THistWrite Class Reference

#include </builds/gaudi/Gaudi/GaudiTestSuite/src/THist/THistWrite.h>

Inheritance diagram for THistWrite:

Collaboration diagram for THistWrite:

Public Member Functions
	THistWrite (const std::string &name, ISvcLocator *pSvcLocator)
StatusCode	initialize () override
StatusCode	execute () override
StatusCode	finalize () override
Public Member Functions inherited from Gaudi::details::LegacyAlgorithmAdapter
	LegacyAlgorithmAdapter (std::string name, ISvcLocator *svcloc, std::string version=PACKAGE_VERSION)
const EventContext &	getContext () const
bool	isExecuted () const
	Has this algorithm been executed since the last reset? More...
void	setExecuted (bool state) const
	Set the executed flag to the specified state. More...
bool	filterPassed () const
	Did this algorithm pass or fail its filter criterion for the last event? More...
void	setFilterPassed (bool state) const
	Set the filter passed flag to the specified state. More...
Public Member Functions inherited from Gaudi::Algorithm
	Algorithm (std::string name, ISvcLocator *svcloc, std::string version=PACKAGE_VERSION)
	Constructor. More...
StatusCode	sysStart () override
	Reinitialization method invoked by the framework. More...
StatusCode	sysInitialize () override
	Initialization method invoked by the framework. More...
StatusCode	sysReinitialize () override
	Reinitialization method invoked by the framework. More...
StatusCode	sysRestart () override
	Restart method invoked by the framework. More...
StatusCode	sysExecute (const EventContext &ctx) override
	The actions to be performed by the algorithm on an event. More...
StatusCode	sysStop () override
	System stop. More...
StatusCode	sysFinalize () override
	System finalization. More...
const std::string &	name () const override
	The identifying name of the algorithm object. More...
const Gaudi::StringKey &	nameKey () const override
const std::string &	type () const override
	The type of the algorithm object. More...
void	setType (std::string type) override
const std::string &	version () const override
unsigned int	index () const override
StatusCode	configure () override
	Dummy implementation of IStateful::configure() method. More...
StatusCode	terminate () override
	Dummy implementation of IStateful::terminate() method. More...
StatusCode	initialize () override
	the default (empty) implementation of IStateful::initialize() method More...
StatusCode	start () override
	the default (empty) implementation of IStateful::start() method More...
StatusCode	stop () override
	the default (empty) implementation of IStateful::stop() method More...
StatusCode	finalize () override
	the default (empty) implementation of IStateful::finalize() method More...
StatusCode	reinitialize () override
	the default (empty) implementation of IStateful::reinitialize() method More...
StatusCode	restart () override
	the default (empty) implementation of IStateful::restart() method More...
Gaudi::StateMachine::State	FSMState () const override
	returns the current state of the algorithm More...
Gaudi::StateMachine::State	targetFSMState () const override
	returns the state the algorithm will be in after the ongoing transition More...
bool	isEnabled () const override
	Is this algorithm enabled or disabled? More...
bool	isSequence () const override
	Are we a Sequence? More...
unsigned int	errorCount () const
	Get the number of failures of the algorithm. More...
template<class T >
StatusCode	service (std::string_view name, T *&psvc, bool createIf=true) const
	Access a service by name, creating it if it doesn't already exist. More...
template<class T >
StatusCode	service (std::string_view svcType, std::string_view svcName, T *&psvc) const
	Access a service by name and type, creating it if it doesn't already exist. More...
SmartIF< IService >	service (std::string_view name, const bool createIf=true, const bool quiet=false) const
	Return a pointer to the service identified by name (or "type/name") More...
template<class T >
