| # Gaudi Framework, version v21r11 |

Home |  | Generated: 30 Sep 2010

# GaudiAlgorithm Class Reference

The useful base class for data processing algorithms. More...

`#include <GaudiAlg/GaudiAlgorithm.h>`

Inheritance diagram for GaudiAlgorithm:
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Collaboration diagram for GaudiAlgorithm:
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List of all members.

## Public Member Functions
virtual StatusCode | initialize ()
| standard initialization method
virtual StatusCode | execute ()
| standard execution method
virtual StatusCode | finalize ()
| standard finalization method
virtual StatusCode | sysExecute ()
| the generic actions for the execution.
void | put (IDataProviderSvc *svc, DataObject *object, const std::string &address, const bool useRootInTES=true) const
| Register a data object or container into Gaudi Event Transient Store.
void | put (DataObject *object, const std::string &address, const bool useRootInTES=true) const
| Register a data object or container into Gaudi Event Transient Store.
template<class TYPE>
Gaudi::Utils::GetData< TYPE > ::return_type | get (IDataProviderSvc *svc, const std::string &location, const bool useRootInTES=true) const
| Templated access to the data in Gaudi Transient Store.
template<class TYPE>
Gaudi::Utils::GetData< TYPE > ::return_type | get (const std::string &location, const bool useRootInTES=true) const
| Templated access to the data from Gaudi Event Transient Store.
template<class TYPE>
TYPE * | getDet (IDataProviderSvc *svc, const std::string &location) const
| Templated access to the detector data from the Gaudi Detector Transient Store.
template<class TYPE>
TYPE * | getDet (const std::string &location) const
| Templated access to the detector data from the Gaudi Detector Transient Store.
template<class TYPE>
bool | exist (IDataProviderSvc *svc, const std::string &location, const bool useRootInTES=true) const
| Check the existence of a data object or container in the Gaudi Transient Event Store.
template<class TYPE>
bool | exist (const std::string &location, const bool useRootInTES=true) const
| Check the existence of a data object or container in the Gaudi Transient Event Store.
template<class TYPE>
bool | existDet (IDataProviderSvc *svc, const std::string &location) const
| Check the existence of detector objects in the Gaudi Transient Detector Store.
template<class TYPE>
bool | existDet (const std::string &location) const
| Check the existence of detector objects in the Gaudi Transient Detector Store.
template<class TYPE, class TYPE2>
Gaudi::Utils::GetData< TYPE > ::return_type | getOrCreate (IDataProviderSvc *svc, const std::string &location, const bool useRootInTES=true) const
| Get the existing data object from Gaudi Event Transient store.
template<class TYPE, class TYPE2>
Gaudi::Utils::GetData< TYPE > ::return_type | getOrCreate (const std::string &location, const bool useRootInTES=true) const
| Get the existing data object from Gaudi Event Transient store.
| GaudiAlgorithm (const std::string &name, ISvcLocator *pSvcLocator)
| Standard constructor (protected).
virtual | ~GaudiAlgorithm ()
| destructor, virtual and protected
SmartIF< INTupleSvc > & | evtColSvc () const
| Access the standard event collection service.
## Private Member Functions
| GaudiAlgorithm ()
| no public default constructor
| GaudiAlgorithm (const GaudiAlgorithm &)
| no public copy
GaudiAlgorithm & | operator= (const GaudiAlgorithm &)
| no public assignment
## Private Attributes
SmartIF< INTupleSvc > | m_evtColSvc
| Event Tag Collection Service.
std::vector< std::string > | m_vetoObjs
| skip the event if any of these objects are present in TES
std::vector< std::string > | m_requireObjs
| process the event only if one or more of these objects are present in TES
## Friends
class | AlgFactory< GaudiAlgorithm >

## Detailed Description

The useful base class for data processing algorithms.

Small extension of ordinary the Algorithm base class.

This base class allows "easy"(=="1 line") access to tools and services. This access is safe in the sense that there is no need to worry about the reference counts for tools and services.

The base class allows "easy" (=="1 line") access to data in Gaudi Transient Stores. The functionality includes the checking of the presence of the data at the given location, checking the validity of the data, retrieval of valid data and "forced" retrieve of valid data (create if there is no data).

The base class allows to perform an easy error, warning and exception treatments, including the accumulated statistics of exceptions, errors and warnings.

