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TrigTauFastTrackHypoAlg.cxx
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1 /*
2  Copyright (C) 2002-2024 CERN for the benefit of the ATLAS collaboration
3 */
4 
5 #include "AthViews/ViewHelper.h"
7 
9 
10 
11 using namespace TrigCompositeUtils;
12 
13 TrigTauFastTrackHypoAlg::TrigTauFastTrackHypoAlg(const std::string& name, ISvcLocator* pSvcLocator)
14  : ::HypoBase(name, pSvcLocator)
15 {
16 
17 }
18 
19 
21 {
22  ATH_CHECK(m_hypoTools.retrieve());
23  ATH_CHECK(m_tracksKey.initialize());
25 
26  // FTF Tracks are made in views, so they are not in the EvtStore: hide them
29 
30  return StatusCode::SUCCESS;
31 }
32 
33 
34 StatusCode TrigTauFastTrackHypoAlg::execute(const EventContext& context) const
35 {
36  ATH_MSG_DEBUG("Executing " << name());
37 
38  // Retrieve previous decisions (from the previous step)
39  SG::ReadHandle<DecisionContainer> previousDecisionsHandle = SG::makeHandle(decisionInput(), context);
40  if(!previousDecisionsHandle.isValid()) {
41  ATH_MSG_DEBUG("No implicit RH for previous decisions " << decisionInput().key() << ": is this expected?");
42  return StatusCode::SUCCESS;
43  }
44 
45  ATH_MSG_DEBUG("Running with " << previousDecisionsHandle->size() << " previous decisions");
46 
47 
48  // Create output decision handle
50 
51 
52  // Prepare inputs for the decision tools
53  std::vector<ITrigTauFastTrackHypoTool::ToolInfo> toolInput;
54  int counter = -1;
55  for(const xAOD::TrigComposite* previousDecision : *previousDecisionsHandle) {
56  counter++;
57 
58  // Get View
59  const ElementLink<ViewContainer> viewEL = previousDecision->objectLink<ViewContainer>(viewString());
60  ATH_CHECK(viewEL.isValid());
61 
62  // Get RoI
63  const TrigRoiDescriptor *roi = nullptr;
64  if(!m_roiForID2ReadKey.key().empty()) {
66  ATH_CHECK(roiHandle.isValid());
67  if(roiHandle->size() != 1) {
68  ATH_MSG_ERROR("Expected exactly one updated ROI");
69  return StatusCode::FAILURE;
70  }
71  roi = roiHandle->at(0);
72  } else {
73  LinkInfo<TrigRoiDescriptorCollection> roiEL = findLink<TrigRoiDescriptorCollection>(previousDecision, initialRoIString());
74  ATH_CHECK(roiEL.isValid());
75  roi = *roiEL.link;
76  }
77 
78  // Get FTF tracks
79  SG::ReadHandle<TrackCollection> tracksHandle = ViewHelper::makeHandle(*viewEL, m_tracksKey, context);
80  ATH_CHECK(tracksHandle.isValid());
81  ATH_MSG_DEBUG("Tracks handle size: " << tracksHandle->size());
82 
83 
84  // Create new decision
85  Decision* newDecision = newDecisionIn(outputHandle.ptr(), hypoAlgNodeName());
87  if(tracksHandle->size()) {
88  // If we have tracks in the RoI, link them as the new decision's feature
89  ElementLink<TrackCollection> newTracksEL = ViewHelper::makeLink(*viewEL, tracksHandle, 0);
90  ATH_CHECK(newTracksEL.isValid());
91  newDecision->setObjectLink(featureString(), newTracksEL);
92  } else {
93  // If not, use the new decision as the feature
94  ElementLink<DecisionContainer> decisionEL = decisionToElementLink(newDecision, context);
95  ATH_CHECK(decisionEL.isValid());
96  newDecision->setObjectLink(featureString(), decisionEL);
97  }
98 
99  // Create tool input
100  toolInput.emplace_back(newDecision, roi, tracksHandle.cptr(), previousDecision);
101 
102  ATH_MSG_DEBUG("Added view, roi, tracks, previous decision to new decision " << counter << " for view " << (*viewEL)->name());
103  }
104 
105  ATH_MSG_DEBUG("Found " << toolInput.size() << " inputs to tools");
106 
107 
108  // Execute decisions from all tools
109  for(auto& tool : m_hypoTools) {
110  ATH_CHECK(tool->decide(toolInput));
111  }
112 
113 
114  ATH_CHECK(hypoBaseOutputProcessing(outputHandle));
115 
116  return StatusCode::SUCCESS;
117 }
TrigCompositeUtils::LinkInfo::link
ElementLink< T > link
Link to the feature.