SmartIF< T >	service (std::string_view name, bool createIf=true, bool quiet=false) const
SmartIF< IAuditorSvc > &	auditorSvc () const
	The standard auditor service.May not be invoked before sysInitialize() has been invoked. More...
SmartIF< IChronoStatSvc > &	chronoSvc () const
	The standard Chrono & Stat service, Return a pointer to the service if present. More...
SmartIF< IDataProviderSvc > &	detSvc () const
	The standard detector data service. More...
SmartIF< IConversionSvc > &	detCnvSvc () const
	The standard detector data persistency conversion service. More...
SmartIF< IDataProviderSvc > &	eventSvc () const
	The standard event data service. More...
SmartIF< IDataProviderSvc > &	evtSvc () const
	shortcut for method eventSvc More...
SmartIF< IConversionSvc > &	eventCnvSvc () const
	The standard event data persistency conversion service. More...
SmartIF< IHistogramSvc > &	histoSvc () const
	The standard histogram service. More...
SmartIF< INTupleSvc > &	ntupleSvc () const
	The standard N tuple service. More...
SmartIF< IRndmGenSvc > &	randSvc () const
	The standard RandomGen service, Return a pointer to the service if present. More...
SmartIF< IToolSvc > &	toolSvc () const
	The standard ToolSvc service, Return a pointer to the service if present. More...
SmartIF< IExceptionSvc > &	exceptionSvc () const
	Get the exception Service. More...
SmartIF< IAlgContextSvc > &	contextSvc () const
	get Algorithm Context Service More...
SmartIF< ITimelineSvc > &	timelineSvc () const
SmartIF< ISvcLocator > &	serviceLocator () const override
	The standard service locator. More...
SmartIF< ISvcLocator > &	svcLoc () const
	shortcut for method serviceLocator More...
SmartIF< IHiveWhiteBoard > &	whiteboard () const
SmartIF< IAlgExecStateSvc > &	algExecStateSvc () const
bool	registerContext () const
	register for Algorithm Context Service? More...
template<class T >
Gaudi::Details::PropertyBase *	declareProperty (const std::string &name, ToolHandle< T > &hndl, const std::string &doc="none")
template<class T >
Gaudi::Details::PropertyBase *	declareProperty (const std::string &name, ToolHandleArray< T > &hndlArr, const std::string &doc="none")
SmartIF< IMonitorSvc > &	monitorSvc () const
	Access the monitor service. More...
template<class T >
void	declareInfo (const std::string &name, const T &var, const std::string &desc) const
	Declare monitoring information. More...
void	declareInfo (const std::string &name, const std::string &format, const void *var, int size, const std::string &desc) const
	Declare monitoring information (special case) More...
void	acceptDHVisitor (IDataHandleVisitor *) const override
void	registerTool (IAlgTool *tool) const
void	deregisterTool (IAlgTool *tool) const
template<class T >
StatusCode	declareTool (ToolHandle< T > &handle, bool createIf=true)
template<class T >
StatusCode	declareTool (ToolHandle< T > &handle, const std::string &toolTypeAndName, bool createIf=true)
template<class T >
void	addToolsArray (ToolHandleArray< T > &hndlArr)
const std::vector< IAlgTool * > &	tools () const
bool	isAsynchronous () const
void	setAsynchronous (bool value)
unsigned int	cardinality () const override
	Return the cardinality. More...
const std::vector< std::string > &	neededResources () const override
AlgExecState &	execState (const EventContext &ctx) const override
	reference to AlgExecState of Alg More...
std::ostream &	toControlFlowExpression (std::ostream &os) const override
	Produce string represention of the control flow expression. More...
Public Member Functions inherited from DataHandleHolderBase< PropertyHolder< CommonMessaging< implements< IAlgorithm, IDataHandleHolder, IProperty, IStateful > > > >
std::vector< Gaudi::DataHandle * >	inputHandles () const override
std::vector< Gaudi::DataHandle * >	outputHandles () const override
virtual const DataObjIDColl &	extraInputDeps () const override
virtual const DataObjIDColl &	extraOutputDeps () const override
void	declare (Gaudi::DataHandle &handle) override