The base class also includes utilities for general statistical counters.

It has been reported that usage of this base class results in significant shrinkage of existing code lines.

Attention:
  See also the class GaudiCommon, which implements some of the common functionality between GaudiTool and GaudiAlgorithm.

Author:
  Vanya BELYAEV Ivan.Belyaev@itep.ru

  Chris Jones Christopher.Rob.Jones@cern.ch

Date:
  30/06/2001

Definition at line 95 of file GaudiAlgorithm.h.

## Constructor & Destructor Documentation

GaudiAlgorithm::GaudiAlgorithm | ( | const std::string & | name,
|  | ISvcLocator * | pSvcLocator |
| ) |  |  |

Standard constructor (protected).

See also:
  Algorithm

Parameters:

  | name | name of the algorithm
  | pSvcLocator | pointer to Service Locator

Definition at line 36 of file GaudiAlgorithm.cpp.

    00038   : GaudiCommon<Algorithm> ( name , pSvcLocator )
    00039   //
    00040   , m_evtColSvc  ()  // pointer to Event Tag Collection Service
    00041 {
    00042   m_vetoObjs.clear();
    00043   m_requireObjs.clear();
    00044
    00045   setProperty ( "RegisterForContextService" , true ).ignore() ;
    00046
    00047   declareProperty( "VetoObjects", m_vetoObjs,
    00048                    "Skip execute if one or more of these TES objects exists" );
    00049   declareProperty( "RequireObjects", m_requireObjs,
    00050                    "Execute only if one or more of these TES objects exists" );
    00051 }

GaudiAlgorithm::~GaudiAlgorithm | ( |  | ) | `[virtual]`

destructor, virtual and protected

Definition at line 55 of file GaudiAlgorithm.cpp.

    00055 { }

GaudiAlgorithm::GaudiAlgorithm | ( |  | ) | `[private]`

no public default constructor

GaudiAlgorithm::GaudiAlgorithm | ( | const GaudiAlgorithm & |  | ) | `[private]`

no public copy

## Member Function Documentation

StatusCode GaudiAlgorithm::initialize | ( |  | ) | `[virtual]`

standard initialization method

See also:
  Algorithm

  IAlgorithm

Returns:
  status code

Reimplemented from GaudiCommon< Algorithm >.

Reimplemented in GaudiHistoAlg, GaudiSequencer, GaudiTupleAlg, Prescaler, GaudiHistos< GaudiAlgorithm >, and GaudiTuples< GaudiHistoAlg >.

Definition at line 59 of file GaudiAlgorithm.cpp.

    00060 {
    00061   // initialize the base class
    00062   const StatusCode sc = GaudiCommon<Algorithm>::initialize() ;
    00063   if ( sc.isFailure() ) { return sc; }
    00064
    00065   // Add any customisations here, that cannot go in GaudiCommon
    00066
    00067   // return
    00068   return sc;
    00069 }

StatusCode GaudiAlgorithm::execute | ( |  | ) | `[virtual]`

standard execution method

See also:
  Algorithm

  IAlgorithm

Returns:
  status code

Reimplemented in GaudiSequencer, and Prescaler.

Definition at line 87 of file GaudiAlgorithm.cpp.

    00088 {
    00089   return Error ( "Default GaudiAlgorithm execute method called !!" ) ;
    00090 }

StatusCode GaudiAlgorithm::finalize | ( |  | ) | `[virtual]`

standard finalization method

See also:
  Algorithm

  IAlgorithm

Returns:
  status code

Reimplemented from GaudiCommon< Algorithm >.

Reimplemented in GaudiHistoAlg, GaudiSequencer, GaudiTupleAlg, Prescaler, GaudiHistos< GaudiAlgorithm >, and GaudiTuples< GaudiHistoAlg >.

Definition at line 73 of file GaudiAlgorithm.cpp.

    00074 {
    00075   if ( msgLevel(MSG::DEBUG) )
    00076     debug() << "Finalize base class GaudiAlgorithm" << endmsg;
    00077
    00078   // reset pointers
    00079   m_evtColSvc.reset() ;
    00080
    00081   // finalize the base class and return
    00082   return GaudiCommon<Algorithm>::finalize() ;
    00083 }

StatusCode GaudiAlgorithm::sysExecute | ( |  | ) | `[virtual]`

the generic actions for the execution.

