Belle II Software light-2406-ragdoll
PostMergeUpdaterModule Class Reference

If the content of two DataStores are merged using the 'MergeDataStoreModule', several kinematic properties might need fix. More...

#include <PostMergeUpdaterModule.h>

Inheritance diagram for PostMergeUpdaterModule:
Collaboration diagram for PostMergeUpdaterModule:

Public Types

enum  EModulePropFlags {
  c_Input = 1 ,
  c_Output = 2 ,
  c_ParallelProcessingCertified = 4 ,
  c_HistogramManager = 8 ,
  c_InternalSerializer = 16 ,
  c_TerminateInAllProcesses = 32 ,
  c_DontCollectStatistics = 64
}
 Each module can be tagged with property flags, which indicate certain features of the module. More...
 
typedef ModuleCondition::EAfterConditionPath EAfterConditionPath
 Forward the EAfterConditionPath definition from the ModuleCondition.
 

Public Member Functions

 PostMergeUpdaterModule ()
 Constructor.
 
virtual void initialize () override
 Initialize the Module.
 
virtual void event () override
 Event processor.
 
virtual std::vector< std::string > getFileNames (bool outputFiles)
 Return a list of output filenames for this modules.
 
virtual void beginRun ()
 Called when entering a new run.
 
virtual void endRun ()
 This method is called if the current run ends.
 
virtual void terminate ()
 This method is called at the end of the event processing.
 
const std::string & getName () const
 Returns the name of the module.
 
const std::string & getType () const
 Returns the type of the module (i.e.
 
const std::string & getPackage () const
 Returns the package this module is in.
 
const std::string & getDescription () const
 Returns the description of the module.
 
void setName (const std::string &name)
 Set the name of the module.
 
void setPropertyFlags (unsigned int propertyFlags)
 Sets the flags for the module properties.
 
LogConfiggetLogConfig ()
 Returns the log system configuration.
 
void setLogConfig (const LogConfig &logConfig)
 Set the log system configuration.
 
void setLogLevel (int logLevel)
 Configure the log level.
 
void setDebugLevel (int debugLevel)
 Configure the debug messaging level.
 
void setAbortLevel (int abortLevel)
 Configure the abort log level.
 
void setLogInfo (int logLevel, unsigned int logInfo)
 Configure the printed log information for the given level.
 
void if_value (const std::string &expression, const std::shared_ptr< Path > &path, EAfterConditionPath afterConditionPath=EAfterConditionPath::c_End)
 Add a condition to the module.
 
void if_false (const std::shared_ptr< Path > &path, EAfterConditionPath afterConditionPath=EAfterConditionPath::c_End)
 A simplified version to add a condition to the module.
 
void if_true (const std::shared_ptr< Path > &path, EAfterConditionPath afterConditionPath=EAfterConditionPath::c_End)
 A simplified version to set the condition of the module.
 
bool hasCondition () const
 Returns true if at least one condition was set for the module.
 
const ModuleConditiongetCondition () const
 Return a pointer to the first condition (or nullptr, if none was set)
 
const std::vector< ModuleCondition > & getAllConditions () const
 Return all set conditions for this module.
 
bool evalCondition () const
 If at least one condition was set, it is evaluated and true returned if at least one condition returns true.
 
std::shared_ptr< PathgetConditionPath () const
 Returns the path of the last true condition (if there is at least one, else reaturn a null pointer).
 
Module::EAfterConditionPath getAfterConditionPath () const
 What to do after the conditional path is finished.
 
std::vector< std::shared_ptr< Path > > getAllConditionPaths () const
 Return all condition paths currently set (no matter if the condition is true or not).
 
bool hasProperties (unsigned int propertyFlags) const
 Returns true if all specified property flags are available in this module.
 
bool hasUnsetForcedParams () const
 Returns true and prints error message if the module has unset parameters which the user has to set in the steering file.
 
const ModuleParamListgetParamList () const
 Return module param list.
 
template<typename T >
ModuleParam< T > & getParam (const std::string &name) const
 Returns a reference to a parameter.
 
bool hasReturnValue () const
 Return true if this module has a valid return value set.
 
int getReturnValue () const
 Return the return value set by this module.
 
std::shared_ptr< PathElementclone () const override
 Create an independent copy of this module.
 
std::shared_ptr< boost::python::list > getParamInfoListPython () const
 Returns a python list of all parameters.
 

Static Public Member Functions

static void exposePythonAPI ()
 Exposes methods of the Module class to Python.
 

Protected Member Functions

virtual void def_initialize ()
 Wrappers to make the methods without "def_" prefix callable from Python.
 
virtual void def_beginRun ()
 Wrapper method for the virtual function beginRun() that has the implementation to be used in a call from Python.
 
virtual void def_event ()
 Wrapper method for the virtual function event() that has the implementation to be used in a call from Python.
 
virtual void def_endRun ()
 This method can receive that the current run ends as a call from the Python side.
 
virtual void def_terminate ()
 Wrapper method for the virtual function terminate() that has the implementation to be used in a call from Python.
 
void setDescription (const std::string &description)
 Sets the description of the module.
 
void setType (const std::string &type)
 Set the module type.
 
template<typename T >
void addParam (const std::string &name, T &paramVariable, const std::string &description, const T &defaultValue)
 Adds a new parameter to the module.
 
template<typename T >
void addParam (const std::string &name, T &paramVariable, const std::string &description)
 Adds a new enforced parameter to the module.
 
void setReturnValue (int value)
 Sets the return value for this module as integer.
 
void setReturnValue (bool value)
 Sets the return value for this module as bool.
 
void setParamList (const ModuleParamList &params)
 Replace existing parameter list.
 

Private Member Functions

TRotation tag_vertex_rotation ()
 Helper function to determine rotation matrix.
 
void cluster_rotation (const TRotation &rot)
 Rotate clusters.
 
std::list< ModulePtrgetModules () const override
 no submodules, return empty list
 
std::string getPathString () const override
 return the module name.
 
void setParamPython (const std::string &name, const boost::python::object &pyObj)
 Implements a method for setting boost::python objects.
 
void setParamPythonDict (const boost::python::dict &dictionary)
 Implements a method for reading the parameter values from a boost::python dictionary.
 

Private Attributes

StoreArray< TrackFitResultm_trackFits
 track fits
 
StoreArray< Trackm_tracks
 tracks
 
StoreArray< ECLClusterm_eclclusters
 StoreArray of ECLCluster.
 
StoreObjPtr< EventExtraInfom_eventExtraInfo
 Event extra info.
 
StoreObjPtr< EventExtraInfom_eventExtraInfo_orig
 Event extra info original.
 
StoreObjPtr< EventExtraInfom_mergedArrayIndices
 indices where the StoreArrays were merged
 
bool m_mixing
 Fix to common vertex.
 
bool m_isCharged
 B+ or B0.
 
std::string m_name
 The name of the module, saved as a string (user-modifiable)
 
std::string m_type
 The type of the module, saved as a string.
 
std::string m_package
 Package this module is found in (may be empty).
 
std::string m_description
 The description of the module.
 
unsigned int m_propertyFlags
 The properties of the module as bitwise or (with |) of EModulePropFlags.
 
LogConfig m_logConfig
 The log system configuration of the module.
 