void	renounce (Gaudi::DataHandle &handle) override
bool	renounceInput (const DataObjID &id) override
const DataObjIDColl &	inputDataObjs () const override
const DataObjIDColl &	outputDataObjs () const override
void	addDependency (const DataObjID &id, const Gaudi::DataHandle::Mode &mode) override
Public Member Functions inherited from extends< PropertyHolder< CommonMessaging< implements< IAlgorithm, IDataHandleHolder, IProperty, IStateful > > >, IDataHandleHolder >
void *	i_cast (const InterfaceID &tid) const override
	Implementation of IInterface::i_cast. More...
StatusCode	queryInterface (const InterfaceID &ti, void **pp) override
	Implementation of IInterface::queryInterface. More...
std::vector< std::string >	getInterfaceNames () const override
	Implementation of IInterface::getInterfaceNames. More...
Public Member Functions inherited from PropertyHolder< CommonMessaging< implements< IAlgorithm, IDataHandleHolder, IProperty, IStateful > > >
	PropertyHolder ()=default
Gaudi::Details::PropertyBase &	declareProperty (Gaudi::Details::PropertyBase &prop)
	Declare a property. More...
Gaudi::Details::PropertyBase *	declareProperty (const std::string &name, TYPE &value, const std::string &doc="none")
	Helper to wrap a regular data member and use it as a regular property. More...
Gaudi::Details::PropertyBase *	declareProperty (const std::string &name, Gaudi::Property< TYPE, VERIFIER, HANDLERS > &prop, const std::string &doc="none")
	Declare a PropertyBase instance setting name and documentation. More...
Gaudi::Details::PropertyBase *	declareRemoteProperty (const std::string &name, IProperty *rsvc, const std::string &rname="")
	Declare a remote property. More...
StatusCode	setProperty (const std::string &name, const Gaudi::Details::PropertyBase &p) override
	set the property from another property with a different name More...
StatusCode	setProperty (const std::string &s) override
	set the property from the formatted string More...
StatusCode	setProperty (const Gaudi::Details::PropertyBase &p)
	Set the property from a property. More...
virtual StatusCode	setProperty (const std::string &name, const Gaudi::Details::PropertyBase &p)=0
	Set the property from a property with a different name. More...
virtual StatusCode	setProperty (const std::string &s)=0
	Set the property by string. More...
StatusCode	setProperty (const std::string &name, const char *v)
	Special case for string literals. More...
StatusCode	setProperty (const std::string &name, const std::string &v)
	Special case for std::string. More...
StatusCode	setProperty (const std::string &name, const TYPE &value)
	set the property form the value More...
StatusCode	setPropertyRepr (const std::string &n, const std::string &r) override
	set the property from name and value string representation More...
StatusCode	getProperty (Gaudi::Details::PropertyBase *p) const override
	get the property More...
const Gaudi::Details::PropertyBase &	getProperty (std::string_view name) const override
	get the property by name More...
StatusCode	getProperty (std::string_view n, std::string &v) const override
	convert the property to the string More...
const std::vector< Gaudi::Details::PropertyBase * > &	getProperties () const override
	get all properties More...
bool	hasProperty (std::string_view name) const override
	Return true if we have a property with the given name. More...
Gaudi::Details::PropertyBase *	property (std::string_view name) const
	\fixme property and bindPropertiesTo should be protected More...
void	bindPropertiesTo (Gaudi::Interfaces::IOptionsSvc &optsSvc)
	PropertyHolder (const PropertyHolder &)=delete
PropertyHolder &	operator= (const PropertyHolder &)=delete
Public Member Functions inherited from CommonMessaging< implements< IAlgorithm, IDataHandleHolder, IProperty, IStateful > >
MSG::Level	msgLevel () const
	get the cached level (originally extracted from the embedded MsgStream) More...
bool	msgLevel (MSG::Level lvl) const
	get the output level from the embedded MsgStream More...

