ATLAS Offline Software
Loading...
Searching...
No Matches
CP::SystObjectLinkerAlg Class Referencefinal

#include <SystObjectLinkerAlg.h>

Inheritance diagram for CP::SystObjectLinkerAlg:
Collaboration diagram for CP::SystObjectLinkerAlg:

Public Member Functions

 SystObjectLinkerAlg (const std::string &name, ISvcLocator *pSvcLocator)
 The standard constructor.
StatusCode initialize () override
 Initialisation method, for setting up tools and other persistent configs.
StatusCode execute (const EventContext &ctx) const override
 Execute method, for actions to be taken in the event loop.
virtual StatusCode sysInitialize () override
 Override sysInitialize.
virtual bool isClonable () const override
 Specify if the algorithm is clonable.
virtual unsigned int cardinality () const override
 Cardinality (Maximum number of clones that can exist) special value 0 means that algorithm is reentrant.
virtual StatusCode sysExecute (const EventContext &ctx) override
 Execute an algorithm.
virtual const DataObjIDColl & extraOutputDeps () const override
 Return the list of extra output dependencies.
virtual bool filterPassed (const EventContext &ctx) const
virtual void setFilterPassed (bool state, const EventContext &ctx) const
ServiceHandle< StoreGateSvc > & evtStore ()
 The standard StoreGateSvc (event store) Returns (kind of) a pointer to the StoreGateSvc.
const ServiceHandle< StoreGateSvc > & detStore () const
 The standard StoreGateSvc/DetectorStore Returns (kind of) a pointer to the StoreGateSvc.
virtual StatusCode sysStart () override
 Handle START transition.
virtual std::vector< Gaudi::DataHandle * > inputHandles () const override
 Return this algorithm's input handles.
virtual std::vector< Gaudi::DataHandle * > outputHandles () const override
 Return this algorithm's output handles.
Gaudi::Details::PropertyBase & declareProperty (Gaudi::Property< T, V, H > &t)
void updateVHKA (Gaudi::Details::PropertyBase &)
MsgStream & msg () const
bool msgLvl (const MSG::Level lvl) const

Protected Member Functions

virtual::StatusCode finalize ()
 finalize this algorithm
void renounceArray (SG::VarHandleKeyArray &handlesArray)
 remove all handles from I/O resolution
std::enable_if_t< std::is_void_v< std::result_of_t< decltype(&T::renounce)(T)> > &&!std::is_base_of_v< SG::VarHandleKeyArray, T > &&std::is_base_of_v< Gaudi::DataHandle, T >, void > renounce (T &h)
void extraDeps_update_handler (Gaudi::Details::PropertyBase &ExtraDeps)
 Add StoreName to extra input/output deps as needed.

Private Types

typedef ServiceHandle< StoreGateSvcStoreGateSvc_t

Private Member Functions

Gaudi::Details::PropertyBase & declareGaudiProperty (Gaudi::Property< T, V, H > &hndl, const SG::VarHandleKeyType &)
 specialization for handling Gaudi::Property<SG::VarHandleKey>

Private Attributes

CP::SysListHandle m_systematicsList {this}
 We use default finalize() – this is for cleanup, and we don't do any.
CP::SysReadHandle< xAOD::IParticleContainerm_inputHandle { this, "input", "", "Container to read" }
 Setup syst-aware input container handles.
CP::SysWriteDecorHandle< ElementLink< xAOD::IParticleContainer > > m_syst_link_decor {"systVarLink_%SYS%", this}
 Setup sys-aware output decorations.
DataObjIDColl m_extendedExtraObjects
 Extra output dependency collection, extended by AthAlgorithmDHUpdate to add symlinks.
StoreGateSvc_t m_evtStore
 Pointer to StoreGate (event store by default)
StoreGateSvc_t m_detStore
 Pointer to StoreGate (detector store by default)
std::vector< SG::VarHandleKeyArray * > m_vhka
bool m_varHandleArraysDeclared

Detailed Description

Definition at line 35 of file SystObjectLinkerAlg.h.

Member Typedef Documentation

◆ StoreGateSvc_t

typedef ServiceHandle<StoreGateSvc> AthCommonDataStore< AthCommonMsg< Gaudi::Algorithm > >::StoreGateSvc_t
privateinherited

Definition at line 388 of file AthCommonDataStore.h.

Constructor & Destructor Documentation

◆ SystObjectLinkerAlg()

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

The standard constructor.

Definition at line 19 of file SystObjectLinkerAlg.cxx.