ModuleParamList m_moduleParamList
 List storing and managing all parameter of the module.
 
bool m_hasReturnValue
 True, if the return value is set.
 
int m_returnValue
 The return value.
 
std::vector< ModuleConditionm_conditions
 Module condition, only non-null if set.
 

Detailed Description

If the content of two DataStores are merged using the 'MergeDataStoreModule', several kinematic properties might need fix.

Definition at line 35 of file PostMergeUpdaterModule.h.

Member Typedef Documentation

◆ EAfterConditionPath

Forward the EAfterConditionPath definition from the ModuleCondition.

Definition at line 88 of file Module.h.

Member Enumeration Documentation

◆ EModulePropFlags

enum EModulePropFlags
inherited

Each module can be tagged with property flags, which indicate certain features of the module.

Enumerator
c_Input 

This module is an input module (reads data).

c_Output 

This module is an output module (writes data).

c_ParallelProcessingCertified 

This module can be run in parallel processing mode safely (All I/O must be done through the data store, in particular, the module must not write any files.)

c_HistogramManager 

This module is used to manage histograms accumulated by other modules.

c_InternalSerializer 

This module is an internal serializer/deserializer for parallel processing.

c_TerminateInAllProcesses 

When using parallel processing, call this module's terminate() function in all processes().

This will also ensure that there is exactly one process (single-core if no parallel modules found) or at least one input, one main and one output process.

c_DontCollectStatistics 

No statistics is collected for this module.

Definition at line 77 of file Module.h.

77 {
78 c_Input = 1,
79 c_Output = 2,
85 };
@ c_HistogramManager
This module is used to manage histograms accumulated by other modules.
Definition: Module.h:81
@ c_Input
This module is an input module (reads data).
Definition: Module.h:78
@ c_DontCollectStatistics
No statistics is collected for this module.
Definition: Module.h:84
@ c_ParallelProcessingCertified
This module can be run in parallel processing mode safely (All I/O must be done through the data stor...
Definition: Module.h:80
@ c_InternalSerializer
This module is an internal serializer/deserializer for parallel processing.
Definition: Module.h:82
@ c_Output
This module is an output module (writes data).
Definition: Module.h:79
@ c_TerminateInAllProcesses
When using parallel processing, call this module's terminate() function in all processes().
Definition: Module.h:83

Constructor & Destructor Documentation

◆ PostMergeUpdaterModule()

Constructor.

Definition at line 25 of file PostMergeUpdaterModule.cc.

25 : Module()
26{
27 setDescription("Synchronize parts of the events post merge/embedding. Used in the signal embedding pipeline. Uses kinematic information for the tag / simulated decay stored in eventExtraInfo.");
28 addParam("Mixing", m_mixing, "Mixing (true) or embedding (false) corrections", false);
29 addParam("isCharged", m_isCharged, "Charged (true) or neutral (false) B mesons", true);
30}
void setDescription(const std::string &description)
Sets the description of the module.
Definition: Module.cc:214
Module()
Constructor.
Definition: Module.cc:30
bool m_mixing
Fix to common vertex.
void addParam(const std::string &name, T &paramVariable, const std::string &description, const T &defaultValue)
Adds a new parameter to the module.
Definition: Module.h:560

Member Function Documentation

◆ beginRun()

◆ clone()

std::shared_ptr< PathElement > clone ( ) const
overridevirtualinherited

Create an independent copy of this module.

Note that parameters are shared, so changing them on a cloned module will also affect the original module.

Implements PathElement.

Definition at line 179 of file Module.cc.

180{
182 newModule->m_moduleParamList.setParameters(getParamList());
183 newModule->setName(getName());
184 newModule->m_package = m_package;
185 newModule->m_propertyFlags = m_propertyFlags;
186 newModule->m_logConfig = m_logConfig;
187 newModule->m_conditions = m_conditions;
188
189 return newModule;
190}
std::shared_ptr< Module > registerModule(const std::string &moduleName, std::string sharedLibPath="") noexcept(false)
Creates an instance of a module and registers it to the ModuleManager.
static ModuleManager & Instance()
Exception is thrown if the requested module could not be created by the ModuleManager.
const ModuleParamList & getParamList() const
Return module param list.
Definition: Module.h:363
const std::string & getName() const
Returns the name of the module.
Definition: Module.h:187
const std::string & getType() const
Returns the type of the module (i.e.
Definition: Module.cc:41
unsigned int m_propertyFlags
The properties of the module as bitwise or (with |) of EModulePropFlags.
Definition: Module.h:512
LogConfig m_logConfig
The log system configuration of the module.
Definition: Module.h:514
std::vector< ModuleCondition > m_conditions
Module condition, only non-null if set.
Definition: Module.h:521
std::string m_package
Package this module is found in (may be empty).
Definition: Module.h:510
std::shared_ptr< Module > ModulePtr
Defines a pointer to a module object as a boost shared pointer.
Definition: Module.h:43

◆ cluster_rotation()

void cluster_rotation ( const TRotation &  rot)
private

Rotate clusters.

Definition at line 221 of file PostMergeUpdaterModule.cc.

222{
223 // Loop over added clusters:
224 for (int idxCl = m_mergedArrayIndices->getExtraInfo("ECLClusters"); idxCl < m_eclclusters.getEntries(); idxCl++) {
225 B2Vector3D pos = m_eclclusters[idxCl]->getClusterPosition();
226 B2Vector3D newPos = rot * pos;
227 // Keep same R, update theta/phi:
228 m_eclclusters[idxCl]->setTheta(newPos.Theta());
229 m_eclclusters[idxCl]->setPhi(newPos.Phi());
230 }
231}
DataType Phi() const
The azimuth angle.
Definition: B2Vector3.h:151
DataType Theta() const
The polar angle.
Definition: B2Vector3.h:153
StoreObjPtr< EventExtraInfo > m_mergedArrayIndices
indices where the StoreArrays were merged
StoreArray< ECLCluster > m_eclclusters
StoreArray of ECLCluster.

◆ def_beginRun()

virtual void def_beginRun ( )
inlineprotectedvirtualinherited

Wrapper method for the virtual function beginRun() that has the implementation to be used in a call from Python.

Reimplemented in PyModule.

Definition at line 426 of file Module.h.

426{ beginRun(); }
virtual void beginRun()
Called when entering a new run.
Definition: Module.h:147

◆ def_endRun()

virtual void def_endRun ( )
inlineprotectedvirtualinherited

This method can receive that the current run ends as a call from the Python side.

For regular C++-Modules that forwards the call to the regular endRun() method.

Reimplemented in PyModule.

Definition at line 439 of file Module.h.

439{ endRun(); }
virtual void endRun()
This method is called if the current run ends.
Definition: Module.h:166

◆ def_event()

virtual void def_event ( )
inlineprotectedvirtualinherited

Wrapper method for the virtual function event() that has the implementation to be used in a call from Python.

Reimplemented in PyModule.

Definition at line 432 of file Module.h.

432{ event(); }
virtual void event()
This method is the core of the module.
Definition: Module.h:157

◆ def_initialize()

virtual void def_initialize ( )
inlineprotectedvirtualinherited

Wrappers to make the methods without "def_" prefix callable from Python.

Overridden in PyModule. Wrapper method for the virtual function initialize() that has the implementation to be used in a call from Python.

Reimplemented in PyModule.

Definition at line 420 of file Module.h.