Private Member Functions
void	listKeys (TDirectory *td)

Private Attributes
ServiceHandle< ITHistSvc >	m_ths { this, "HistSvc", "THistSvc" }

Additional Inherited Members
Public Types inherited from Gaudi::Algorithm
typedef Gaudi::PluginService::Factory< IAlgorithm *(const std::string &, ISvcLocator *)>	Factory
Public Types inherited from extends< PropertyHolder< CommonMessaging< implements< IAlgorithm, IDataHandleHolder, IProperty, IStateful > > >, IDataHandleHolder >
using	base_class = extends
	Typedef to this class. More...
using	extend_interfaces_base = extend_interfaces< Interfaces... >
	Typedef to the base of this class. More...
Public Types inherited from PropertyHolder< CommonMessaging< implements< IAlgorithm, IDataHandleHolder, IProperty, IStateful > > >
using	PropertyHolderImpl = PropertyHolder< CommonMessaging< implements< IAlgorithm, IDataHandleHolder, IProperty, IStateful > > >
	Typedef used to refer to this class from derived classes, as in. More...
Public Types inherited from CommonMessaging< implements< IAlgorithm, IDataHandleHolder, IProperty, IStateful > >
using	base_class = CommonMessaging
Public Types inherited from extend_interfaces< Interfaces... >
using	ext_iids = typename Gaudi::interface_list_cat< typename Interfaces::ext_iids... >::type
	take union of the ext_iids of all Interfaces... More...
Public Attributes inherited from Gaudi::Algorithm
friend	AlgorithmManager
Protected Member Functions inherited from Gaudi::details::LegacyAlgorithmAdapter
bool	isReEntrant () const override
Protected Member Functions inherited from Gaudi::Algorithm
std::vector< IAlgTool * > &	tools ()
bool	isInitialized () const override
	Has the Algorithm already been initialized? More...
bool	isFinalized () const override
	Has the Algorithm already been finalized? More...
void	setIndex (const unsigned int &idx) override
	set instantiation index of Alg More...
bool	isReEntrant () const override
Protected Member Functions inherited from DataHandleHolderBase< PropertyHolder< CommonMessaging< implements< IAlgorithm, IDataHandleHolder, IProperty, IStateful > > > >
void	initDataHandleHolder ()
	initializes all handles - called by the sysInitialize method of any descendant of this More...
Protected Member Functions inherited from CommonMessaging< implements< IAlgorithm, IDataHandleHolder, IProperty, IStateful > >
MSG::Level	setUpMessaging () const
	Set up local caches. More...
MSG::Level	resetMessaging ()
	Reinitialize internal states. More...
void	updateMsgStreamOutputLevel (int level)
	Update the output level of the cached MsgStream. More...
Protected Attributes inherited from Gaudi::Algorithm
std::unique_ptr< IDataHandleVisitor >	m_updateDataHandles
	Hook for for derived classes to provide a custom visitor for data handles. More...
Protected Attributes inherited from DataHandleHolderBase< PropertyHolder< CommonMessaging< implements< IAlgorithm, IDataHandleHolder, IProperty, IStateful > > > >
DataObjIDColl	m_inputDataObjs
DataObjIDColl	m_outputDataObjs

Detailed Description

Definition at line 22 of file THistWrite.h.

Constructor & Destructor Documentation

THistWrite()

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

Definition at line 32 of file THistWrite.cpp.

    : Algorithm( name, pSvcLocator )
//------------------------------------------------------------------------------
{}

Member Function Documentation

execute()

StatusCode THistWrite::execute ( )

overridevirtual

Implements Algorithm.

Definition at line 143 of file THistWrite.cpp.

{
  Rndm::Numbers gauss( randSvc(), Rndm::Gauss( 0., 15. ) );
 
  static int n = 0;
 
  double x = sin( double( n ) ) * 52. + 50.;
 
  TH1* h( nullptr );
  if ( m_ths->getHist( "TempHist1", h ).isSuccess() ) {
    h->Fill( x );
  } else {
    error() << "Couldn't retrieve TempHist 1" << endmsg;
  }
 
  if ( m_ths->getHist( "other/TempHist1a", h ).isSuccess() ) {
    h->Fill( x );
  } else {
    error() << "Couldn't retrieve TempHist 1a" << endmsg;
  }
 
  if ( m_ths->getHist( "/new/Tree2", h ).isSuccess() ) {
    h->Fill( x );
  } else {
    error() << "Couldn't retrieve Tree2" << endmsg;
  }
 
  if ( m_ths->getHist( "/upd/xxx/gauss1d", h ).isSuccess() ) {
    for ( int i = 0; i < 1000; ++i ) { h->Fill( gauss(), 1. ); }
  } else {
    error() << "Couldn't retrieve 1Dgauss" << endmsg;
  }
 