21 : EL::AnaReentrantAlgorithm(name, pSvcLocator)
22 {
23
24 }

Member Function Documentation

◆ cardinality()

unsigned int AthCommonReentrantAlgorithm< Gaudi::Algorithm >::cardinality ( ) const
overridevirtualinherited

Cardinality (Maximum number of clones that can exist) special value 0 means that algorithm is reentrant.

Override this to return 0 for reentrant algorithms.

Definition at line 75 of file AthCommonReentrantAlgorithm.cxx.

64{
65 return 0;
66}

◆ declareGaudiProperty()

Gaudi::Details::PropertyBase & AthCommonDataStore< AthCommonMsg< Gaudi::Algorithm > >::declareGaudiProperty ( Gaudi::Property< T, V, H > & hndl,
const SG::VarHandleKeyType &  )
inlineprivateinherited

specialization for handling Gaudi::Property<SG::VarHandleKey>

Definition at line 156 of file AthCommonDataStore.h.

158 {
160 hndl.value(),
161 hndl.documentation());
162
163 }
Gaudi::Details::PropertyBase & declareProperty(Gaudi::Property< T, V, H > &t)

◆ declareProperty()

Gaudi::Details::PropertyBase & AthCommonDataStore< AthCommonMsg< Gaudi::Algorithm > >::declareProperty ( Gaudi::Property< T, V, H > & t)
inlineinherited

Definition at line 145 of file AthCommonDataStore.h.

145 {
146 typedef typename SG::HandleClassifier<T>::type htype;
148 }
Gaudi::Details::PropertyBase & declareGaudiProperty(Gaudi::Property< T, V, H > &hndl, const SG::VarHandleKeyType &)
specialization for handling Gaudi::Property<SG::VarHandleKey>

◆ detStore()

const ServiceHandle< StoreGateSvc > & AthCommonDataStore< AthCommonMsg< Gaudi::Algorithm > >::detStore ( ) const
inlineinherited

The standard StoreGateSvc/DetectorStore Returns (kind of) a pointer to the StoreGateSvc.

Definition at line 95 of file AthCommonDataStore.h.

◆ evtStore()

ServiceHandle< StoreGateSvc > & AthCommonDataStore< AthCommonMsg< Gaudi::Algorithm > >::evtStore ( )
inlineinherited

The standard StoreGateSvc (event store) Returns (kind of) a pointer to the StoreGateSvc.

Definition at line 85 of file AthCommonDataStore.h.

◆ execute()

StatusCode CP::SystObjectLinkerAlg::execute ( const EventContext & ctx) const
override

Execute method, for actions to be taken in the event loop.

Definition at line 43 of file SystObjectLinkerAlg.cxx.