See also:
  Algorithm

  IAlgorithm

  Algorithm::sysExecute

Returns:
  status code

< guard/sentry

Reimplemented from Algorithm.

Definition at line 109 of file GaudiAlgorithm.cpp.

    00110 {
    00111   IAlgContextSvc* ctx = 0 ;
    00112   if ( registerContext() ) { ctx = contextSvc() ; }
    00113   // Lock the context
    00114   Gaudi::Utils::AlgContext cnt ( ctx , this ) ;
    00115
    00116   // Do not execute if one or more of the m_vetoObjs exist in TES
    00117   for( std::vector<std::string>::iterator it  = m_vetoObjs.begin();
    00118                                           it != m_vetoObjs.end(); it++ ) {
    00119     if( exist<DataObject>(*it) ) {
    00120       debug() << *it << " found, skipping event " << endmsg;
    00121       return StatusCode::SUCCESS;
    00122     }
    00123   }
    00124
    00125   // Execute if m_requireObjs is empty
    00126   bool doIt = m_requireObjs.empty() ? true : false;
    00127
    00128   // Execute also if one or more of the m_requireObjs exist in TES
    00129   for( std::vector<std::string>::iterator it  = m_requireObjs.begin();
    00130                                           it != m_requireObjs.end(); it++ ) {
    00131     if( exist<DataObject>(*it) ) {
    00132       doIt = true;
    00133       break;
    00134     }
    00135   }
    00136
    00137   if( doIt )
    00138     // execute the generic method:
    00139     return Algorithm::sysExecute() ;
    00140   else
    00141     return StatusCode::SUCCESS;
    00142 }

void GaudiAlgorithm::put | ( | IDataProviderSvc * | svc,
|  | DataObject * | object,
|  | const std::string & | address,
|  | const bool | useRootInTES = `true` |
| ) |  |  | const`[inline]`

Register a data object or container into Gaudi Event Transient Store.

      MCHits * hits = new MCHits();
      put( evtSvc(), hits, "/Event/MC/Hits" );

Attention:
  The method respects the setting of the job option RootInTES by prepending the value of this to the data location that is passed. The default setting for RootInTES is "" so has no effect. This behavior can be suppressed by passing the argument useRootInTES = false

See also:
  IDataProviderSvc

Parameters:

  | svc | Pointer to data provider service
  | object | Data object or container to be registered
  | address | Address in Gaudi Event Transient Store ("/Event" could be omitted )
  | useRootInTES | Flag to turn on(TRUE) off(FALSE) the use of the RootInTES location property

Exceptions:

  | GaudiException | for invalid event data service
  | GaudiException | for invalid object
  | GaudiException | for error result from event data service

Returns:
  StatusCode

Return values:

  | StatusCode::SUCCESS | Data was successfully placed in the TES.
  | StatusCode::FAILURE | Failed to store data in the TES.

Reimplemented from GaudiCommon< Algorithm >.

Definition at line 169 of file GaudiAlgorithm.h.

    00173   {
    00174     GaudiCommon<Algorithm>::put ( svc , object , address , useRootInTES ) ;
    00175   }

void GaudiAlgorithm::put | ( | DataObject * | object,
|  | const std::string & | address,
|  | const bool | useRootInTES = `true` |
| ) |  |  | const`[inline]`

Register a data object or container into Gaudi Event Transient Store.

See also:
  IDataProviderSvc

      MCHits * hits = new MCHits();
      put( hits, "/Event/MC/Hits" );

Attention:
  The method respects the setting of the job option RootInTES by prepending the value of this to the data location that is passed. The default setting for RootInTES is "" so has no effect. This behavior can be suppressed by passing the argument useRootInTES = false

Parameters:

  | object | Data object or container to be registered
  | address | Address in Gaudi Event Transient Store ("/Event" could be omitted )
  | useRootInTES | Flag to turn on(TRUE) off(FALSE) the use of the RootInTES location property

Exceptions:

  | GaudiException | for invalid event data service
  | GaudiException | for invalid object
  | GaudiException | for error result from event data service

Returns:
  StatusCode

Return values:

  | StatusCode::SUCCESS | Data was successfully placed in the TES.
  | StatusCode::FAILURE | Failed to store data in the TES.

Definition at line 208 of file GaudiAlgorithm.h.