  TH2* h2( nullptr );
  if ( m_ths->getHist( "/rec/gauss2d", h2 ).isSuccess() ) {
    for ( int i = 0; i < 1000; ++i ) { h2->Fill( gauss(), gauss(), 1. ); }
  } else {
    error() << "Couldn't retrieve 2Dgauss" << endmsg;
  }
 
  TH3* h3( nullptr );
  if ( m_ths->getHist( "/rec/gauss3d", h3 ).isSuccess() ) {
    for ( int i = 0; i < 1000; ++i ) { h3->Fill( gauss(), gauss(), gauss(), 1. ); }
  } else {
    error() << "Couldn't retrieve 3Dgauss" << endmsg;
  }
 
  if ( m_ths->getHist( "TempHist5", h ).isSuccess() ) {
    h->Fill( x );
  } else {
    error() << "Couldn't retrieve TempHist 5" << endmsg;
  }
 
  LockedHandle<TH1> lh1( nullptr, nullptr );
  if ( m_ths->getShared( "/upd/xxx/gauss1d_shared", lh1 ).isSuccess() ) {
    for ( int i = 0; i < 1000; ++i ) { lh1->Fill( gauss(), 1. ); }
  } else {
    error() << "Couldn't retrieve 1Dgauss_shared" << endmsg;
  }
 
  LockedHandle<TH2> lh2( nullptr, nullptr );
  if ( m_ths->getShared( "/rec/gauss2d_shared", lh2 ).isSuccess() ) {
    for ( int i = 0; i < 1000; ++i ) { lh2->Fill( gauss(), gauss(), 1. ); }
  } else {
    error() << "Couldn't retrieve 2Dgauss_shared" << endmsg;
  }
 
  LockedHandle<TH3> lh3( nullptr, nullptr );
  if ( m_ths->getShared( "/rec/gauss3d_shared", lh3 ).isSuccess() ) {
    for ( int i = 0; i < 1000; ++i ) { lh3->Fill( gauss(), gauss(), gauss(), 1. ); }
  } else {
    error() << "Couldn't retrieve 3Dgauss_shared" << endmsg;
  }
 
  TTree* tr( nullptr );
  if ( m_ths->getTree( "/rec/trees/stuff/tree1", tr ).isFailure() ) {
    error() << "Couldn't retrieve tree tree1" << endmsg;
  } else {
    if ( n == 0 ) {
      int p1, p2, p3;
      tr->Branch( "branch1", &p1, "point1/I" );
      tr->Branch( "branch2", &p2, "point2/I" );
      tr->Branch( "branch3", &p3, "point3/I" );
 
      for ( int i = 0; i < 1000; i++ ) {
        p1 = i;
        p2 = i % 10;
        p3 = i % 7;
 
        tr->Fill();
      }
    }
  }
 
  n++;
  return StatusCode::SUCCESS;
}

finalize()

StatusCode THistWrite::finalize ( )

override

Definition at line 264 of file THistWrite.cpp.

{
  info() << "Finalizing..." << endmsg;
 
  TH1* h7 = nullptr;
  if ( m_ths->getHist( "TempHist7", h7 ).isFailure() ) { error() << "Couldn't retrieve TempHist7" << endmsg; }
  if ( m_ths->deReg( h7 ).isFailure() ) { error() << "Failed to deregister histogram TempHist7" << endmsg; }
 
  return StatusCode::SUCCESS;
}

initialize()

StatusCode THistWrite::initialize ( )

override

Definition at line 38 of file THistWrite.cpp.

