ISvcManager.h

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/***********************************************************************************\
* (c) Copyright 1998-2019 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".                                            *
*                                                                                   *
* In applying this licence, CERN does not waive the privileges and immunities       *
* granted to it by virtue of its status as an Intergovernmental Organization        *
* or submit itself to any jurisdiction.                                             *
\***********************************************************************************/
#ifndef GAUDIKERNEL_ISVCMANAGER_H
#define GAUDIKERNEL_ISVCMANAGER_H

// Include files
#include "GaudiKernel/IComponentManager.h"
#include "GaudiKernel/SmartIF.h"
#include "GaudiKernel/TypeNameString.h"
#include <string>

// Forward class declaration
#if defined( GAUDI_V20_COMPAT ) || ( !defined( GAUDI_V22_API ) || defined( G22_NEW_SVCLOCATOR ) )
class ISvcFactory;
#  include "GaudiKernel/IService.h"
#else
class IService;
#endif
class ISvcLocator;

class GAUDI_API ISvcManager : virtual public IComponentManager {
public:
  DeclareInterfaceID( ISvcManager, 4, 0 );

  static const int DEFAULT_SVC_PRIORITY = 100;

  virtual StatusCode addService( IService* svc, int prio = DEFAULT_SVC_PRIORITY ) = 0;

#if !defined( GAUDI_V22_API ) || defined( G22_NEW_SVCLOCATOR )

  virtual StatusCode addService( const std::string& typ, const std::string& nam, int prio ) {
    return addService( Gaudi::Utils::TypeNameString( nam, typ ), prio );
  }
#endif

  virtual StatusCode addService( const Gaudi::Utils::TypeNameString& nametype, int prio = DEFAULT_SVC_PRIORITY ) = 0;

  virtual StatusCode removeService( IService* svc ) = 0;

  virtual StatusCode removeService( const std::string& nam ) = 0;

#if !defined( GAUDI_V22_API ) || defined( G22_NEW_SVCLOCATOR )

  virtual StatusCode declareSvcFactory( const ISvcFactory& /*factory*/, const std::string& /*svctype*/ ) {
    // This function is never used.
    return StatusCode::FAILURE;
  }
#endif

  virtual StatusCode declareSvcType( const std::string& svcname, const std::string& svctype ) = 0;

  virtual SmartIF<IService>& createService( const Gaudi::Utils::TypeNameString& nametype ) = 0;

#if !defined( GAUDI_V22_API ) || defined( G22_NEW_SVCLOCATOR )

  virtual StatusCode createService( const std::string& svctype, const std::string& svcname, IService*& svc ) {
    SmartIF<IService> s = createService( svctype + "/" + svcname );
    svc                 = s.get();
    if ( svc ) {
      svc->addRef(); // Needed to maintain the correct reference counting.
      return StatusCode::SUCCESS;
    }
    return StatusCode::FAILURE;
  }

  virtual StatusCode getFactory( const std::string& /*svc_type*/, const ISvcFactory*& /*fac*/ ) const {
    // This function is never used.
    return StatusCode::FAILURE;
  }

  virtual StatusCode initializeServices() { return initialize(); }

  virtual StatusCode startServices() { return start(); }

  virtual StatusCode stopServices() { return stop(); }

  virtual StatusCode finalizeServices() { return finalize(); }

  virtual StatusCode reinitializeServices() { return reinitialize(); }

  virtual StatusCode restartServices() { return restart(); }
#endif

  virtual int        getPriority( const std::string& name ) const    = 0;
  virtual StatusCode setPriority( const std::string& name, int pri ) = 0;

  virtual bool loopCheckEnabled() const = 0;
  virtual void setLoopCheckEnabled( bool en = true ) = 0;
};

#endif // GAUDIKERNEL_ISVCMANAGER_H