420{ initialize(); }
virtual void initialize()
Initialize the Module.
Definition: Module.h:109

◆ def_terminate()

virtual void def_terminate ( )
inlineprotectedvirtualinherited

Wrapper method for the virtual function terminate() that has the implementation to be used in a call from Python.

Reimplemented in PyModule.

Definition at line 445 of file Module.h.

445{ terminate(); }
virtual void terminate()
This method is called at the end of the event processing.
Definition: Module.h:176

◆ endRun()

virtual void endRun ( )
inlinevirtualinherited

◆ evalCondition()

bool evalCondition ( ) const
inherited

If at least one condition was set, it is evaluated and true returned if at least one condition returns true.

If no condition or result value was defined, the method returns false. Otherwise, the condition is evaluated and true returned, if at least one condition returns true. To speed up the evaluation, the condition strings were already parsed in the method if_value().

Returns
True if at least one condition and return value exists and at least one condition expression was evaluated to true.

Definition at line 96 of file Module.cc.

97{
98 if (m_conditions.empty()) return false;
99
100 //okay, a condition was set for this Module...
101 if (!m_hasReturnValue) {
102 B2FATAL("A condition was set for '" << getName() << "', but the module did not set a return value!");
103 }
104
105 for (const auto& condition : m_conditions) {
106 if (condition.evaluate(m_returnValue)) {
107 return true;
108 }
109 }
110 return false;
111}
int m_returnValue
The return value.
Definition: Module.h:519
bool m_hasReturnValue
True, if the return value is set.
Definition: Module.h:518

◆ event()

void event ( )
overridevirtual

Event processor.

Reimplemented from Module.

Definition at line 104 of file PostMergeUpdaterModule.cc.

105{
106 if (m_mixing) {
107 // get beam vertex for P2:
108 if (m_eventExtraInfo->hasExtraInfo("IPX")
109 and m_eventExtraInfo->hasExtraInfo("IPY")
110 and m_eventExtraInfo->hasExtraInfo("IPZ")) {
111 double xv2 = m_eventExtraInfo->getExtraInfo("IPX");
112 double yv2 = m_eventExtraInfo->getExtraInfo("IPY");
113 double zv2 = m_eventExtraInfo->getExtraInfo("IPZ");
114 const B2Vector3D origSpot(xv2, yv2, zv2);
115
116 // Now vertex from DB:
117 static DBObjPtr<Belle2::BeamSpot> beamSpotDB;
118 const B2Vector3D beamSpot = beamSpotDB->getIPPosition();
119
120 const TRotation rot = tag_vertex_rotation();
121 const double bz = BFieldManager::getFieldInTesla(beamSpot).Z();
122
123 // Loop over track fit results from the attached part of the event:
124 // Loop over new tracks and corresponding track fit results
125 for (int idxTr = m_mergedArrayIndices->getExtraInfo("Tracks"); idxTr < m_tracks.getEntries(); idxTr++) {
126 for (short int i : m_tracks[idxTr]->getValidIndices()) {
127 auto t_idx = m_tracks[idxTr]->m_trackFitIndices[i];
128
129 short charge = m_trackFits[t_idx]->getChargeSign();
130 auto helixO = m_trackFits[t_idx]->getHelix();
131 // Move track such that IP becomes centered at the beamSpot
132 helixO.passiveMoveBy(origSpot - beamSpot);
133
134 // Also Rotate:
135 B2Vector3D position = helixO.getPerigee();
136 B2Vector3D momentum = rot * B2Vector3D(helixO.getMomentum(bz));
137
138 // New helix
139 // Helix helix(position, momentum, charge, bz);
140 Helix helix(ROOT::Math::XYZVector(position.X(), position.Y(), position.Z()),
141 ROOT::Math::XYZVector(momentum.X(), momentum.Y(), momentum.Z()), charge, bz);
142
143 // Store back in the mdst:
144 m_trackFits[t_idx]->m_tau[TrackFitResult::iD0] = helix.getD0();
145 m_trackFits[t_idx]->m_tau[TrackFitResult::iPhi0] = helix.getPhi0();
146 m_trackFits[t_idx]->m_tau[TrackFitResult::iOmega] = helix.getOmega();
147 m_trackFits[t_idx]->m_tau[TrackFitResult::iZ0] = helix.getZ0();
148 m_trackFits[t_idx]->m_tau[TrackFitResult::iTanLambda] = helix.getTanLambda();
149
150 }
151 }
152 // also ECL clusters:
153 cluster_rotation(rot);
154
155 } else {
156 B2ERROR("No vertex info, can not update tracks");
157 }
158
159 } else {
160 if (
161 m_eventExtraInfo_orig->hasExtraInfo("X")
162 and m_eventExtraInfo_orig->hasExtraInfo("Y")
163 and m_eventExtraInfo_orig->hasExtraInfo("Z")
164 and m_eventExtraInfo->hasExtraInfo("X")
165 and m_eventExtraInfo->hasExtraInfo("Y")
166 and m_eventExtraInfo->hasExtraInfo("Z")
167 ) {
168
169 B2Vector3D vertexTag(m_eventExtraInfo_orig->getExtraInfo("X"),
170 m_eventExtraInfo_orig->getExtraInfo("Y"),
171 m_eventExtraInfo_orig->getExtraInfo("Z"));
172
173 B2Vector3D vertexEmb(m_eventExtraInfo->getExtraInfo("X"),
174 m_eventExtraInfo->getExtraInfo("Y"),
175 m_eventExtraInfo->getExtraInfo("Z"));
176
177 const double bz = BFieldManager::getFieldInTesla(vertexTag).Z();
178 const TRotation rot = tag_vertex_rotation();
179
180 // Loop over new tracks and corresponding track fit results
181 for (int idxTr = m_mergedArrayIndices->getExtraInfo("Tracks"); idxTr < m_tracks.getEntries(); idxTr++) {
182 for (short int i : m_tracks[idxTr]->getValidIndices()) {
183 auto t_idx = m_tracks[idxTr]->m_trackFitIndices[i];
184
185 // get d0, z0 vs original simulated-truth vertex. They include smearing due to reconstruction.
186 auto helix = m_trackFits[t_idx]->getHelix();
187 helix.passiveMoveBy(vertexEmb);
188
189 B2Vector3D mom = m_trackFits[t_idx]->getMomentum();
190 short charge = m_trackFits[t_idx]->getChargeSign();
191
192 // Rotate (no boost for now)
193 B2Vector3D momTag = rot * mom;
194
195 // Define new helix "h", based on tag vertex position and rotated track momentum. Note that the vertex position is usually well
196 // reconstructed and smearing in the track position parameters (d0,z0) for the helix h is not sufficient. In addition,
197 // for embedding channels with multiple tracks we need an extra smearing for each track individually. To take into account correlations,
198 // at least to first order, we used determined above (d0,z0) parameters from the track vs original simulated vertex.
199
200 Helix h(vertexTag, momTag, charge, bz);
201
202 m_trackFits[t_idx]->m_tau[TrackFitResult::iD0] = h.getD0() + helix.getD0(); // include smearing simulated -> reconstructed
203 m_trackFits[t_idx]->m_tau[TrackFitResult::iPhi0] = h.getPhi0();
204 m_trackFits[t_idx]->m_tau[TrackFitResult::iZ0] = h.getZ0() + helix.getZ0(); // include smearing simulated -> reconstructed
205 m_trackFits[t_idx]->m_tau[TrackFitResult::iTanLambda] = h.getTanLambda();
206 m_trackFits[t_idx]->m_tau[TrackFitResult::iOmega] = h.getOmega();
207
208 }
209 }
210 cluster_rotation(rot);
211 }
212
213 else {
214 B2ERROR("No track parameters info, can not update tracks");
215 }
216 }
217
218}
DataType Z() const
access variable Z (= .at(2) without boundary check)
Definition: B2Vector3.h:435
DataType X() const
access variable X (= .at(0) without boundary check)
Definition: B2Vector3.h:431
DataType Y() const
access variable Y (= .at(1) without boundary check)
Definition: B2Vector3.h:433
static ROOT::Math::XYZVector getFieldInTesla(const ROOT::Math::XYZVector &pos)
return the magnetic field at a given position in Tesla.
Definition: BFieldManager.h:61
Class for accessing objects in the database.
Definition: DBObjPtr.h:21
This class represents an ideal helix in perigee parameterization.
Definition: Helix.h:59
StoreObjPtr< EventExtraInfo > m_eventExtraInfo_orig
Event extra info original.
TRotation tag_vertex_rotation()
Helper function to determine rotation matrix.
StoreArray< Track > m_tracks
tracks
void cluster_rotation(const TRotation &rot)
Rotate clusters.
StoreArray< TrackFitResult > m_trackFits
track fits
StoreObjPtr< EventExtraInfo > m_eventExtraInfo
Event extra info.
static const unsigned int iZ0
Index for z0.
static const unsigned int iTanLambda
Index tan lambda.
static const unsigned int iD0
Index for d0.
static const unsigned int iOmega
Index for omega.
static const unsigned int iPhi0
Index for phi0.
B2Vector3< double > B2Vector3D
typedef for common usage with double
Definition: B2Vector3.h:516
double charge(int pdgCode)
Returns electric charge of a particle with given pdg code.
Definition: EvtPDLUtil.cc:44