{
 
  // FIXME - Code here generates a lot of memory leak errors with the leak sanitizers, e.g.
  //
  // clang-format off
  // Indirect leak of 816 byte(s) in 1 object(s) allocated from:
  //  #0 0x7f817fd0aec8 in operator new[](unsigned long) /afs/cern.ch/cms/CAF/CMSCOMM/COMM_ECAL/dkonst/GCC/build/contrib/gcc-8.2.0/src/gcc/8.2.0/libsanitizer/lsan/lsan_interceptors.cc:231
  //  #1 0x7f817bedf4b6 in TArrayD::Set(int) /mnt/build/jenkins/workspace/lcg_release_tar/BUILDTYPE/Debug/COMPILER/gcc8binutils/LABEL/centos7/build/projects/ROOT-6.18.00/src/ROOT/6.18.00/core/cont/src/TArrayD.cxx:112
  //  #2 0x7f81796c52bf in TH1D::TH1D(char const*, char const*, int, double, double) /mnt/build/jenkins/workspace/lcg_release_tar/BUILDTYPE/Debug/COMPILER/gcc8binutils/LABEL/centos7/build/projects/ROOT-6.18.00/src/ROOT/6.18.00/hist/hist/src/TH1.cxx:9627
  //  #3 0x7f817782ab5d in THistWrite::initialize() ../GaudiTestSuite/src/THist/THistWrite.cpp:94
  // clang-format on
  //
  // These leaks are currently suppressed in Gaudi/job/Gaudi-LSan.supp - remove entry there to reactivate
 
  if ( m_ths.retrieve().isFailure() ) {
    error() << "Couldn't get THistSvc" << endmsg;
    return StatusCode::FAILURE;
  }
 
  // Temporary Trees
  std::unique_ptr<TH1F> h1 = std::make_unique<TH1F>( "TempHist1", "Temporary Tree 1", 100, 0., 100. );
  if ( m_ths->regHist( "TempHist1", std::move( h1 ) ).isFailure() ) {
    error() << "Couldn't register TempHist1" << endmsg;
  }
 
  std::unique_ptr<TH1F> h1a = std::make_unique<TH1F>( "TempHist1a", "Temporary Tree 1a", 100, 0., 100. );
  if ( m_ths->regHist( "other/TempHist1a", std::move( h1a ) ).isFailure() ) {
    error() << "Couldn't register TempHist1a" << endmsg;
  }
 
  // Write to stream "new"
  std::unique_ptr<TH1F> h2 = std::make_unique<TH1F>( "Tree2", "Tree 2", 100, 0., 100. );
  if ( m_ths->regHist( "/new/Tree2", std::move( h2 ) ).isFailure() ) { error() << "Couldn't register Tree2" << endmsg; }
 
  // Update to stream "upd", dir "/xxx"
  std::unique_ptr<TH1F> h3 = std::make_unique<TH1F>( "1Dgauss", "1D Gaussian", 100, -50., 50. );
  if ( m_ths->regHist( "/upd/xxx/gauss1d", std::move( h3 ) ).isFailure() ) {
    error() << "Couldn't register gauss1d" << endmsg;
  }
 
  // Recreate 2D tree in "/"
  std::unique_ptr<TH2F> h3a = std::make_unique<TH2F>( "2Dgauss", "2D Gaussian", 100, -50., 50., 100, -50, 50 );
  if ( m_ths->regHist( "/rec/gauss2d", std::move( h3a ) ).isFailure() ) {
    error() << "Couldn't register gauss2d" << endmsg;
  }
 
  // 3D tree in "/"
  std::unique_ptr<TH3F> h4 =
      std::make_unique<TH3F>( "3Dgauss", "3D Gaussian", 100, -50., 50., 100, -50, 50, 100, -50, 50 );
  if ( m_ths->regHist( "/rec/gauss3d", std::move( h4 ) ).isFailure() ) {
    error() << "Couldn't register gauss3d" << endmsg;
  }
 
