GaudiPython.GaudiAlgs.GaudiAlgo Class Reference

the base class for all algorithm Python-image of C++ clkass GaudiAlgorithm More...

Inheritance diagram for GaudiPython.GaudiAlgs.GaudiAlgo:

Collaboration diagram for GaudiPython.GaudiAlgs.GaudiAlgo:

Additional Inherited Members
Public Member Functions inherited from GaudiPython.Bindings.iAlgorithm
def	__init__
def	retrieveInterface
Static Public Attributes inherited from GaudiPython.Bindings.iAlgorithm
tuple	initialize lambdaself:self.__call_interface_method__("_ialg","initialize")
tuple	start lambdaself:self.__call_interface_method__("_ialg","start")
tuple	execute lambdaself:self.__call_interface_method__("_ialg","execute")
tuple	stop lambdaself:self.__call_interface_method__("_ialg","stop")
tuple	finalize lambdaself:self.__call_interface_method__("_ialg","finalize")
tuple	reinitialize lambdaself:self.__call_interface_method__("_ialg","reinitialize")
tuple	restart lambdaself:self.__call_interface_method__("_ialg","restart")
tuple	sysInitialize lambdaself:self.__call_interface_method__("_ialg","sysInitialize")
tuple	sysStart lambdaself:self.__call_interface_method__("_ialg","sysStart")
tuple	sysExecute lambdaself:self.__call_interface_method__("_ialg","sysExecute")
tuple	sysStop lambdaself:self.__call_interface_method__("_ialg","sysStop")
tuple	sysFinalize lambdaself:self.__call_interface_method__("_ialg","sysFinalize")
tuple	sysReinitialize lambdaself:self.__call_interface_method__("_ialg","sysReinitialize")
tuple	sysRestart lambdaself:self.__call_interface_method__("_ialg","sysRestart")

Detailed Description

the base class for all algorithm Python-image of C++ clkass GaudiAlgorithm

*******************************************************************************
*                                                * 'Physisics do not like it, *
*                                                *  physisics do not need it, *
*                                                *  physisics do not use  it' *
*                                                * ****************************
*  Usage:                                                                     *
*                                                                             *
*  from GaudiPython.GaudiAlgs   import GaudiAlgo, SUCCESS                     *
*                                                                             *
*  class MyClass(GaudiAlgo) :                                                 *
*       ' My specific Algorithm, derived from GaudiAlgo base class '          *
*       def __init__( self , name , **args ) :                                *
*            'Constructor from algorithm instance name & parameters'          *
*             #invoke the constructor of base class                           *
*             GaudiAlgo.__init__(self , name , **args )                       *
*                                                                             *
*       def initialize ( self ) :                                             *
*           'Algorithm initialization'                                        *
*           # initialize the base class                                       *
*           status = GaudiAlgo.initialize( self )                             *
*           if status.isFailure() : return status                             *
*                                                                             *
*           # locate the services and tools                                   *
*                                                                             *
*           # locate some tool:                                               *
*           extrapolator = self.tool(ITrExtrapolator,'TrExtrapolator')        *
*                                                                             *
*           # locate the service                                              *
*           rndmSvc = self.svc(IRndmGenSvc, 'RndmGenSvc')                     *
*                                                                             *
*           return SUCCESS                                                    *
*                                                                             *
*                                                                             *
*       def execute ( self ) :                                                *
*            'Major method (from IAlgorithm interface)'                       *
*                                                                             *
*           # get some data from Transient Event Store                        *
*           tracks = self.get('/Event/Rec/Tracks')                            *
*                                                                             *
*           # use counters                                                    *
*           c1 = self.counter('#Tracks')                                      *
*           c2 = self.counter('No Tracks')                                    *
*           if tracks.empty :                                                 *
*              c2+=1                                                          *
*           c1 += tracks->size()                                              *
*                                                                             *
*           if 1000 < tracks.size() :                                         *
*                return self.Error('The event is *VERY* busy')                *
*                                                                             *
*           return SUCCESS                                                    *
*                                                                             *
*******************************************************************************

Usage:

from GauidPython.GaudiAlgs   import GaudiAlgo, SUCCESS

class MyClass(GaudiAlgo) :
     """
     My specific Algorithm, derived from GaudiAlgo base class
     """
     def __init__( self , name , **args ) :
         """
         Constructor from algorithm instance name & parameters'
         """
         #invoke the constructor of base class
         GaudiAlgo.__init__(self , name , **args )

     def initialize ( self ) :
         'Algorithm initialization'
         # initialize the base class
         status = GaudiAlgo.initialize( self )
         if status.isFailure() : return status

         # locate the services and tools

         # locate some tool:
         extrapolator = self.tool(ITrExtrapolator,'TrExtrapolator')

         # locate the service
         rndmSvc = self.svc(IRndmGenSvc, 'RndmGenSvc')

         return SUCCESS


     def execute ( self ) :
          'Major method (from IAlgorithm interface)'

         # get some data from Transient Event Store
         tracks = self.get('/Event/Rec/Tracks')

         # use counters
         c1 = self.counter('#Tracks')
         c2 = self.counter('No Tracks')
         if tracks.empty :
            c2+=1
         c1 += tracks->size()

         if 1000 < tracks.size() :
              return self.Error('The event is *VERY* busy')

         return SUCCESS

See Also

GaudiAlgorithm

Author

Vanya BELYAEV ibely.nosp@m.aev@.nosp@m.physi.nosp@m.cs.s.nosp@m.yr.ed.nosp@m.u

Date

2006-11-26

Definition at line 551 of file GaudiAlgs.py.

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

• /afs/cern.ch/sw/Gaudi/releases/GAUDI/GAUDI_v24r2/GaudiPython/python/GaudiPython/GaudiAlgs.py