44 {
45
46 // Populate a map of systematics hash to container, so we
47 // can iterate safely regardless of the ordering of systs
48 // from the SystematicsSvc
49 // (mainly avoid assumption that nominal comes first)
50 std::unordered_map<std::size_t, const xAOD::IParticleContainer*> systhash_to_container;
51 systhash_to_container.reserve(m_systematicsList.systematicsVector().size());
52 // Record the hash for the nominal for easier access
53 size_t nominal_hash{SIZE_MAX};
54 // Loop is over CP::SystematicsSet, but recommended to use auto
55 // in case this ever changes...
56 for (const auto& sys : m_systematicsList.systematicsVector())
57 {
58 const xAOD::IParticleContainer* sys_container = nullptr;
59 ATH_CHECK( m_inputHandle.retrieve(sys_container, sys) );
60
61 // Record the hash for the nominal
62 if(sys.name().empty()) {nominal_hash = sys.hash();}
63
64 // We can't find the original container if the systematics
65 // copies are empty. This is a slight vulnerability.
66 if (sys_container->empty()) {
67 ATH_MSG_DEBUG("Container for systematic variation '" << sys.name() << "' was empty.");
68 systhash_to_container.insert({sys.hash(), nullptr});
69 continue;
70 }
71
72 // Navigate to the full container, as this may be a view container
73 // holding a subset of the objects
74 // Cast from SG::AuxVectorData
75 const xAOD::IParticleContainer* full_container =
76 static_cast<const xAOD::IParticleContainer*>(sys_container->front()->container());
77 systhash_to_container.insert({sys.hash(), full_container});
78 if(full_container == sys_container) {
79 ATH_MSG_VERBOSE("The unfiltered container and the input container are the same.");
80 } else {
81 ATH_MSG_DEBUG("Read in container with " << sys_container->size() << " elements.");
82 ATH_MSG_DEBUG("Traced back to unfiltered container with " << full_container->size() << " elements.");
83 }
84 }
85
86 if(nominal_hash==SIZE_MAX) {
87 ATH_MSG_ERROR("The nominal variation was not detected!");
88 return StatusCode::FAILURE;
89 }
90
91 // Iterate over the nominal container, extract the index-parallel syst
92 // Then apply the bidirectional links as decorations
93 const xAOD::IParticleContainer* nom_cont = systhash_to_container[nominal_hash];
94 if(nom_cont==nullptr) {
95 ATH_MSG_DEBUG("Unable to retrieve the nominal container, will have to assume there are no relevant objects");
96 return StatusCode::SUCCESS;
97 }
98
99 for (const xAOD::IParticle* nom_obj : *nom_cont) {
100 for (const auto& sys : m_systematicsList.systematicsVector()) {
101 if(sys.hash()==nominal_hash) {continue;}
102 const xAOD::IParticleContainer *var_cont = systhash_to_container[sys.hash()];
103 if(var_cont==nullptr) {
104 ATH_MSG_ERROR("Cannot decorate syst '" << sys.name() << "' for obj " << nom_obj->index());
105 ATH_MSG_ERROR("Likely the systematics input container was empty after filtering.");
106 //must return here, the var_cont pointer is dereferenced in the next line
107 return StatusCode::FAILURE;
108 }
109 const xAOD::IParticle* var_obj = (*var_cont)[nom_obj->index()];
110 dec_nominalObject(*var_obj) = iplink_t(*nom_cont, nom_obj->index());
111 ATH_MSG_VERBOSE("Writing decoration " << m_syst_link_decor.getName(sys) << " from object " << nom_obj->index());
112 m_syst_link_decor.set(*nom_obj, iplink_t(*var_cont, var_obj->index()), sys);
113 ATH_MSG_VERBOSE("Nominal object with pt " << std::setprecision(3) << nom_obj->pt()/1e3 << " GeV linked to");
114 ATH_MSG_VERBOSE(" '" << sys.name() << "' varied object with pt " << std::setprecision(3) << var_obj->pt()/1e3 << " GeV.");
115 }
116 }
117
118 return StatusCode::SUCCESS;
119 }
#define ATH_CHECK
Evaluate an expression and check for errors.
#define ATH_MSG_ERROR(x)
#define ATH_MSG_VERBOSE(x)
#define ATH_MSG_DEBUG(x)
static const SG::Decorator< iplink_t > dec_nominalObject("nominalObjectLink")
CP::SysReadHandle< xAOD::IParticleContainer > m_inputHandle
Setup syst-aware input container handles.
CP::SysListHandle m_systematicsList
We use default finalize() – this is for cleanup, and we don't do any.
CP::SysWriteDecorHandle< ElementLink< xAOD::IParticleContainer > > m_syst_link_decor
Setup sys-aware output decorations.
const T * front() const
Access the first element in the collection as an rvalue.
size_type size() const noexcept
Returns the number of elements in the collection.
bool empty() const noexcept
Returns true if the collection is empty.
size_t index() const
Return the index of this element within its container.
virtual double pt() const =0
The transverse momentum ( ) of the particle.
ElementLink< xAOD::IParticleContainer > iplink_t
DataVector< IParticle > IParticleContainer
Simple convenience declaration of IParticleContainer.

◆ extraDeps_update_handler()

void AthCommonDataStore< AthCommonMsg< Gaudi::Algorithm > >::extraDeps_update_handler ( Gaudi::Details::PropertyBase & ExtraDeps)
protectedinherited

Add StoreName to extra input/output deps as needed.

use the logic of the VarHandleKey to parse the DataObjID keys supplied via the ExtraInputs and ExtraOuputs Properties to add the StoreName if it's not explicitly given

◆ extraOutputDeps()

const DataObjIDColl & AthCommonReentrantAlgorithm< Gaudi::Algorithm >::extraOutputDeps ( ) const
overridevirtualinherited

Return the list of extra output dependencies.

This list is extended to include symlinks implied by inheritance relations.

Definition at line 94 of file AthCommonReentrantAlgorithm.cxx.

90{
91 // If we didn't find any symlinks to add, just return the collection
92 // from the base class. Otherwise, return the extended collection.
93 if (!m_extendedExtraObjects.empty()) {
95 }
97}
An algorithm that can be simultaneously executed in multiple threads.

◆ filterPassed()

virtual bool AthCommonReentrantAlgorithm< Gaudi::Algorithm >::filterPassed ( const EventContext & ctx) const
inlinevirtualinherited

Definition at line 96 of file AthCommonReentrantAlgorithm.h.

