| # Gaudi Framework, version v23r1 |

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# Gaudi::Utils::GetData< TYPE > Struct Template Reference

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

`#include <GetData.h>`

Inheritance diagram for Gaudi::Utils::GetData< TYPE >:
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List of all members.

## Public Types
typedef TYPE | Type
typedef _GetType< Type > ::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
| the only one essential method

## Detailed Description

### template<class TYPE>
struct Gaudi::Utils::GetData< TYPE >

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

Author:
  Vanya BELYAEV Ivan.Belyaev@nikhef.nl

Date:
  2008-07-22

Definition at line 67 of file GetData.h.

## Member Typedef Documentation

template<class TYPE>

typedef _GetType<Type>::return_type Gaudi::Utils::GetData< TYPE >::return_type

the actual return type

Definition at line 73 of file GetData.h.

template<class TYPE>

typedef TYPE Gaudi::Utils::GetData< TYPE >::Type

Definition at line 71 of file GetData.h.

## Member Function Documentation

template<class TYPE>
template<class COMMON >

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

use Data Provider Service

check the data

debug printout

Definition at line 85 of file GetData.h.

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

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

- /afs/cern.ch/sw/Gaudi/releases/GAUDI/GAUDI_v23r1/GaudiAlg/GaudiAlg/GetData.h

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