◆ exposePythonAPI()

void exposePythonAPI ( )
staticinherited

Exposes methods of the Module class to Python.

Definition at line 325 of file Module.cc.

326{
327 // to avoid confusion between std::arg and boost::python::arg we want a shorthand namespace as well
328 namespace bp = boost::python;
329
330 docstring_options options(true, true, false); //userdef, py sigs, c++ sigs
331
332 void (Module::*setReturnValueInt)(int) = &Module::setReturnValue;
333
334 enum_<Module::EAfterConditionPath>("AfterConditionPath",
335 R"(Determines execution behaviour after a conditional path has been executed:
336
337.. attribute:: END
338
339 End processing of this path after the conditional path. (this is the default for if_value() etc.)
340
341.. attribute:: CONTINUE
342
343 After the conditional path, resume execution after this module.)")
344 .value("END", Module::EAfterConditionPath::c_End)
345 .value("CONTINUE", Module::EAfterConditionPath::c_Continue)
346 ;
347
348 /* Do not change the names of >, <, ... we use them to serialize conditional pathes */
349 enum_<Belle2::ModuleCondition::EConditionOperators>("ConditionOperator")
356 ;
357
358 enum_<Module::EModulePropFlags>("ModulePropFlags",
359 R"(Flags to indicate certain low-level features of modules, see :func:`Module.set_property_flags()`, :func:`Module.has_properties()`. Most useful flags are:
360
361.. attribute:: PARALLELPROCESSINGCERTIFIED
362
363 This module can be run in parallel processing mode safely (All I/O must be done through the data store, in particular, the module must not write any files.)
364
365.. attribute:: HISTOGRAMMANAGER
366
367 This module is used to manage histograms accumulated by other modules
368
369.. attribute:: TERMINATEINALLPROCESSES
370
371 When using parallel processing, call this module's terminate() function in all processes. This will also ensure that there is exactly one process (single-core if no parallel modules found) or at least one input, one main and one output process.
372)")
373 .value("INPUT", Module::EModulePropFlags::c_Input)
374 .value("OUTPUT", Module::EModulePropFlags::c_Output)
375 .value("PARALLELPROCESSINGCERTIFIED", Module::EModulePropFlags::c_ParallelProcessingCertified)
376 .value("HISTOGRAMMANAGER", Module::EModulePropFlags::c_HistogramManager)
377 .value("INTERNALSERIALIZER", Module::EModulePropFlags::c_InternalSerializer)
378 .value("TERMINATEINALLPROCESSES", Module::EModulePropFlags::c_TerminateInAllProcesses)
379 ;
380
381 //Python class definition
382 class_<Module, PyModule> module("Module", R"(
383Base class for Modules.
384
385A module is the smallest building block of the framework.
386A typical event processing chain consists of a Path containing
387modules. By inheriting from this base class, various types of
388modules can be created. To use a module, please refer to
389:func:`Path.add_module()`. A list of modules is available by running
390``basf2 -m`` or ``basf2 -m package``, detailed information on parameters is
391given by e.g. ``basf2 -m RootInput``.
392
393The 'Module Development' section in the manual provides detailed information
394on how to create modules, setting parameters, or using return values/conditions:
395https://confluence.desy.de/display/BI/Software+Basf2manual#Module_Development
396
397)");
398 module
399 .def("__str__", &Module::getPathString)
400 .def("name", &Module::getName, return_value_policy<copy_const_reference>(),
401 "Returns the name of the module. Can be changed via :func:`set_name() <Module.set_name()>`, use :func:`type() <Module.type()>` for identifying a particular module class.")
402 .def("type", &Module::getType, return_value_policy<copy_const_reference>(),
403 "Returns the type of the module (i.e. class name minus 'Module')")
404 .def("set_name", &Module::setName, args("name"), R"(
405Set custom name, e.g. to distinguish multiple modules of the same type.
406
407>>> path.add_module('EventInfoSetter')
408>>> ro = path.add_module('RootOutput', branchNames=['EventMetaData'])
409>>> ro.set_name('RootOutput_metadata_only')
410>>> print(path)
411[EventInfoSetter -> RootOutput_metadata_only]
412
413)")
414 .def("description", &Module::getDescription, return_value_policy<copy_const_reference>(),
415 "Returns the description of this module.")
416 .def("package", &Module::getPackage, return_value_policy<copy_const_reference>(),
417 "Returns the package this module belongs to.")
418 .def("available_params", &_getParamInfoListPython,
419 "Return list of all module parameters as `ModuleParamInfo` instances")
420 .def("has_properties", &Module::hasProperties, (bp::arg("properties")),
421 R"DOCSTRING(Allows to check if the module has the given properties out of `ModulePropFlags` set.
422
423>>> if module.has_properties(ModulePropFlags.PARALLELPROCESSINGCERTIFIED):
424>>> ...
425
426Parameters:
427 properties (int): bitmask of `ModulePropFlags` to check for.
428)DOCSTRING")
429 .def("set_property_flags", &Module::setPropertyFlags, args("property_mask"),
430 "Set module properties in the form of an OR combination of `ModulePropFlags`.");
431 {
432 // python signature is too crowded, make ourselves
433 docstring_options subOptions(true, false, false); //userdef, py sigs, c++ sigs
434 module
435 .def("if_value", &Module::if_value,
436 (bp::arg("expression"), bp::arg("condition_path"), bp::arg("after_condition_path")= Module::EAfterConditionPath::c_End),
437 R"DOCSTRING(if_value(expression, condition_path, after_condition_path=AfterConditionPath.END)
438
439Sets a conditional sub path which will be executed after this
440module if the return value set in the module passes the given ``expression``.
441
442Modules can define a return value (int or bool) using ``setReturnValue()``,
443which can be used in the steering file to split the Path based on this value, for example
444
445>>> module_with_condition.if_value("<1", another_path)
446
447In case the return value of the ``module_with_condition`` for a given event is
448less than 1, the execution will be diverted into ``another_path`` for this event.
449
450You could for example set a special return value if an error occurs, and divert
451the execution into a path containing :b2:mod:`RootOutput` if it is found;
452saving only the data producing/produced by the error.
453
454After a conditional path has executed, basf2 will by default stop processing
455the path for this event. This behaviour can be changed by setting the
456``after_condition_path`` argument.
457
458Parameters:
459 expression (str): Expression to determine if the conditional path should be executed.
460 This should be one of the comparison operators ``<``, ``>``, ``<=``,
461 ``>=``, ``==``, or ``!=`` followed by a numerical value for the return value
462 condition_path (Path): path to execute in case the expression is fulfilled
463 after_condition_path (AfterConditionPath): What to do once the ``condition_path`` has been executed.
464)DOCSTRING")
465 .def("if_false", &Module::if_false,
466 (bp::arg("condition_path"), bp::arg("after_condition_path")= Module::EAfterConditionPath::c_End),
467 R"DOC(if_false(condition_path, after_condition_path=AfterConditionPath.END)
468
469Sets a conditional sub path which will be executed after this module if
470the return value of the module evaluates to False. This is equivalent to
471calling `if_value` with ``expression=\"<1\"``)DOC")
472 .def("if_true", &Module::if_true,
473 (bp::arg("condition_path"), bp::arg("after_condition_path")= Module::EAfterConditionPath::c_End),
474 R"DOC(if_true(condition_path, after_condition_path=AfterConditionPath.END)
475
476Sets a conditional sub path which will be executed after this module if
477the return value of the module evaluates to True. It is equivalent to
478calling `if_value` with ``expression=\">=1\"``)DOC");
479 }
480 module
481 .def("has_condition", &Module::hasCondition,
482 "Return true if a conditional path has been set for this module "
483 "using `if_value`, `if_true` or `if_false`")
484 .def("get_all_condition_paths", &_getAllConditionPathsPython,
485 "Return a list of all conditional paths set for this module using "
486 "`if_value`, `if_true` or `if_false`")
487 .def("get_all_conditions", &_getAllConditionsPython,
488 "Return a list of all conditional path expressions set for this module using "
489 "`if_value`, `if_true` or `if_false`")
490 .add_property("logging", make_function(&Module::getLogConfig, return_value_policy<reference_existing_object>()),
@ c_GE
Greater or equal than: ">=".
@ c_SE
Smaller or equal than: "<=".
@ c_GT
Greater than: ">"
@ c_NE
Not equal: "!=".
@ c_EQ
Equal: "=" or "=="
@ c_ST
Smaller than: "<"
Base class for Modules.
Definition: Module.h:72
LogConfig & getLogConfig()
Returns the log system configuration.
Definition: Module.h:225
void if_value(const std::string &expression, const std::shared_ptr< Path > &path, EAfterConditionPath afterConditionPath=EAfterConditionPath::c_End)
Add a condition to the module.
Definition: Module.cc:79
void setPropertyFlags(unsigned int propertyFlags)
Sets the flags for the module properties.
Definition: Module.cc:208
void if_true(const std::shared_ptr< Path > &path, EAfterConditionPath afterConditionPath=EAfterConditionPath::c_End)
A simplified version to set the condition of the module.
Definition: Module.cc:90
void setReturnValue(int value)
Sets the return value for this module as integer.
Definition: Module.cc:220
void setLogConfig(const LogConfig &logConfig)
Set the log system configuration.
Definition: Module.h:230
const std::string & getDescription() const
Returns the description of the module.
Definition: Module.h:202
void if_false(const std::shared_ptr< Path > &path, EAfterConditionPath afterConditionPath=EAfterConditionPath::c_End)
A simplified version to add a condition to the module.
Definition: Module.cc:85
bool hasCondition() const
Returns true if at least one condition was set for the module.
Definition: Module.h:311
const std::string & getPackage() const
Returns the package this module is in.
Definition: Module.h:197
void setName(const std::string &name)
Set the name of the module.
Definition: Module.h:214
bool hasProperties(unsigned int propertyFlags) const
Returns true if all specified property flags are available in this module.
Definition: Module.cc:160
std::string getPathString() const override
return the module name.
Definition: Module.cc:192

