pointer. Returning null pointer.");
    return 0;
  }
 
  if (key.isEmpty()) {
    message("ERROR retrieve called with empty key. Returning null pointer.");
    return 0;
  }
 
  if (!contains(ClassID_traits<T>::ID(),key)) {
    messageDebug("WARNING retrieve called for key="+key+", which is not found in storeGate.");
    return 0;
  }
 
  const T* t(0);
  bool exception = true;
  // StatusCode sc;
  try {
    t = storeGate()->retrieve<const T>(key.toStdString());
    exception = false;
  } catch (const std::runtime_error& e) {
    exception = true;
    t = 0;
  }
  if (exception ) {
    message("ERROR: Exception thrown during call to StoreGateSvc::retrieve(..) with key="+key);
    // sc.isFailure();//To make sure it is checked.
    return 0;
  }
  if (!t) {
    message("ERROR: Failed StoreGateSvc::retrieve(..) with key="+key+" claimed to be succesful, but resulted in NULL pointer.");
    return 0;
  }
  if (VP1Msg::verbose())
    messageVerbose("Succesfully retrieved collection "+key);
  return t;
}
 
template <typename T>
inline bool VP1SGAccessHelper::retrieve( const T* & t, const QString& key ) const
{
  t = retrieve<T>(key);
  return t != 0;
}
 
template <typename T>
inline bool VP1SGAccessHelper::retrieve(SG::ConstIterator<T>& begin, SG::ConstIterator<T>& end, bool silent )
{
 
  if (VP1Msg::verbose())
    messageVerbose("retrieve(DataHandle<"+QString(typeid(T).name())+">,DataHandle<"
           +QString(typeid(T).name())+">) called.");
  if (!storeGate()) {
    QString str("ERROR Does not have StoreGate pointer. Returning null pointer.");
    silent ? messageVerbose(str) : message(str);
    return false;
  }
 
  bool exception = true;
  StatusCode sc;
  try {
    sc = storeGate()->retrieve(begin,end);
    exception = false;
  } catch (const std::runtime_error& e) {
    exception = true;
  }
  if (exception) {
    QString str("ERROR: Exception thrown during call to StoreGateSvc::retrieve(DataHandle<"
        +QString(typeid(T).name())+">,DataHandle<"+QString(typeid(T).name())+">)"); 
    silent ? messageVerbose(str) : message(str);
    sc.isFailure();//To make sure it is checked.
    return false;
  }
  if (sc.isFailure()) {
    QString str( "ERROR: Failed StoreGateSvc::retrieve(DataHandle<"
         +QString(typeid(T).name())+">,DataHandle<"
         +QString(typeid(T).name())+">)");
    silent ? messageVerbose(str) : message(str);
    return false;
  }
 
  if (VP1Msg::verbose())
    messageVerbose("Successfully retrieved datahandles to "+QString(typeid(T).name())+".");
  return true;
}