    00211   {
    00212     GaudiCommon<Algorithm>::put ( evtSvc() , object , address , useRootInTES ) ;
    00213   }

template<class TYPE>

Gaudi::Utils::GetData<TYPE>::return_type GaudiAlgorithm::get | ( | IDataProviderSvc * | svc,
|  | const std::string & | location,
|  | const bool | useRootInTES = `true` |
| ) |  |  | const`[inline]`

Templated access to the data in Gaudi Transient Store.

Quick and safe access to the data in Gaudi transient store. The method located the data at given address and perform the debug printout about located data

      MCHits* hits = get<MCHits>( evtSvc() , "/Event/MC/Hits" );

Attention:
  The method respects the setting of the job option RootInTES by prepending the value of this to the data location that is passed. The default setting for RootInTES is "" so has no effect. This behavior can be suppressed by passing the argument useRootInTES = false

See also:
  IDataProviderSvc

  SmartDataPtr

Exceptions:

  | GaudiException | for Invalid Data Provider Service
  | GaudiException | for invalid/unavailable data

Parameters:

  | svc | Pointer to data service (data provider)
  | location | data location/address in Gaudi Transient Store
  | useRootInTES | Flag to turn on(TRUE) off(FALSE) the use of the RootInTES location property

Returns:
  pointer to the data object

Reimplemented from GaudiCommon< Algorithm >.

Definition at line 249 of file GaudiAlgorithm.h.

    00252   {
    00253     return GaudiCommon<Algorithm>::get<TYPE> ( svc , location , useRootInTES ) ;
    00254   }

template<class TYPE>

Gaudi::Utils::GetData<TYPE>::return_type GaudiAlgorithm::get | ( | const std::string & | location,
|  | const bool | useRootInTES = `true` |
| ) |  |  | const`[inline]`

Templated access to the data from Gaudi Event Transient Store.

Quick and safe access to the data in Gaudi transient store.

The method located the data at the given address and perform the debug printout about located data.

      MCParticles* mcps = get<MCParticles>( MCParticleLocation::Default );

Attention:
  The method respects the setting of the job option RootInTES by prepending the value of this to the data location that is passed. The default setting for RootInTES is "" so has no effect. This behavior can be suppressed by passing the argument useRootInTES = false

Parameters:

  | location | Data location/address in Gaudi Transient Store
  | useRootInTES | Flag to turn on(TRUE) off(FALSE) the use of the RootInTES location property

Returns:
  Pointer to the data object

Definition at line 284 of file GaudiAlgorithm.h.

    00286   {
    00287     return GaudiCommon<Algorithm>::get<TYPE> ( evtSvc() , location , useRootInTES ) ;
    00288   }

template<class TYPE>

TYPE* GaudiAlgorithm::getDet | ( | IDataProviderSvc * | svc,
|  | const std::string & | location |
| ) |  |  | const`[inline]`

Templated access to the detector data from the Gaudi Detector Transient Store.

Quick and safe access to the detector data in Gaudi transient store.

The method located the detector at the given address and perform the debug printout about located detector.

      MyDet* mdet = getDet<MyDet>( detSvc() , "/dd/Structure/LHCb/MyDet" );

Parameters:

  | svc | Pointer to data service (data provider)
  | location | Detector location/address in Gaudi Transient Store

Returns:
  Pointer to the detector object

Definition at line 309 of file GaudiAlgorithm.h.

    00311   {
    00312     return GaudiCommon<Algorithm>::get<TYPE> ( svc , location , false ) ;
    00313   }

template<class TYPE>

TYPE* GaudiAlgorithm::getDet | ( | const std::string & | location | ) | const`[inline]`

Templated access to the detector data from the Gaudi Detector Transient Store.

Quick and safe access to the detector data in Gaudi transient store.

The method located the detector at the given address and perform the debug printout about located detector.

      MyDet* mdet = getDet<MyDet>( "/dd/Structure/LHCb/MyDet" );

Parameters:

  | location | Detector location/address in Gaudi Transient Store

Returns:
  Pointer to the detector object

Definition at line 333 of file GaudiAlgorithm.h.