96 {
97 return execState( ctx ).filterPassed();
98 }
virtual bool filterPassed(const EventContext &ctx) const

◆ finalize()

StatusCode EL::AnaReentrantAlgorithm::finalize ( )
protectedinherited

finalize this algorithm

This gets called after event processing has finished. The last event may no longer be in memory, and the code should not try to access it.

Definition at line 102 of file AnaReentrantAlgorithm.cxx.

104 {
105 return StatusCode::SUCCESS;
106 }

◆ initialize()

StatusCode CP::SystObjectLinkerAlg::initialize ( )
override

Initialisation method, for setting up tools and other persistent configs.

Definition at line 26 of file SystObjectLinkerAlg.cxx.

27 {
28
29 // Read syst-aware input handles
31
32 // Intialise syst-aware output decorators
34
35 // Intialise syst list (must come after all syst-aware inputs and outputs)
36 ATH_CHECK (m_systematicsList.initialize());
37
38 ATH_MSG_DEBUG("Adding nominal/systematic object links for " << m_inputHandle.getNamePattern());
39
40 return StatusCode::SUCCESS;
41 }

◆ inputHandles()

virtual std::vector< Gaudi::DataHandle * > AthCommonDataStore< AthCommonMsg< Gaudi::Algorithm > >::inputHandles ( ) const
overridevirtualinherited

Return this algorithm's input handles.

We override this to include handle instances from key arrays if they have not yet been declared. See comments on updateVHKA.

◆ isClonable()

◆ msg()

MsgStream & AthCommonMsg< Gaudi::Algorithm >::msg ( ) const
inlineinherited

Definition at line 24 of file AthCommonMsg.h.

24 {
25 return this->msgStream();
26 }

◆ msgLvl()

bool AthCommonMsg< Gaudi::Algorithm >::msgLvl ( const MSG::Level lvl) const
inlineinherited

Definition at line 30 of file AthCommonMsg.h.

30 {
31 return this->msgLevel(lvl);
32 }

◆ outputHandles()

virtual std::vector< Gaudi::DataHandle * > AthCommonDataStore< AthCommonMsg< Gaudi::Algorithm > >::outputHandles ( ) const
overridevirtualinherited

Return this algorithm's output handles.

We override this to include handle instances from key arrays if they have not yet been declared. See comments on updateVHKA.

◆ renounce()

std::enable_if_t< std::is_void_v< std::result_of_t< decltype(&T::renounce)(T)> > &&!std::is_base_of_v< SG::VarHandleKeyArray, T > &&std::is_base_of_v< Gaudi::DataHandle, T >, void > AthCommonDataStore< AthCommonMsg< Gaudi::Algorithm > >::renounce ( T & h)
inlineprotectedinherited

Definition at line 380 of file AthCommonDataStore.h.

381 {
382 h.renounce();
384 }
std::enable_if_t< std::is_void_v< std::result_of_t< decltype(&T::renounce)(T)> > &&!std::is_base_of_v< SG::VarHandleKeyArray, T > &&std::is_base_of_v< Gaudi::DataHandle, T >, void > renounce(T &h)

◆ renounceArray()

void AthCommonDataStore< AthCommonMsg< Gaudi::Algorithm > >::renounceArray ( SG::VarHandleKeyArray & handlesArray)
inlineprotectedinherited

remove all handles from I/O resolution

Definition at line 364 of file AthCommonDataStore.h.

364 {
366 }

◆ setFilterPassed()

virtual void AthCommonReentrantAlgorithm< Gaudi::Algorithm >::setFilterPassed ( bool state,
const EventContext & ctx ) const
inlinevirtualinherited

Definition at line 100 of file AthCommonReentrantAlgorithm.h.

100 {
102 }
virtual void setFilterPassed(bool state, const EventContext &ctx) const

◆ sysExecute()

StatusCode AthCommonReentrantAlgorithm< Gaudi::Algorithm >::sysExecute ( const EventContext & ctx)
overridevirtualinherited

Execute an algorithm.

We override this in order to work around an issue with the Algorithm base class storing the event context in a member variable that can cause crashes in MT jobs.

Definition at line 85 of file AthCommonReentrantAlgorithm.cxx.

77{
78 return BaseAlg::sysExecute (ctx);
79}

◆ sysInitialize()

StatusCode AthCommonReentrantAlgorithm< Gaudi::Algorithm >::sysInitialize ( )
overridevirtualinherited

Override sysInitialize.

Override sysInitialize from the base class.