◆ getAfterConditionPath()

Module::EAfterConditionPath getAfterConditionPath ( ) const
inherited

What to do after the conditional path is finished.

(defaults to c_End if no condition is set)

Definition at line 133 of file Module.cc.

134{
135 if (m_conditions.empty()) return EAfterConditionPath::c_End;
136
137 //okay, a condition was set for this Module...
138 if (!m_hasReturnValue) {
139 B2FATAL("A condition was set for '" << getName() << "', but the module did not set a return value!");
140 }
141
142 for (const auto& condition : m_conditions) {
143 if (condition.evaluate(m_returnValue)) {
144 return condition.getAfterConditionPath();
145 }
146 }
147
148 return EAfterConditionPath::c_End;
149}

◆ getAllConditionPaths()

std::vector< std::shared_ptr< Path > > getAllConditionPaths ( ) const
inherited

Return all condition paths currently set (no matter if the condition is true or not).

Definition at line 150 of file Module.cc.

151{
152 std::vector<std::shared_ptr<Path>> allConditionPaths;
153 for (const auto& condition : m_conditions) {
154 allConditionPaths.push_back(condition.getPath());
155 }
156
157 return allConditionPaths;
158}

◆ getAllConditions()

const std::vector< ModuleCondition > & getAllConditions ( ) const
inlineinherited

Return all set conditions for this module.

Definition at line 324 of file Module.h.

325 {
326 return m_conditions;
327 }

◆ getCondition()

const ModuleCondition * getCondition ( ) const
inlineinherited

Return a pointer to the first condition (or nullptr, if none was set)

Definition at line 314 of file Module.h.

315 {
316 if (m_conditions.empty()) {
317 return nullptr;
318 } else {
319 return &m_conditions.front();
320 }
321 }

◆ getConditionPath()

std::shared_ptr< Path > getConditionPath ( ) const
inherited

Returns the path of the last true condition (if there is at least one, else reaturn a null pointer).


Definition at line 113 of file Module.cc.

114{
115 PathPtr p;
116 if (m_conditions.empty()) return p;
117
118 //okay, a condition was set for this Module...
119 if (!m_hasReturnValue) {
120 B2FATAL("A condition was set for '" << getName() << "', but the module did not set a return value!");
121 }
122
123 for (const auto& condition : m_conditions) {
124 if (condition.evaluate(m_returnValue)) {
125 return condition.getPath();
126 }
127 }
128
129 // if none of the conditions were true, return a null pointer.
130 return p;
131}
std::shared_ptr< Path > PathPtr
Defines a pointer to a path object as a boost shared pointer.
Definition: Path.h:35

◆ getDescription()

const std::string & getDescription ( ) const
inlineinherited

Returns the description of the module.

Definition at line 202 of file Module.h.

