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JAANET::JEvtWeightFactorTFormula Class Referenceabstract

Base class implementation for reweighting factor for simulated events according to a specifiable ROOT TFormula. More...

#include <JEvtWeightFactorTFormula.hh>

Inheritance diagram for JAANET::JEvtWeightFactorTFormula:
JAANET::JEvtWeightFactor JLANG::JClonable< JClonable_t, JDerived_t >

Classes

struct  JEvtWeightFactorTFormulaHelper
 Auxiliary class for I/O of TFormula-based event-weight factor. More...
 

Public Types

typedef JClonable< JClonable_t >::clone_type clone_type
 

Public Member Functions

 JEvtWeightFactorTFormula ()
 Default constructor. More...
 
 ~JEvtWeightFactorTFormula ()
 Virtual destructor. More...
 
void compile (const char *const formula)
 Compile given formula. More...
 
void compile ()
 Compile currently stored formula. More...
 
JProperties getProperties (const JEquationParameters &eqpars=JEvtWeightFactor::getEquationParameters()) override final
 Get properties of this class. More...
 
JProperties getProperties (const JEquationParameters &eqpars=JEvtWeightFactor::getEquationParameters()) const override final
 Get properties of this class. More...
 
std::istream & read (std::istream &in) override final
 Read event-weight factor from input. More...
 
virtual double getFactor (const Evt &evt) const =0
 Get event-weight factor of given event. More...
 
double operator() (const Evt &evt) const
 Get event-weight factor of given event. More...
 
virtual bool is_valid () const
 Check whether this event-weight factor is valid. More...
 
void check_validity () const
 Check validity of this event-weight factor. More...
 
virtual std::ostream & write (std::ostream &out) const
 Write event-weight factor to output. More...
 
virtual clone_type clone () const override
 Get clone of this object. More...
 

Static Public Member Functions

static const std::string getFormulaKey ()
 Get formula keyword. More...
 
static const char *const getTypeKey ()
 Get type keyword. More...
 
static JEquationParameters & getEquationParameters ()
 Get equation parameters. More...
 
static void setEquationParameters (const JEquationParameters &eqpars)
 Set equation parameters. More...
 

Protected Member Functions

TFormula & getFormula ()
 Retrieve TFormula. More...
 
const TFormula & getFormula () const
 Retrieve TFormula. More...
 

Detailed Description

Base class implementation for reweighting factor for simulated events according to a specifiable ROOT TFormula.

Definition at line 33 of file JEvtWeightFactorTFormula.hh.

Member Typedef Documentation

◆ clone_type

template<class JClonable_t , class JDerived_t >
typedef JClonable<JClonable_t>::clone_type JLANG::JClonable< JClonable_t, JDerived_t >::clone_type
inherited

Definition at line 61 of file JClonable.hh.

Constructor & Destructor Documentation

◆ JEvtWeightFactorTFormula()

JAANET::JEvtWeightFactorTFormula::JEvtWeightFactorTFormula ( )
inline

Default constructor.

Definition at line 42 of file JEvtWeightFactorTFormula.hh.

43  {}

◆ ~JEvtWeightFactorTFormula()

JAANET::JEvtWeightFactorTFormula::~JEvtWeightFactorTFormula ( )
inline

Virtual destructor.

Definition at line 49 of file JEvtWeightFactorTFormula.hh.

50  {}

Member Function Documentation

◆ getFormulaKey()

static const std::string JAANET::JEvtWeightFactorTFormula::getFormulaKey ( )
inlinestatic

Get formula keyword.

Returns
formula keyword

Definition at line 58 of file JEvtWeightFactorTFormula.hh.

59  {
60  return "formula";
61  }

◆ compile() [1/2]

void JAANET::JEvtWeightFactorTFormula::compile ( const char *const  formula)
inline

Compile given formula.

Parameters
formulaformula

Definition at line 69 of file JEvtWeightFactorTFormula.hh.