Loop through all output handles, and if they're WriteCondHandles, automatically register them and this Algorithm with the CondSvc

Scan through all outputHandles, and if they're WriteCondHandles, register them with the CondSvc

Reimplemented from AthCommonDataStore< AthCommonMsg< Gaudi::Algorithm > >.

Reimplemented in HypoBase, and InputMakerBase.

Definition at line 61 of file AthCommonReentrantAlgorithm.cxx.

107 {
109
110 if (sc.isFailure()) {
111 return sc;
112 }
113
114 ServiceHandle<ICondSvc> cs("CondSvc",name());
115 for (auto h : outputHandles()) {
116 if (h->isCondition() && h->mode() == Gaudi::DataHandle::Writer) {
117 // do this inside the loop so we don't create the CondSvc until needed
118 if ( cs.retrieve().isFailure() ) {
119 ATH_MSG_WARNING("no CondSvc found: won't autoreg WriteCondHandles");
120 return StatusCode::SUCCESS;
121 }
122 if (cs->regHandle(this,*h).isFailure()) {
124 ATH_MSG_ERROR("unable to register WriteCondHandle " << h->fullKey()
125 << " with CondSvc");
126 }
127 }
128 }
129 return sc;
130}
#define ATH_MSG_WARNING(x)
virtual std::vector< Gaudi::DataHandle * > outputHandles() const override

◆ sysStart()

virtual StatusCode AthCommonDataStore< AthCommonMsg< Gaudi::Algorithm > >::sysStart ( )
overridevirtualinherited

Handle START transition.

We override this in order to make sure that conditions handle keys can cache a pointer to the conditions container.

◆ updateVHKA()

void AthCommonDataStore< AthCommonMsg< Gaudi::Algorithm > >::updateVHKA ( Gaudi::Details::PropertyBase & )
inlineinherited

Definition at line 308 of file AthCommonDataStore.h.

308 {
309 // debug() << "updateVHKA for property " << p.name() << " " << p.toString()
310 // << " size: " << m_vhka.size() << endmsg;
311 for (auto &a : m_vhka) {
313 for (auto k : keys) {
314 k->setOwner(this);
315 }
316 }
317 }

Member Data Documentation

◆ m_detStore

StoreGateSvc_t AthCommonDataStore< AthCommonMsg< Gaudi::Algorithm > >::m_detStore
privateinherited

Pointer to StoreGate (detector store by default)

Definition at line 393 of file AthCommonDataStore.h.

◆ m_evtStore

StoreGateSvc_t AthCommonDataStore< AthCommonMsg< Gaudi::Algorithm > >::m_evtStore
privateinherited

Pointer to StoreGate (event store by default)

Definition at line 390 of file AthCommonDataStore.h.

◆ m_extendedExtraObjects

DataObjIDColl AthCommonReentrantAlgorithm< Gaudi::Algorithm >::m_extendedExtraObjects
privateinherited

Extra output dependency collection, extended by AthAlgorithmDHUpdate to add symlinks.

Empty if no symlinks were found.

Definition at line 114 of file AthCommonReentrantAlgorithm.h.

◆ m_inputHandle

CP::SysReadHandle<xAOD::IParticleContainer> CP::SystObjectLinkerAlg::m_inputHandle { this, "input", "", "Container to read" }
private

Setup syst-aware input container handles.

Definition at line 57 of file SystObjectLinkerAlg.h.

57{ this, "input", "", "Container to read" };

◆ m_syst_link_decor

CP::SysWriteDecorHandle<ElementLink<xAOD::IParticleContainer> > CP::SystObjectLinkerAlg::m_syst_link_decor {"systVarLink_%SYS%", this}
private

Setup sys-aware output decorations.

Definition at line 61 of file SystObjectLinkerAlg.h.

61{"systVarLink_%SYS%", this};

◆ m_systematicsList

CP::SysListHandle CP::SystObjectLinkerAlg::m_systematicsList {this}
private

We use default finalize() – this is for cleanup, and we don't do any.

Setup list of systematics on which to iterate

Definition at line 53 of file SystObjectLinkerAlg.h.

53{this};

◆ m_varHandleArraysDeclared

bool AthCommonDataStore< AthCommonMsg< Gaudi::Algorithm > >::m_varHandleArraysDeclared
privateinherited

Definition at line 399 of file AthCommonDataStore.h.

◆ m_vhka

std::vector<SG::VarHandleKeyArray*> AthCommonDataStore< AthCommonMsg< Gaudi::Algorithm > >::m_vhka
privateinherited

Definition at line 398 of file AthCommonDataStore.h.


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