202{return m_description;}
std::string m_description
The description of the module.
Definition: Module.h:511

◆ getFileNames()

virtual std::vector< std::string > getFileNames ( bool  outputFiles)
inlinevirtualinherited

Return a list of output filenames for this modules.

This will be called when basf2 is run with "--dry-run" if the module has set either the c_Input or c_Output properties.

If the parameter outputFiles is false (for modules with c_Input) the list of input filenames should be returned (if any). If outputFiles is true (for modules with c_Output) the list of output files should be returned (if any).

If a module has sat both properties this member is called twice, once for each property.

The module should return the actual list of requested input or produced output filenames (including handling of input/output overrides) so that the grid system can handle input/output files correctly.

This function should return the same value when called multiple times. This is especially important when taking the input/output overrides from Environment as they get consumed when obtained so the finalized list of output files should be stored for subsequent calls.

Reimplemented in RootInputModule, and RootOutputModule.

Definition at line 134 of file Module.h.

135 {
136 return std::vector<std::string>();
137 }

◆ getLogConfig()

LogConfig & getLogConfig ( )
inlineinherited

Returns the log system configuration.

Definition at line 225 of file Module.h.

225{return m_logConfig;}

◆ getModules()

std::list< ModulePtr > getModules ( ) const
inlineoverrideprivatevirtualinherited

no submodules, return empty list

Implements PathElement.

Definition at line 506 of file Module.h.

506{ return std::list<ModulePtr>(); }

◆ getName()

const std::string & getName ( ) const
inlineinherited

Returns the name of the module.

This can be changed via e.g. set_name() in the steering file to give more useful names if there is more than one module of the same type.

For identifying the type of a module, using getType() (or type() in Python) is recommended.

Definition at line 187 of file Module.h.

187{return m_name;}
std::string m_name
The name of the module, saved as a string (user-modifiable)
Definition: Module.h:508

◆ getPackage()

const std::string & getPackage ( ) const
inlineinherited

Returns the package this module is in.

Definition at line 197 of file Module.h.

197{return m_package;}

◆ getParamInfoListPython()

std::shared_ptr< boost::python::list > getParamInfoListPython ( ) const
inherited

Returns a python list of all parameters.

Each item in the list consists of the name of the parameter, a string describing its type, a python list of all default values and the description of the parameter.

Returns
A python list containing the parameters of this parameter list.

Definition at line 279 of file Module.cc.

280{
282}
std::shared_ptr< boost::python::list > getParamInfoListPython() const
Returns a python list of all parameters.
ModuleParamList m_moduleParamList
List storing and managing all parameter of the module.
Definition: Module.h:516

◆ getParamList()

const ModuleParamList & getParamList ( ) const
inlineinherited

Return module param list.

Definition at line 363 of file Module.h.

363{ return m_moduleParamList; }

◆ getPathString()

std::string getPathString ( ) const
overrideprivatevirtualinherited

return the module name.

Implements PathElement.

Definition at line 192 of file Module.cc.

193{
194
195 std::string output = getName();
196
197 for (const auto& condition : m_conditions) {
198 output += condition.getString();
199 }
200
201 return output;
202}

◆ getReturnValue()

int getReturnValue ( ) const
inlineinherited

Return the return value set by this module.

This value is only meaningful if hasReturnValue() is true

Definition at line 381 of file Module.h.

381{ return m_returnValue; }

◆ getType()

const std::string & getType ( ) const
inherited

Returns the type of the module (i.e.

class name minus 'Module')

Definition at line 41 of file Module.cc.

42{
43 if (m_type.empty())
44 B2FATAL("Module type not set for " << getName());
45 return m_type;
46}
std::string m_type
The type of the module, saved as a string.
Definition: Module.h:509

◆ hasCondition()

bool hasCondition ( ) const
inlineinherited

Returns true if at least one condition was set for the module.

Definition at line 311 of file Module.h.

311{ return not m_conditions.empty(); };

◆ hasProperties()

bool hasProperties ( unsigned int  propertyFlags) const
inherited

Returns true if all specified property flags are available in this module.

Parameters
propertyFlagsOred EModulePropFlags which should be compared with the module flags.

Definition at line 160 of file Module.cc.

161{
162 return (propertyFlags & m_propertyFlags) == propertyFlags;
163}

◆ hasReturnValue()

bool hasReturnValue ( ) const
inlineinherited

Return true if this module has a valid return value set.

Definition at line 378 of file Module.h.

378{ return m_hasReturnValue; }

◆ hasUnsetForcedParams()

bool hasUnsetForcedParams ( ) const
inherited

Returns true and prints error message if the module has unset parameters which the user has to set in the steering file.

Definition at line 166 of file Module.cc.

167{
169 std::string allMissing = "";
170 for (const auto& s : missing)
171 allMissing += s + " ";
172 if (!missing.empty())
173 B2ERROR("The following required parameters of Module '" << getName() << "' were not specified: " << allMissing <<
174 "\nPlease add them to your steering file.");
175 return !missing.empty();
176}
std::vector< std::string > getUnsetForcedParams() const
Returns list of unset parameters (if they are required to have a value.

◆ if_false()

void if_false ( const std::shared_ptr< Path > &  path,
EAfterConditionPath  afterConditionPath = EAfterConditionPath::c_End 
)
inherited

A simplified version to add a condition to the module.

Please note that successive calls of this function will add more than one condition to the module. If more than one condition results in true, only the last of them will be used.

Please be careful: Avoid creating cyclic paths, e.g. by linking a condition to a path which is processed before the path where this module is located in.

It is equivalent to the if_value() method, using the expression "<1". This method is meant to be used together with the setReturnValue(bool value) method.

Parameters
pathShared pointer to the Path which will be executed if the return value is false.
afterConditionPathWhat to do after executing 'path'.

Definition at line 85 of file Module.cc.

86{
87 if_value("<1", path, afterConditionPath);
88}

◆ if_true()

void if_true ( const std::shared_ptr< Path > &  path,
EAfterConditionPath  afterConditionPath = EAfterConditionPath::c_End 
)
inherited

A simplified version to set the condition of the module.

Please note that successive calls of this function will add more than one condition to the module. If more than one condition results in true, only the last of them will be used.

Please be careful: Avoid creating cyclic paths, e.g. by linking a condition to a path which is processed before the path where this module is located in.

It is equivalent to the if_value() method, using the expression ">=1". This method is meant to be used together with the setReturnValue(bool value) method.

Parameters
pathShared pointer to the Path which will be executed if the return value is true.
afterConditionPathWhat to do after executing 'path'.

Definition at line 90 of file Module.cc.

91{
92 if_value(">=1", path, afterConditionPath);
93}

◆ if_value()

void if_value ( const std::string &  expression,
const std::shared_ptr< Path > &  path,
EAfterConditionPath  afterConditionPath = EAfterConditionPath::c_End 
)
inherited

Add a condition to the module.

Please note that successive calls of this function will add more than one condition to the module. If more than one condition results in true, only the last of them will be used.

See https://confluence.desy.de/display/BI/Software+ModCondTut or ModuleCondition for a description of the syntax.

Please be careful: Avoid creating cyclic paths, e.g. by linking a condition to a path which is processed before the path where this module is located in.

Parameters
expressionThe expression of the condition.
pathShared pointer to the Path which will be executed if the condition is evaluated to true.
afterConditionPathWhat to do after executing 'path'.

Definition at line 79 of file Module.cc.