70  {
71  this->Clear();
72 
73  if (this->Compile(formula)) {
74  THROW(JValueOutOfRange, "JEvtWeightFactorTFormula::compile(): Could not compile formula: " << formula);
75  }
76 
77  this->check_validity();
78  }
THROW
#define THROW(JException_t, A)
Marco for throwing exception with std::ostream compatible message.
Definition: JException.hh:712
JAANET::JEvtWeightFactor::check_validity
void check_validity() const
Check validity of this event-weight factor.
Definition: JEvtWeightFactor.hh:86

◆ compile() [2/2]

void JAANET::JEvtWeightFactorTFormula::compile ( )
inline

Compile currently stored formula.

Definition at line 84 of file JEvtWeightFactorTFormula.hh.

85  {
86  compile(this->GetExpFormula());
87  }
JAANET::JEvtWeightFactorTFormula::compile
void compile()
Compile currently stored formula.
Definition: JEvtWeightFactorTFormula.hh:84

◆ getProperties() [1/2]

JProperties JAANET::JEvtWeightFactorTFormula::getProperties ( const JEquationParameters &  eqpars = JEvtWeightFactor::getEquationParameters())
inlinefinaloverridevirtual

Get properties of this class.

Parameters
eqparsequation parameters

Reimplemented from JAANET::JEvtWeightFactor.

Definition at line 95 of file JEvtWeightFactorTFormula.hh.

96  {
97  return JEvtWeightFactorTFormulaHelper(*this, eqpars);
98  }

◆ getProperties() [2/2]

JProperties JAANET::JEvtWeightFactorTFormula::getProperties ( const JEquationParameters &  eqpars = JEvtWeightFactor::getEquationParameters()) const
inlinefinaloverridevirtual

Get properties of this class.

Parameters
eqparsequation parameters

Reimplemented from JAANET::JEvtWeightFactor.

Definition at line 106 of file JEvtWeightFactorTFormula.hh.

107  {
108  return JEvtWeightFactorTFormulaHelper(*this, eqpars);
109  }

◆ read()

std::istream& JAANET::JEvtWeightFactorTFormula::read ( std::istream &  in)
inlinefinaloverridevirtual

Read event-weight factor from input.

Parameters
ininput stream
Returns
input stream

Reimplemented from JAANET::JEvtWeightFactor.

Definition at line 118 of file JEvtWeightFactorTFormula.hh.

119  {
120  using namespace std;
121 
122  this->Clear();
123 
124  streampos pos = in.tellg();
125 
126  JProperties properties = getProperties();
127  in >> properties;
128 
129  this->compile();
130 
131  in.clear(); // Rewind to read parameters
132  in.seekg(pos);
133 
134  properties = getProperties();
135  in >> properties;
136 
137  return in;
138  }
JAANET::JEvtWeightFactorTFormula::getProperties
JProperties getProperties(const JEquationParameters &eqpars=JEvtWeightFactor::getEquationParameters()) override final
Get properties of this class.
Definition: JEvtWeightFactorTFormula.hh:95
JEEP::JProperties
Utility class to parse parameter values.
Definition: JProperties.hh:501
std
Definition: JSTDTypes.hh:14

◆ getFormula() [1/2]

TFormula& JAANET::JEvtWeightFactorTFormula::getFormula ( )
inlineprotected

Retrieve TFormula.

Returns
TFormula

Definition at line 148 of file JEvtWeightFactorTFormula.hh.

149  {
150  return static_cast<TFormula&>(*this);
151  }

◆ getFormula() [2/2]

const TFormula& JAANET::JEvtWeightFactorTFormula::getFormula ( ) const
inlineprotected

Retrieve TFormula.

Returns
TFormula

Definition at line 159 of file JEvtWeightFactorTFormula.hh.

160  {
161  return static_cast<const TFormula&>(*this);
162  }

◆ getTypeKey()

static const char* const JAANET::JEvtWeightFactor::getTypeKey ( )
inlinestaticinherited

Get type keyword.

Returns
type keyword

Definition at line 45 of file JEvtWeightFactor.hh.

46  {
47  return "type";
48  }

◆ getFactor()

virtual double JAANET::JEvtWeightFactor::getFactor ( const Evt &  evt) const
pure virtualinherited

Get event-weight factor of given event.

Parameters
evtevent
Returns
event-weight factor

Implemented in JAANET::JDiffuseFlux.

◆ operator()()

double JAANET::JEvtWeightFactor::operator() ( const Evt &  evt) const
inlineinherited

Get event-weight factor of given event.