    00334   {
    00335     return GaudiCommon<Algorithm>::get<TYPE> ( detSvc() , location , false ) ;
    00336   }

template<class TYPE>

bool GaudiAlgorithm::exist | ( | IDataProviderSvc * | svc,
|  | const std::string & | location,
|  | const bool | useRootInTES = `true` |
| ) |  |  | const`[inline]`

Check the existence of a data object or container in the Gaudi Transient Event Store.

      bool a1 = exist<DataObject>( evtSvc(), "/Event/MyObject" ) ;
      bool a2 = exist<MyHits>    ( evtSvc(), "/Event/MyHits"   ) ;

Attention:
  The method respects the setting of the job option RootInTES by prepending the value of this to the data location that is passed. The default setting for RootInTES is "" so has no effect. This behavior can be suppressed by passing the argument useRootInTES = false

Parameters:

  | svc | Pointer to data service (data provider)
  | location | Address in Gaudi Transient Event Store
  | useRootInTES | Flag to turn on(TRUE) off(FALSE) the use of the RootInTES location property

Returns:
  Boolean indicating status of the request

Return values:

  | true | Data object or container exists and implements a proper interface
  | true | Failed to locate the data object or container

Reimplemented from GaudiCommon< Algorithm >.

Definition at line 365 of file GaudiAlgorithm.h.

    00368   {
    00369     return GaudiCommon<Algorithm>::exist<TYPE> ( svc , location , useRootInTES ) ;
    00370   }

template<class TYPE>

bool GaudiAlgorithm::exist | ( | const std::string & | location,
|  | const bool | useRootInTES = `true` |
| ) |  |  | const`[inline]`

Check the existence of a data object or container in the Gaudi Transient Event Store.

      bool a1 = exist<DataObject>( "/Event/MyObject" ) ;
      bool a2 = exist<MyHits>    ( "/Event/MyHits"   ) ;

Attention:
  The method respects the setting of the job option RootInTES by prepending the value of this to the data location that is passed. The default setting for RootInTES is "" so has no effect. This behavior can be suppressed by passing the argument useRootInTES = false

Parameters:

  | location | Address in Gaudi Transient Event Store
  | useRootInTES | Flag to turn on(TRUE) off(FALSE) the use of the RootInTES location property

Returns:
  Boolean indicating status of the request

Return values:

  | true | Data object or container exists and implements a proper interface
  | true | Failed to locate the data object or container

Definition at line 398 of file GaudiAlgorithm.h.

    00400   {
    00401     return GaudiCommon<Algorithm>::exist<TYPE> ( evtSvc() , location , useRootInTES ) ;
    00402   }

template<class TYPE>

bool GaudiAlgorithm::existDet | ( | IDataProviderSvc * | svc,
|  | const std::string & | location |
| ) |  |  | const`[inline]`

Check the existence of detector objects in the Gaudi Transient Detector Store.

      bool a1 = existDet<DataObject> ( detSvc(), "/dd/Structure/MyObject"     ) ;
      bool a2 = existDet<Material>   ( detSvc(), "/dd/Structure/Material/Air" ) ;

Parameters:

  | svc | Pointer to data service (data provider)
  | location | Address in Gaudi Transient Detector Store

Returns:
  Boolean indicating status of the request

Return values:

  | true | Detector object exists and implements a proper interface
  | false | Failed to locate the data object

Definition at line 421 of file GaudiAlgorithm.h.

    00423   {
    00424     return GaudiCommon<Algorithm>::exist<TYPE> ( svc , location , false ) ;
    00425   }

template<class TYPE>

bool GaudiAlgorithm::existDet | ( | const std::string & | location | ) | const`[inline]`

Check the existence of detector objects in the Gaudi Transient Detector Store.

      bool a1 = existDet<DataObject> ( "/dd/Structure/MyObject"     ) ;
      bool a2 = existDet<Material>   ( "/dd/Structure/Material/Air" ) ;

Parameters:

  | location | Address in Gaudi Transient Detector Store

Returns:
  Boolean indicating status of the request

Return values:

  | true | Detector object exists and implements a proper interface
  | false | Failed to locate the data object

Definition at line 443 of file GaudiAlgorithm.h.

    00444   {
    00445     return GaudiCommon<Algorithm>::exist<TYPE> ( detSvc() , location , false ) ;
    00446   }

template<class TYPE, class TYPE2>

Gaudi::Utils::GetData<TYPE>::return_type GaudiAlgorithm::getOrCreate | ( | IDataProviderSvc * | svc,
|  | const std::string & | location,
|  | const bool | useRootInTES = `true` |
| ) |  |  | const`[inline]`

Get the existing data object from Gaudi Event Transient store.