80{
81 m_conditions.emplace_back(expression, path, afterConditionPath);
82}

◆ initialize()

void initialize ( )
overridevirtual

Initialize the Module.

Reimplemented from Module.

Definition at line 32 of file PostMergeUpdaterModule.cc.

33{
34 m_mergedArrayIndices.isRequired("MergedArrayIndices");
35 m_eventExtraInfo.isRequired("EventExtraInfo_indepPath"); // indepPath suffix is hardwired for the second part of the event
36 m_eventExtraInfo_orig.isRequired("EventExtraInfo"); // original extra info
37 m_trackFits.isOptional();
38 m_tracks.isOptional();
39 m_eclclusters.isOptional();
40}

◆ setAbortLevel()

void setAbortLevel ( int  abortLevel)
inherited

Configure the abort log level.

Definition at line 67 of file Module.cc.

68{
69 m_logConfig.setAbortLevel(static_cast<LogConfig::ELogLevel>(abortLevel));
70}
ELogLevel
Definition of the supported log levels.
Definition: LogConfig.h:26
void setAbortLevel(ELogLevel abortLevel)
Configure the abort level.
Definition: LogConfig.h:112

◆ setDebugLevel()

void setDebugLevel ( int  debugLevel)
inherited

Configure the debug messaging level.

Definition at line 61 of file Module.cc.

62{
63 m_logConfig.setDebugLevel(debugLevel);
64}
void setDebugLevel(int debugLevel)
Configure the debug messaging level.
Definition: LogConfig.h:98

◆ setDescription()

void setDescription ( const std::string &  description)
protectedinherited

Sets the description of the module.

Parameters
descriptionA description of the module.

Definition at line 214 of file Module.cc.

215{
216 m_description = description;
217}

◆ setLogConfig()

void setLogConfig ( const LogConfig logConfig)
inlineinherited

Set the log system configuration.

Definition at line 230 of file Module.h.

230{m_logConfig = logConfig;}

◆ setLogInfo()

void setLogInfo ( int  logLevel,
unsigned int  logInfo 
)
inherited

Configure the printed log information for the given level.

Parameters
logLevelThe log level (one of LogConfig::ELogLevel)
logInfoWhat kind of info should be printed? ORed combination of LogConfig::ELogInfo flags.

Definition at line 73 of file Module.cc.

74{
75 m_logConfig.setLogInfo(static_cast<LogConfig::ELogLevel>(logLevel), logInfo);
76}
void setLogInfo(ELogLevel logLevel, unsigned int logInfo)
Configure the printed log information for the given level.
Definition: LogConfig.h:127

◆ setLogLevel()

void setLogLevel ( int  logLevel)
inherited

Configure the log level.

Definition at line 55 of file Module.cc.

56{
57 m_logConfig.setLogLevel(static_cast<LogConfig::ELogLevel>(logLevel));
58}
void setLogLevel(ELogLevel logLevel)
Configure the log level.
Definition: LogConfig.cc:25

◆ setName()

void setName ( const std::string &  name)
inlineinherited

Set the name of the module.

Note
The module name is set when using the REG_MODULE macro, but the module can be renamed before calling process() using the set_name() function in your steering file.
Parameters
nameThe name of the module

Definition at line 214 of file Module.h.

214{ m_name = name; };

◆ setParamList()

void setParamList ( const ModuleParamList params)
inlineprotectedinherited

Replace existing parameter list.

Definition at line 501 of file Module.h.

501{ m_moduleParamList = params; }

◆ setParamPython()

void setParamPython ( const std::string &  name,
const boost::python::object &  pyObj 
)
privateinherited

Implements a method for setting boost::python objects.

The method supports the following types: list, dict, int, double, string, bool The conversion of the python object to the C++ type and the final storage of the parameter value is done in the ModuleParam class.

Parameters
nameThe unique name of the parameter.
pyObjThe object which should be converted and stored as the parameter value.

Definition at line 234 of file Module.cc.

235{
236 LogSystem& logSystem = LogSystem::Instance();
237 logSystem.updateModule(&(getLogConfig()), getName());
238 try {
240 } catch (std::runtime_error& e) {
241 throw std::runtime_error("Cannot set parameter '" + name + "' for module '"
242 + m_name + "': " + e.what());
243 }
244
245 logSystem.updateModule(nullptr);
246}
Class for logging debug, info and error messages.
Definition: LogSystem.h:46
void updateModule(const LogConfig *moduleLogConfig=nullptr, const std::string &moduleName="")
Sets the log configuration to the given module log configuration and sets the module name This method...
Definition: LogSystem.h:191
static LogSystem & Instance()
Static method to get a reference to the LogSystem instance.
Definition: LogSystem.cc:31
void setParamPython(const std::string &name, const PythonObject &pyObj)
Implements a method for setting boost::python objects.

◆ setParamPythonDict()

void setParamPythonDict ( const boost::python::dict &  dictionary)
privateinherited

Implements a method for reading the parameter values from a boost::python dictionary.

The key of the dictionary has to be the name of the parameter and the value has to be of one of the supported parameter types.

Parameters
dictionaryThe python dictionary from which the parameter values are read.

Definition at line 249 of file Module.cc.

250{
251
252 LogSystem& logSystem = LogSystem::Instance();
253 logSystem.updateModule(&(getLogConfig()), getName());
254
255 boost::python::list dictKeys = dictionary.keys();
256 int nKey = boost::python::len(dictKeys);
257
258 //Loop over all keys in the dictionary
259 for (int iKey = 0; iKey < nKey; ++iKey) {
260 boost::python::object currKey = dictKeys[iKey];
261 boost::python::extract<std::string> keyProxy(currKey);
262
263 if (keyProxy.check()) {
264 const boost::python::object& currValue = dictionary[currKey];
265 setParamPython(keyProxy, currValue);
266 } else {
267 B2ERROR("Setting the module parameters from a python dictionary: invalid key in dictionary!");
268 }
269 }
270
271 logSystem.updateModule(nullptr);
272}
void setParamPython(const std::string &name, const boost::python::object &pyObj)
Implements a method for setting boost::python objects.
Definition: Module.cc:234

◆ setPropertyFlags()

void setPropertyFlags ( unsigned int  propertyFlags)
inherited

Sets the flags for the module properties.

Parameters
propertyFlagsbitwise OR of EModulePropFlags

Definition at line 208 of file Module.cc.

209{
210 m_propertyFlags = propertyFlags;
211}

◆ setReturnValue() [1/2]

void setReturnValue ( bool  value)
protectedinherited

Sets the return value for this module as bool.

The bool value is saved as an integer with the convention 1 meaning true and 0 meaning false. The value can be used in the steering file to divide the analysis chain into several paths.

Parameters
valueThe value of the return value.

Definition at line 227 of file Module.cc.

228{
229 m_hasReturnValue = true;
230 m_returnValue = value;
231}

◆ setReturnValue() [2/2]

void setReturnValue ( int  value)
protectedinherited

Sets the return value for this module as integer.

The value can be used in the steering file to divide the analysis chain into several paths.

Parameters
valueThe value of the return value.

Definition at line 220 of file Module.cc.

221{
222 m_hasReturnValue = true;
223 m_returnValue = value;
224}

◆ setType()

void setType ( const std::string &  type)
protectedinherited

Set the module type.

Only for use by internal modules (which don't use the normal REG_MODULE mechanism).