  TH1F* h5 = new TH1F( "TempHist5", "Temporary Tree 5", 100, 0., 100. );
  if ( m_ths->regHist( "TempHist5", std::unique_ptr<TH1F>( h5 ) ).isFailure() ) {
    error() << "Couldn't register TempHist5" << endmsg;
  }
  if ( strcmp( h5->GetName(), "TempHist5" ) ) {
    error() << "Couldn't use TempHist5 afterwards. getName = " << h5->GetName() << endmsg;
  }
 
  TH1D* h7 = new TH1D( "TempHist7", "Temporary Tree 7", 100, 0., 100. );
  if ( m_ths->regHist( "TempHist7", h7 ).isFailure() ) { error() << "Couldn't register TempHist7" << endmsg; }
  if ( strcmp( h7->GetName(), "TempHist7" ) ) {
    error() << "Couldn't use TempHist7 afterwards. getName = " << h7->GetName() << endmsg;
  }
 
  // Profile in "/"
  std::unique_ptr<TH1> tp = std::make_unique<TProfile>( "profile", "profile", 100, -50., -50. );
  if ( m_ths->regHist( "/rec/prof", std::move( tp ) ).isFailure() ) { error() << "Couldn't register prof" << endmsg; }
 
  // Tree with branches in "/trees/stuff"
  std::unique_ptr<TTree> tr = std::make_unique<TTree>( "treename", "tree title" );
  if ( m_ths->regTree( "/rec/trees/stuff/tree1", std::move( tr ) ).isFailure() ) {
    error() << "Couldn't register tr" << endmsg;
  }
 
  // Update to stream "upd", dir "/xxx"
  std::unique_ptr<TH1F> h3s = std::make_unique<TH1F>( "1Dgauss_shared", "1D Gaussian", 100, -50., 50. );
  LockedHandle<TH1>     lh1( nullptr, nullptr );
  if ( m_ths->regShared( "/upd/xxx/gauss1d_shared", std::move( h3s ), lh1 ).isFailure() ) {
    error() << "Couldn't register gauss1d_shared" << endmsg;
  }
 
  // Recreate 2D tree in "/"
  std::unique_ptr<TH2F> h3sa = std::make_unique<TH2F>( "2Dgauss_shared", "2D Gaussian", 100, -50., 50., 100, -50, 50 );
  LockedHandle<TH2>     lh2( nullptr, nullptr );
  if ( m_ths->regShared( "/rec/gauss2d_shared", std::move( h3sa ), lh2 ).isFailure() ) {
    error() << "Couldn't register gauss2d_shared" << endmsg;
  }
 
  // 3D tree in "/"
  std::unique_ptr<TH3F> h4s =
      std::make_unique<TH3F>( "3Dgauss_shared", "3D Gaussian", 100, -50., 50., 100, -50, 50, 100, -50, 50 );
  LockedHandle<TH3> lh3( nullptr, nullptr );
  if ( m_ths->regShared( "/rec/gauss3d_shared", std::move( h4s ), lh3 ).isFailure() ) {
    error() << "Couldn't register gauss3d_shared" << endmsg;
  }
 
  return StatusCode::SUCCESS;
}

listKeys()

void THistWrite::listKeys ( TDirectory *  td )

private

Definition at line 243 of file THistWrite.cpp.

                                          {
  //------------------------------------------------------------------------------
 
  info() << "printing keys for: " << td->GetPath() << "  (" << td->GetList()->GetSize() << ")" << endmsg;
  TIter nextkey( td->GetList() );
  while ( TKey* key = (TKey*)nextkey() ) {
    if ( key != 0 ) {
      info() << key->GetName() << " (" << key->IsA()->GetName()
             << ") "
             // << key->GetObjectStat()
             // << "  " << key->IsOnHeap()
             << key->GetCycle() << endmsg;
    } else {
      info() << "key == 0" << endmsg;
    }
  }
 
  return;
}

Member Data Documentation

m_ths

ServiceHandle<ITHistSvc> THistWrite::m_ths { this, "HistSvc", "THistSvc" }

private

Definition at line 34 of file THistWrite.h.

---

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

• GaudiTestSuite/src/THist/THistWrite.h
• GaudiTestSuite/src/THist/THistWrite.cpp