Alternatively, create new object and register it in TES and return if object does not exist.

      MyHits* hits = getOrCreate<MyHits,MyHits>( evtSvc() , "/Event/MyHits" ) ;

Attention:
  The method respects the setting of the job option RootInTES by prepending the value of this to the data location that is passed. The default setting for RootInTES is "" so has no effect. This behavior can be suppressed by passing the argument useRootInTES = false

Exceptions:

  | GaudiException | for Invalid Data Provider Service
  | GaudiException | for invalid/unavailable data

Parameters:

  | svc | Pointer to data service (data provider)
  | location | Location in Gaudi Transient Event Store
  | useRootInTES | Flag to turn on(TRUE) off(FALSE) the use of the RootInTES location property

Returns:
  A valid pointer to the object

Reimplemented from GaudiCommon< Algorithm >.

Definition at line 477 of file GaudiAlgorithm.h.

    00480   {
    00481     return GaudiCommon<Algorithm>::getOrCreate<TYPE,TYPE2> ( svc , location , useRootInTES ) ;
    00482   }

template<class TYPE, class TYPE2>

Gaudi::Utils::GetData<TYPE>::return_type GaudiAlgorithm::getOrCreate | ( | const std::string & | location,
|  | const bool | useRootInTES = `true` |
| ) |  |  | const`[inline]`

Get the existing data object from Gaudi Event Transient store.

Alternatively, create new object and register it in TES and return if object does not exist.

      MyHits* hits = getOrCreate<MyHits,MyHits>( "/Event/MyHits" ) ;

Attention:
  The method respects the setting of the job option RootInTES by prepending the value of this to the data location that is passed. The default setting for RootInTES is "" so has no effect. This behavior can be suppressed by passing the argument useRootInTES = false

Exceptions:

  | GaudiException | for Invalid Data Provider Service
  | GaudiException | for invalid/unavailable data

Parameters:

  | location | Location in Gaudi Transient Event Store
  | useRootInTES | Flag to turn on(TRUE) off(FALSE) the use of the RootInTES location property

Returns:
  A valid pointer to the object

Definition at line 512 of file GaudiAlgorithm.h.

    00514   {
    00515     return GaudiCommon<Algorithm>::getOrCreate<TYPE,TYPE2> ( evtSvc() , location , useRootInTES ) ;
    00516   }

SmartIF< INTupleSvc > & GaudiAlgorithm::evtColSvc | ( |  | ) | const

Access the standard event collection service.

Returns:
  pointer to the event collection service

Definition at line 94 of file GaudiAlgorithm.cpp.

    00095 {
    00096   if ( !m_evtColSvc.isValid() )
    00097   { m_evtColSvc = svc< INTupleSvc > ( "EvtTupleSvc" , true ) ; }
    00098   //
    00099   return m_evtColSvc ;
    00100 }

GaudiAlgorithm& GaudiAlgorithm::operator= | ( | const GaudiAlgorithm & |  | ) | `[private]`

no public assignment

## Friends And Related Function Documentation

friend class AlgFactory< GaudiAlgorithm >`[friend]`

Definition at line 98 of file GaudiAlgorithm.h.

## Member Data Documentation

SmartIF<INTupleSvc> GaudiAlgorithm::m_evtColSvc`[mutable, private]`

Event Tag Collection Service.

Definition at line 551 of file GaudiAlgorithm.h.

std::vector<std::string> GaudiAlgorithm::m_vetoObjs`[private]`

skip the event if any of these objects are present in TES

Definition at line 553 of file GaudiAlgorithm.h.

std::vector<std::string> GaudiAlgorithm::m_requireObjs`[private]`

process the event only if one or more of these objects are present in TES

Definition at line 555 of file GaudiAlgorithm.h.

The documentation for this class was generated from the following files:

- /afs/cern.ch/sw/Gaudi/releases/GAUDI/GAUDI_v21r11/GaudiAlg/GaudiAlg/GaudiAlgorithm.h
- /afs/cern.ch/sw/Gaudi/releases/GAUDI/GAUDI_v21r11/GaudiAlg/src/lib/GaudiAlgorithm.cpp