RecordOutputStream.cpp

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/***********************************************************************************\
* (c) Copyright 1998-2023 CERN for the benefit of the LHCb and ATLAS collaborations *
*                                                                                   *
* This software is distributed under the terms of the Apache version 2 licence,     *
* copied verbatim in the file "LICENSE".                                            *
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#include "RecordOutputStream.h"
#include <GaudiKernel/DataObject.h>
 
// ----------------------------------------------------------------------------
// Implementation file for class: RecordOutputStream
//
// 30/08/2013: Marco Clemencic
// ----------------------------------------------------------------------------
DECLARE_COMPONENT( RecordOutputStream )
 
// ============================================================================
// Initialization
// ============================================================================
StatusCode RecordOutputStream::initialize() {
  StatusCode sc = Algorithm::initialize(); // must be executed first
  if ( sc.isFailure() ) return sc;         // error printed already by Algorithm
 
  if ( msgLevel( MSG::DEBUG ) ) debug() << "==> Initialize" << endmsg;
 
  if ( m_streamName.empty() ) {
    m_streamName = "Deferred:" + name();
    debug() << "Using default OutputStreamName: '" << m_streamName << "'" << endmsg;
  }
 
  m_flagLocation = locationRoot() + "/" + m_streamName;
  return StatusCode::SUCCESS;
}
 
// ============================================================================
// Main execution
// ============================================================================
StatusCode RecordOutputStream::execute() {
  if ( msgLevel( MSG::DEBUG ) ) debug() << "==> Execute" << endmsg;
 
  DataObject* tmp = nullptr;
  if ( !eventSvc()->retrieveObject( m_flagLocation, tmp ) ) {
    tmp = new DataObject();
    return eventSvc()->registerObject( m_flagLocation, tmp );
  }
  return StatusCode::SUCCESS;
}