Definition at line 48 of file Module.cc.

49{
50 if (!m_type.empty())
51 B2FATAL("Trying to change module type from " << m_type << " is not allowed, the value is assumed to be fixed.");
52 m_type = type;
53}

◆ tag_vertex_rotation()

TRotation tag_vertex_rotation ( )
private

Helper function to determine rotation matrix.

Definition at line 42 of file PostMergeUpdaterModule.cc.

43{
44 // Unit rotation:
45 TRotation rot;
46
47 if (
48 m_eventExtraInfo_orig->hasExtraInfo("PX")
49 and m_eventExtraInfo_orig->hasExtraInfo("PY")
50 and m_eventExtraInfo_orig->hasExtraInfo("PZ")
51 and m_eventExtraInfo->hasExtraInfo("PX")
52 and m_eventExtraInfo->hasExtraInfo("PY")
53 and m_eventExtraInfo->hasExtraInfo("PZ")
54 ) {
55 // For embedding, we will rotate the simulated B in the direction of the reconstructed tag
56 B2Vector3D tag3v = B2Vector3D(m_eventExtraInfo_orig->getExtraInfo("PX"),
57 m_eventExtraInfo_orig->getExtraInfo("PY"),
58 m_eventExtraInfo_orig->getExtraInfo("PZ")
59 );
60
61 B2Vector3D sec3v = B2Vector3D(m_eventExtraInfo->getExtraInfo("PX"),
62 m_eventExtraInfo->getExtraInfo("PY"),
63 m_eventExtraInfo->getExtraInfo("PZ")
64 );
65
66 // For mixing, we want to get an opposite direction, the secondary ROE should point in the direction of the primary TAG
67 if (m_mixing) {
69
70 const int iPDG = m_isCharged ? 521 : 511 ;
71 const double mB = TDatabasePDG::Instance()->GetParticle(iPDG)->Mass();
72 double E = sqrt(mB * mB + sec3v.Mag2());
73 ROOT::Math::PxPyPzEVector sec4v(sec3v.X(), sec3v.Y(), sec3v.Z(), E);
74 ROOT::Math::PxPyPzEVector secCMS = T.labToCms(sec4v);
75
76 // reflection:
77 ROOT::Math::PxPyPzEVector secRoeCMS(-secCMS.X(), -secCMS.Y(), -secCMS.Z(), secCMS.E());
78 ROOT::Math::PxPyPzEVector sec4roe = T.cmsToLab(secRoeCMS);
79
80 // update sec3v direction:
81 sec3v.SetXYZ(sec4roe.X(), sec4roe.Y(), sec4roe.Z());
82 }
83
84
85 B2Vector3D cros = tag3v.Unit().Cross(sec3v.Unit());
86 double dot = tag3v.Unit().Dot(sec3v.Unit());
87
88 // Rotation to make secondary B point as tag B
89 rot.Rotate(-acos(dot), cros);
90
91 // Closure test that rotation does what expected:
92 B2Vector3D test = rot * sec3v;
93 double smallValue = 1e-12;
94 if ((abs(sin(test.Phi() - tag3v.Phi())) > smallValue) or (abs(test.Theta() - tag3v.Theta()) > smallValue)) {
95 B2ERROR("Loss of accuracy during rotation" << LogVar("Delta phi", abs(sin(test.Phi() - tag3v.Phi())))
96 << LogVar("Delta Theta", abs(test.Theta() - tag3v.Theta())));
97 }
98 } else {
99 B2ERROR("No momentum information provided for the tag/simulated particle list, can not update tracks");
100 }
101 return rot;
102}
B2Vector3< DataType > Cross(const B2Vector3< DataType > &p) const
Cross product.
Definition: B2Vector3.h:296
DataType Mag2() const
The magnitude squared (rho^2 in spherical coordinate system).
Definition: B2Vector3.h:157
DataType Dot(const B2Vector3< DataType > &p) const
Scalar product.
Definition: B2Vector3.h:290
B2Vector3< DataType > Unit() const
Unit vector parallel to this.
Definition: B2Vector3.h:269
void SetXYZ(DataType x, DataType y, DataType z)
set all coordinates using data type
Definition: B2Vector3.h:464
Class to hold Lorentz transformations from/to CMS and boost vector.
static ROOT::Math::PxPyPzMVector labToCms(const ROOT::Math::PxPyPzMVector &vec)
Transforms Lorentz vector into CM System.
static ROOT::Math::PxPyPzMVector cmsToLab(const ROOT::Math::PxPyPzMVector &vec)
Transforms Lorentz vector into Laboratory System.
Class to store variables with their name which were sent to the logging service.

◆ terminate()

Member Data Documentation

◆ m_conditions

std::vector<ModuleCondition> m_conditions
privateinherited

Module condition, only non-null if set.

Definition at line 521 of file Module.h.

◆ m_description

std::string m_description
privateinherited

The description of the module.

Definition at line 511 of file Module.h.

◆ m_eclclusters

StoreArray<ECLCluster> m_eclclusters
private

StoreArray of ECLCluster.

Definition at line 68 of file PostMergeUpdaterModule.h.

◆ m_eventExtraInfo

StoreObjPtr<EventExtraInfo> m_eventExtraInfo
private

Event extra info.

Definition at line 69 of file PostMergeUpdaterModule.h.

◆ m_eventExtraInfo_orig

StoreObjPtr<EventExtraInfo> m_eventExtraInfo_orig
private

Event extra info original.

Definition at line 70 of file PostMergeUpdaterModule.h.

◆ m_hasReturnValue

bool m_hasReturnValue
privateinherited

True, if the return value is set.

Definition at line 518 of file Module.h.

◆ m_isCharged

bool m_isCharged
private

B+ or B0.

Definition at line 73 of file PostMergeUpdaterModule.h.

◆ m_logConfig

LogConfig m_logConfig
privateinherited

The log system configuration of the module.

Definition at line 514 of file Module.h.

◆ m_mergedArrayIndices

StoreObjPtr<EventExtraInfo> m_mergedArrayIndices
private

indices where the StoreArrays were merged

Definition at line 71 of file PostMergeUpdaterModule.h.

◆ m_mixing

bool m_mixing
private

Fix to common vertex.

Definition at line 72 of file PostMergeUpdaterModule.h.

◆ m_moduleParamList

ModuleParamList m_moduleParamList
privateinherited

List storing and managing all parameter of the module.

Definition at line 516 of file Module.h.

◆ m_name

std::string m_name
privateinherited

The name of the module, saved as a string (user-modifiable)

Definition at line 508 of file Module.h.

◆ m_package

std::string m_package
privateinherited

Package this module is found in (may be empty).

Definition at line 510 of file Module.h.

◆ m_propertyFlags

unsigned int m_propertyFlags
privateinherited

The properties of the module as bitwise or (with |) of EModulePropFlags.

Definition at line 512 of file Module.h.

◆ m_returnValue

int m_returnValue
privateinherited

The return value.

Definition at line 519 of file Module.h.

◆ m_trackFits

StoreArray<TrackFitResult> m_trackFits
private

track fits

Definition at line 66 of file PostMergeUpdaterModule.h.

◆ m_tracks

StoreArray<Track> m_tracks
private

tracks

Definition at line 67 of file PostMergeUpdaterModule.h.

◆ m_type

std::string m_type
privateinherited

The type of the module, saved as a string.

Definition at line 509 of file Module.h.


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