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ReadWhiteBoard.py
Go to the documentation of this file.
1 ####################################################################
2 # Write a DST and a miniDST, including File Summary Records
3 ####################################################################
4
5 from Gaudi.Configuration import *
6 from Configurables import Gaudi__RootCnvSvc as RootCnvSvc, GaudiPersistency
7 from Configurables import WriteHandleAlg, ReadHandleAlg, HiveWhiteBoard, HiveSlimEventLoopMgr, HiveReadAlgorithm, ForwardSchedulerSvc, AlgResourcePool
8
9 # Output Levels
10 MessageSvc(OutputLevel=WARNING)
11 IncidentSvc(OutputLevel=DEBUG)
12 RootCnvSvc(OutputLevel=INFO)
13 SequencerTimerTool(OutputLevel=WARNING)
14
15 GaudiPersistency()
16
17 EventSelector(OutputLevel=DEBUG, PrintFreq=50, FirstEvent=1,
18 Input=["DATAFILE='PFN:HandleWB_ROOTIO.dst' SVC='Gaudi::RootEvtSelector' OPT='READ'"])
19 FileCatalog(Catalogs=["xmlcatalog_file:HandleWB_ROOTIO.xml"])
20
21 product_name = "MyCollision"
22 product_name_full_path = "/Event/" + product_name
23
24 loader = HiveReadAlgorithm("Loader",
25 OutputLevel=INFO,
26 NeededResources=['ROOTIO', 'SOMETHINGELSE'],
27 Cardinality=2 # framework should be able to fix this config problem
28 )
29
30 reader = ReadHandleAlg("Reader",
31 Cardinality=4,
32 OutputLevel=INFO)
33 reader.Input.Path = product_name
34
35 evtslots = 5
36 algoparallel = 10
37
38 whiteboard = HiveWhiteBoard("EventDataSvc",
39 EventSlots=evtslots)
40
41 eventloopmgr = HiveSlimEventLoopMgr(OutputLevel=INFO)
42
43 # We must put the full path in this deprecated expression of dependencies.
44 # Using a controlflow for the output would be the way to go
45 scheduler = ForwardSchedulerSvc(MaxAlgosInFlight=algoparallel,
46 OutputLevel=WARNING)
47
48
49 # Application setup
50 ApplicationMgr(TopAlg=[loader, reader],
51 EvtMax=500,
52 HistogramPersistency="NONE",
53 ExtSvc=[whiteboard],
54 EventLoop=eventloopmgr)
Gaudi.Configuration
Definition: Configuration.py:1
Gaudi.Configuration.GaudiPersistency
Definition: Configuration.py:128
ApplicationMgr
The Application Manager class.
Definition: ApplicationMgr.h:47
SequencerTimerTool
Implements the time measurement inside a sequencer.
Definition: SequencerTimerTool.h:25
EventSelector
Definition of class EventSelector.
Definition: EventSelector.h:53
IncidentSvc
Default implementation of the IIncidentSvc interface.
Definition: IncidentSvc.h:37
MessageSvc
Definition: MessageSvc.h:30