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HiveReadAlgorithm.cpp
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/***********************************************************************************\
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* (c) Copyright 1998-2023 CERN for the benefit of the LHCb and ATLAS collaborations *
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* *
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* This software is distributed under the terms of the Apache version 2 licence, *
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* copied verbatim in the file "LICENSE". *
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* *
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* In applying this licence, CERN does not waive the privileges and immunities *
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* granted to it by virtue of its status as an Intergovernmental Organization *
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* or submit itself to any jurisdiction. *
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\***********************************************************************************/
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#include <
GaudiKernel/Algorithm.h
>
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#include <
GaudiKernel/DataStoreItem.h
>
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#include <
GaudiKernel/ThreadLocalContext.h
>
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class
GAUDI_API
HiveReadAlgorithm
:
public
Algorithm
{
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public
:
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using
Algorithm::Algorithm
;
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StatusCode
initialize
()
override
;
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StatusCode
execute
()
override
;
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};
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DECLARE_COMPONENT
(
HiveReadAlgorithm
)
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StatusCode
HiveReadAlgorithm
::
initialize
() {
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StatusCode
sc =
Algorithm::initialize
();
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if
( !sc )
return
sc;
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return
evtSvc
()->addPreLoadItem(
DataStoreItem
(
"/Event"
, 99 ) );
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}
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StatusCode
HiveReadAlgorithm::execute
() {
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info
() <<
"Running now for event "
<<
Gaudi::Hive::currentContext
().
evt
() <<
endmsg
;
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return
evtSvc
()->
preLoad
();
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}
DataStoreItem.h
Algorithm.h
GAUDI_API
#define GAUDI_API
Definition
Kernel.h:49
endmsg
MsgStream & endmsg(MsgStream &s)
MsgStream Modifier: endmsg. Calls the output method of the MsgStream.
Definition
MsgStream.h:198
DECLARE_COMPONENT
#define DECLARE_COMPONENT(type)
Definition
PluginServiceV1.h:45
ThreadLocalContext.h
Algorithm::execute
StatusCode execute() override=0
CommonMessagingBase::info
MsgStream & info() const
shortcut for the method msgStream(MSG::INFO)
Definition
CommonMessaging.h:115
DataStoreItem
Description of the DataStoreItem class.
Definition
DataStoreItem.h:25
EventContext::evt
ContextEvt_t evt() const
Definition
EventContext.h:51
Gaudi::Algorithm::Algorithm
Algorithm(std::string name, ISvcLocator *svcloc, std::string version=PACKAGE_VERSION)
Constructor.
Definition
Algorithm.h:98
Gaudi::Algorithm::initialize
StatusCode initialize() override
the default (empty) implementation of IStateful::initialize() method
Definition
Algorithm.h:175
Gaudi::Algorithm::evtSvc
SmartIF< IDataProviderSvc > & evtSvc() const
shortcut for method eventSvc
Definition
Algorithm.h:233
HiveReadAlgorithm
Definition
HiveReadAlgorithm.cpp:15
HiveReadAlgorithm::execute
StatusCode execute() override
Definition
HiveReadAlgorithm.cpp:30
HiveReadAlgorithm::initialize
StatusCode initialize() override
Definition
HiveReadAlgorithm.cpp:24
IDataProviderSvc::preLoad
virtual StatusCode preLoad()=0
Load all preload items of the list.
StatusCode
This class is used for returning status codes from appropriate routines.
Definition
StatusCode.h:64
Gaudi::Hive::currentContext
GAUDI_API const EventContext & currentContext()
Definition
ThreadLocalContext.cpp:30
GaudiHive
src
HiveReadAlgorithm.cpp
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