Definition: LinkInfo.h:61
SG::ReadHandle::cptr
const_pointer_type cptr()
Dereference the pointer.
TrigTauFastTrackHypoAlg::m_roiForID2ReadKey
SG::ReadHandleKey< TrigRoiDescriptorCollection > m_roiForID2ReadKey
Definition: TrigTauFastTrackHypoAlg.h:32
TrigCompositeUtils::LinkInfo::isValid
bool isValid() const
Definition: LinkInfo.h:43
TrigCompositeUtils::newDecisionIn
Decision * newDecisionIn(DecisionContainer *dc, const std::string &name)
Helper method to create a Decision object, place it in the container and return a pointer to it.
Definition: TrigCompositeUtilsRoot.cxx:46
SG::ReadHandle
Definition: StoreGate/StoreGate/ReadHandle.h:70
ViewHelper::makeLink
ElementLink< T > makeLink(const SG::View *view, const SG::ReadHandle< T > &handle, size_t index)
Create EL to a collection in view.
Definition: ViewHelper.h:297
TrigCompositeUtils::hypoAlgNodeName
const std::string & hypoAlgNodeName()
Definition: TrigCompositeUtilsRoot.cxx:904
TrigTauFastTrackHypoAlg::initialize
virtual StatusCode initialize() override
Definition: TrigTauFastTrackHypoAlg.cxx:20
ViewHelper::makeHandle
SG::ReadHandle< T > makeHandle(const SG::View *view, const SG::ReadHandleKey< T > &rhKey, const EventContext &context)
navigate from the TrigComposite to nearest view and fetch object from it
Definition: ViewHelper.h:265
AthCommonDataStore< AthCommonMsg< Gaudi::Algorithm > >::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 > renounce(T &h)
Definition: AthCommonDataStore.h:380
TrigTauFastTrackHypoAlg::m_tracksKey
SG::ReadHandleKey< TrackCollection > m_tracksKey
Definition: TrigTauFastTrackHypoAlg.h:30
HypoBase::decisionInput
const SG::ReadHandleKey< TrigCompositeUtils::DecisionContainer > & decisionInput() const
methods for derived classes to access handles of the base class input other read/write handles may be...
Definition: HypoBase.cxx:16
TrigCompositeUtils::createAndStore
SG::WriteHandle< DecisionContainer > createAndStore(const SG::WriteHandleKey< DecisionContainer > &key, const EventContext &ctx)
Creates and right away records the DecisionContainer with the key.
Definition: TrigCompositeUtilsRoot.cxx:30
TrigRoiDescriptor
nope - should be used for standalone also, perhaps need to protect the class def bits #ifndef XAOD_AN...
Definition: TrigRoiDescriptor.h:56
SG::VarHandleKey::key
const std::string & key() const
Return the StoreGate ID for the referenced object.
Definition: AthToolSupport/AsgDataHandles/Root/VarHandleKey.cxx:141
ViewHelper.h
HypoBase::decisionOutput
const SG::WriteHandleKey< TrigCompositeUtils::DecisionContainer > & decisionOutput() const
methods for derived classes to access handles of the base class output other read/write handles may b...