Parameters
evtevent
Returns
event-weight factor

Definition at line 66 of file JEvtWeightFactor.hh.

67  {
68  return getFactor(evt);
69  }
JAANET::JEvtWeightFactor::getFactor
virtual double getFactor(const Evt &evt) const =0
Get event-weight factor of given event.

◆ is_valid()

virtual bool JAANET::JEvtWeightFactor::is_valid ( ) const
inlinevirtualinherited

Check whether this event-weight factor is valid.

Returns
true if valid; else false

Definition at line 77 of file JEvtWeightFactor.hh.

78  {
79  return true;
80  }

◆ check_validity()

void JAANET::JEvtWeightFactor::check_validity ( ) const
inlineinherited

Check validity of this event-weight factor.

Definition at line 86 of file JEvtWeightFactor.hh.

87  {
88  using namespace JPP;
89 
90  if (!is_valid()) {
91  THROW(JValueOutOfRange, "JEvtWeightFactor():check_validity(): Invalid event-weight factor " << *this);
92  }
93  }
JLANG::JValueOutOfRange
Exception for accessing a value in a collection that is outside of its range.
Definition: JException.hh:180
JPP
This name space includes all other name spaces (except KM3NETDAQ, KM3NET and ANTARES).
Definition: JAAnetToolkit.hh:43
JAANET::JEvtWeightFactor::is_valid
virtual bool is_valid() const
Check whether this event-weight factor is valid.
Definition: JEvtWeightFactor.hh:77

◆ getEquationParameters()

static JEquationParameters& JAANET::JEvtWeightFactor::getEquationParameters ( )
inlinestaticinherited

Get equation parameters.

Returns
equation parameters

Definition at line 101 of file JEvtWeightFactor.hh.

102  {
103  static JEquationParameters equation("=", ",", "./", "#");
104 
105  return equation;
106  }
JLANG::JEquationParameters
Simple data structure to support I/O of equations (see class JLANG::JEquation).
Definition: JEquationParameters.hh:20

◆ setEquationParameters()

static void JAANET::JEvtWeightFactor::setEquationParameters ( const JEquationParameters &  eqpars)
inlinestaticinherited

Set equation parameters.

Parameters
eqparsequation parameters

Definition at line 114 of file JEvtWeightFactor.hh.

115  {
116  getEquationParameters() = eqpars;
117  }
JAANET::JEvtWeightFactor::getEquationParameters
static JEquationParameters & getEquationParameters()
Get equation parameters.
Definition: JEvtWeightFactor.hh:101

◆ write()

virtual std::ostream& JAANET::JEvtWeightFactor::write ( std::ostream &  out) const
inlinevirtualinherited

Write event-weight factor to output.

Parameters
outoutput stream
Returns
output stream

Definition at line 174 of file JEvtWeightFactor.hh.

175  {
176  return out << getProperties();
177  }
JAANET::JEvtWeightFactor::getProperties
virtual JProperties getProperties(const JEquationParameters &eqpars=JEvtWeightFactor::getEquationParameters())
Get properties of this class.
Definition: JEvtWeightFactor.hh:125

◆ clone()

template<class JClonable_t , class JDerived_t >
virtual clone_type JLANG::JClonable< JClonable_t, JDerived_t >::clone ( ) const
inlineoverridevirtualinherited

Get clone of this object.

Returns
pointer to newly created object

Reimplemented in JTOOLS::JMultiMapTransformer< N, JArgument_t >::JMultiMapDefaultTransformer, JPHYSICS::JPDFTransformer< 5, JArgument_t >, JPHYSICS::JPDFTransformer< 4, JArgument_t >, JPHYSICS::JPDFTransformer< 3, JArgument_t >, JPHYSICS::JPDFTransformer< 2, JArgument_t >, JPHYSICS::JPDGTransformer_t< JArgument_t >, JPHYSICS::JPD0Transformer_t< JArgument_t >, and JPHYSICS::JPDFTransformer_t< JArgument_t >.

Definition at line 69 of file JClonable.hh.

70  {
71  return new JDerived_t(static_cast<const JDerived_t&>(*this));
72  }
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