Gaudi::Utils::GetOrCreateData< TYPE, TYPE2 > Struct Template Reference

Helper structure for implementation of "getOrCreate"-functions for GaudiCommon<BASE> More...

#include <GetData.h>

Inheritance diagram for Gaudi::Utils::GetOrCreateData< TYPE, TYPE2 >:

Public Types
typedef Getter::Type	Type
typedef Getter::return_type	return_type
	the actual return type

Public Member Functions
template<class COMMON >
return_type	operator() (const COMMON &common, IDataProviderSvc *service, const std::string &location, const std::string &location2) const
	the only one essential method

Private Types
typedef GetData< TYPE >	Getter
	the actual data getter

Detailed Description

template<class TYPE, class TYPE2>
struct Gaudi::Utils::GetOrCreateData< TYPE, TYPE2 >

Helper structure for implementation of "getOrCreate"-functions for GaudiCommon<BASE>

Author

Vanya BELYAEV Ivan..nosp@m.Bely.nosp@m.aev@n.nosp@m.ikhe.nosp@m.f.nl

Date

2008-07-22

Definition at line 404 of file GetData.h.

Member Typedef Documentation

template<class TYPE, class TYPE2>

typedef GetData<TYPE> Gaudi::Utils::GetOrCreateData< TYPE, TYPE2 >::Getter

private

the actual data getter

Definition at line 409 of file GetData.h.

template<class TYPE, class TYPE2>

typedef Getter::return_type Gaudi::Utils::GetOrCreateData< TYPE, TYPE2 >::return_type

the actual return type

Definition at line 415 of file GetData.h.

template<class TYPE, class TYPE2>

typedef Getter::Type Gaudi::Utils::GetOrCreateData< TYPE, TYPE2 >::Type

Definition at line 413 of file GetData.h.

Member Function Documentation

template<class TYPE, class TYPE2>

template<class COMMON >

return_type Gaudi::Utils::GetOrCreateData< TYPE, TYPE2 >::operator() ( const COMMON &  common, IDataProviderSvc *  service, const std::string &  location, const std::string &  location2  ) const

inline

the only one essential method

Parameters

common	the actual "worker"
service	pointer to Data Provider Service
location	location of objects in TES

Returns

the data

check the data

Definition at line 427 of file GetData.h.

      {
        SmartDataPtr<TYPE> obj ( service , location ) ;
        if ( !obj )
        {
          TYPE2* o = new TYPE2() ;
          common.put ( service , o , location2 ) ;
          if ( common.msgLevel ( MSG::DEBUG ) )
          { common.debug() << "The object of type '"
                           << System::typeinfoName(typeid(*o))
                           << "' has been created from TS at address '"
                           << location2 << "'" << endmsg ; }
          return_type _o = o ;
          return _o ;
        }
        return_type ret = obj ;
        common.Assert ( !(!ret) , "get():: No valid data at '" + location + "'"  ) ;
        if ( common.msgLevel ( MSG::DEBUG ) )
        { common.debug() << "The object of type '"
                         << System::typeinfoName(typeid(*ret))
                         << "' has been retrieved from TS at address '"
                         << location << "'" << endmsg ; }
        // return *VALID* data
        return ret ;
        // ====================================================================
      }

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The documentation for this struct was generated from the following file:

• /afs/cern.ch/sw/Gaudi/releases/GAUDI/GAUDI_v23r7/GaudiAlg/GaudiAlg/GetData.h