Definition: HypoBase.cxx:20
SG::makeHandle
SG::ReadCondHandle< T > makeHandle(const SG::ReadCondHandleKey< T > &key, const EventContext &ctx=Gaudi::Hive::currentContext())
Definition: ReadCondHandle.h:270
TrigTauFastTrackHypoAlg::TrigTauFastTrackHypoAlg
TrigTauFastTrackHypoAlg(const std::string &name, ISvcLocator *pSvcLocator)
Definition: TrigTauFastTrackHypoAlg.cxx:13
TrigCompositeUtils.h
TrigTauFastTrackHypoAlg::execute
virtual StatusCode execute(const EventContext &context) const override
Definition: TrigTauFastTrackHypoAlg.cxx:34
ATH_MSG_ERROR
#define ATH_MSG_ERROR(x)
Definition: AthMsgStreamMacros.h:33
xAOD::TrigComposite_v1::setObjectLink
bool setObjectLink(const std::string &name, const ElementLink< CONTAINER > &link)
Set the link to an object.
TrigCompositeUtils::initialRoIString
const std::string & initialRoIString()
Definition: TrigCompositeUtilsRoot.cxx:868
HypoBase::hypoBaseOutputProcessing
StatusCode hypoBaseOutputProcessing(SG::WriteHandle< TrigCompositeUtils::DecisionContainer > &outputHandle, MSG::Level lvl=MSG::DEBUG) const
Base class function to be called once slice specific code has finished. Handles debug printing and va...
Definition: HypoBase.cxx:33
EL::StatusCode
::StatusCode StatusCode
StatusCode definition for legacy code.
Definition: PhysicsAnalysis/D3PDTools/EventLoop/EventLoop/StatusCode.h:22
SG::WriteHandle::ptr
pointer_type ptr()
Dereference the pointer.
ATH_MSG_DEBUG
#define ATH_MSG_DEBUG(x)
Definition: AthMsgStreamMacros.h:29
TrigCompositeUtils::decisionToElementLink
ElementLink< DecisionContainer > decisionToElementLink(const Decision *d, const EventContext &ctx)
Takes a raw pointer to a Decision and returns an ElementLink to the Decision.
Definition: TrigCompositeUtilsRoot.cxx:122
ATH_CHECK
#define ATH_CHECK
Definition: AthCheckMacros.h:40
SG::VarHandleKey::initialize
StatusCode initialize(bool used=true)
If this object is used as a property, then this should be called during the initialize phase.
Definition: AthToolSupport/AsgDataHandles/Root/VarHandleKey.cxx:103
xAOD::TrigComposite_v1
Class used to describe composite objects in the HLT.
Definition: TrigComposite_v1.h:52
TrigTauFastTrackHypoAlg.h
SG::ReadHandle::isValid
virtual bool isValid() override final
Can the handle be successfully dereferenced?
TrigCompositeUtils::featureString
const std::string & featureString()
Definition: TrigCompositeUtilsRoot.cxx:884
name
std::string name
Definition: Control/AthContainers/Root/debug.cxx:228
AtlCoolConsole.tool
tool
Definition: AtlCoolConsole.py:453
TrigTauFastTrackHypoAlg::m_hypoTools
ToolHandleArray< ITrigTauFastTrackHypoTool > m_hypoTools
Definition: TrigTauFastTrackHypoAlg.h:28
SG::WriteHandle
Definition: StoreGate/StoreGate/WriteHandle.h:76
TrigCompositeUtils::linkToPrevious
void linkToPrevious(Decision *d, const std::string &previousCollectionKey, size_t previousIndex)
Links to the previous object, location of previous 'seed' decision supplied by hand.
Definition: TrigCompositeUtilsRoot.cxx:139
TrigCompositeUtils::LinkInfo
Helper to keep a Decision object, ElementLink and ActiveState (with respect to some requested ChainGr...
Definition: LinkInfo.h:28
TrigCompositeUtils
Definition: Event/xAOD/xAODTrigger/xAODTrigger/TrigComposite.h:19
DataVector::at
const T * at(size_type n) const
Access an element, as an rvalue.
test_pyathena.counter
counter
Definition: test_pyathena.py:15
SG::AllowEmpty
@ AllowEmpty
Definition: StoreGate/StoreGate/VarHandleKey.h:30
DataVector::size
size_type size() const noexcept
Returns the number of elements in the collection.
TrigCompositeUtils::viewString
const std::string & viewString()
Definition: TrigCompositeUtilsRoot.cxx:880
mapkey::key
key
Definition: TElectronEfficiencyCorrectionTool.cxx:37
ViewContainer
Definition: View.h:158