GaudiPython.Persistency.RootPersistency Class Reference

Inheritance diagram for GaudiPython.Persistency.RootPersistency:

Collaboration diagram for GaudiPython.Persistency.RootPersistency:

Public Member Functions
def	__init__ (self)
def	configure (self, appMgr)
def	formatInput (self, filenames, kwargs)
def	formatOutput (self, filename, kwargs)
Public Member Functions inherited from GaudiPython.Persistency.PersistencyHelper
def	__init__ (self, types)
def	handle (self, typ)

Public Attributes
	configured
Public Attributes inherited from GaudiPython.Persistency.PersistencyHelper
	types

Detailed Description

Implementation of PersistencyHelper based on Gaudi::RootCnvSvc.

Definition at line 91 of file Persistency.py.

Constructor & Destructor Documentation

def GaudiPython.Persistency.RootPersistency.__init__

(

self

)

Constructor.

Declare the type of supported persistencies to the base class.

Definition at line 95 of file Persistency.py.

    def __init__(self):
        """
        Constructor.

        Declare the type of supported persistencies to the base class.
        """
        super(RootPersistency, self).__init__(["ROOT", "POOL_ROOT",
                                               "RootCnvSvc", "Gaudi::RootCnvSvc"])
        self.configured = False

Member Function Documentation

def GaudiPython.Persistency.RootPersistency.configure	(		self,
			appMgr
	)

Basic configuration.

Definition at line 105 of file Persistency.py.

    def configure(self, appMgr):
        """
        Basic configuration.
        """
        if not self.configured:
            # instantiate the required services
            appMgr.service('Gaudi::RootCnvSvc/RootCnvSvc')
            eps = appMgr.service ( 'EventPersistencySvc' )
            eps.CnvServices += ['RootCnvSvc']
            self.configured = True

def GaudiPython.Persistency.RootPersistency.formatInput	(		self,
			filenames,
			kwargs
	)

Translate a list of file names in a list of input descriptions.

The optional parameters 'collection', 'sel' and 'fun' should be used to
configure Event Tag Collection inputs.

@param filenames: the list of files

Definition at line 116 of file Persistency.py.

    def formatInput(self, filenames, **kwargs):
        '''
        Translate a list of file names in a list of input descriptions.

        The optional parameters 'collection', 'sel' and 'fun' should be used to
        configure Event Tag Collection inputs.

        @param filenames: the list of files
        '''
        if not self.configured:
            raise PersistencyError("Persistency not configured")
        if type(filenames) is str:
            filenames = [filenames]
        fileargs = {}
        # check if we are accessing a collection
        fileargs = dict([(k, kwargs[k])
                         for k in ["collection", "sel", "fun"]
                         if k in kwargs])
        if fileargs:
            # is a collection
            svc = 'Gaudi::RootCnvSvc'
        else:
            svc = 'Gaudi::RootEvtSelector'
        return map(str,
                   [FileDescription(f, 'READ', svc, **fileargs)
                    for f in filenames])

def GaudiPython.Persistency.RootPersistency.formatOutput	(		self,
			filename,
			kwargs
	)

Translate a filename in an output description.

@param filenames: the list of files
@param lun: Logical Unit for Event Tag Collection outputs (optional)

Definition at line 143 of file Persistency.py.

    def formatOutput(self, filename, **kwargs):
        '''
        Translate a filename in an output description.

        @param filenames: the list of files
        @param lun: Logical Unit for Event Tag Collection outputs (optional)
        '''
        if not self.configured:
            raise PersistencyError("Persistency not configured")
        retval = str(FileDescription(filename, 'RECREATE', 'Gaudi::RootCnvSvc'))
        if 'lun' in kwargs:
            retval = "%s %s" % (kwargs['lun'], retval)
        return retval

# Adding the know instances to the list of helpers
add(RootPersistency())

Member Data Documentation

GaudiPython.Persistency.RootPersistency.configured

Definition at line 103 of file Persistency.py.

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

• GaudiPython/python/GaudiPython/Persistency.py