FunctionNode< AVariableManager > Class Template Reference

FunctionNode Node class for handling MetaVariables in cuts. More...

#include <CutNodes.h>

Inheritance diagram for FunctionNode< AVariableManager >:

Public Member Functions
AVariableManager::VarVariant	evaluate (const Object *p) const override
	evaluate m_var with p and return the result
void	print () const override
	Print node.
std::string	decompile () const override
	Decompile Node back to a string.
void	processMetaVariable ()
	Get MetaVariable from AVariableManager.
	~FunctionNode ()
	Destructor.

Private Types
typedef AVariableManager::Object	Object
	Template argument dependent Particle type definition.
typedef AVariableManager::Var	Var
	Template argument dependent Variable type definition.

Private Member Functions
	FunctionNode (const std::string &functionName, const std::vector< std::string > &functionArguments)
	Constructor.

Private Attributes
const std::string	m_name
	Function name of the MetaVariable.
const std::vector< std::string >	m_arguments
	vector of string arguments of the MetaVariable
const Var *	m_var
	set if there was a valid variable in this cut

Friends
class	NodeFactory

Detailed Description

template<class AVariableManager>
class Belle2::FunctionNode< AVariableManager >

FunctionNode Node class for handling MetaVariables in cuts.

Definition at line 1013 of file CutNodes.h.

Member Typedef Documentation

Object

typedef AVariableManager::Object Object

private

Template argument dependent Particle type definition.

Definition at line 1017 of file CutNodes.h.

Var

typedef AVariableManager::Var Var

private

Template argument dependent Variable type definition.

Definition at line 1021 of file CutNodes.h.

Constructor & Destructor Documentation

~FunctionNode()

~FunctionNode ( )

inline

Destructor.

Definition at line 1068 of file CutNodes.h.

{}

FunctionNode()

FunctionNode ( const std::string &  functionName, const std::vector< std::string > &  functionArguments  )

inlineexplicitprivate

Constructor.

Parameters

functionName	(const std::string&): function name of the MetaVariable
functionArguments	(const std::vector<std::string>&): function arguments of the MetaVariable

Definition at line 1077 of file CutNodes.h.

                                                                                                       : m_name{functionName},
      m_arguments{functionArguments}
    {processMetaVariable();}

Member Function Documentation

decompile()

std::string decompile ( ) const

inlineoverridevirtual

Decompile Node back to a string.

decompile(compile) should give the same result.

Implements AbstractExpressionNode< AVariableManager >.

Definition at line 1044 of file CutNodes.h.

    {
      std::string fullname = m_name + "(" + boost::algorithm::join(m_arguments, ", ") + ")";
      return fullname;
    }

evaluate()

AVariableManager::VarVariant evaluate ( const Object *  p ) const

inlineoverridevirtual

evaluate m_var with p and return the result

Parameters

p	pointer to the object, for which m_var should be evaluated.

Implements AbstractExpressionNode< AVariableManager >.

Definition at line 1027 of file CutNodes.h.

    {
      return m_var->function(p);
    }

print()

void print ( ) const

inlineoverridevirtual

Print node.

Implements AbstractExpressionNode< AVariableManager >.

Definition at line 1034 of file CutNodes.h.

    {
      std::string fullname = m_name + "(" + boost::algorithm::join(m_arguments, ", ") + ")";
      std::cout << fullname;
    }

processMetaVariable()

void processMetaVariable ( )

inline

Get MetaVariable from AVariableManager.

Definition at line 1053 of file CutNodes.h.

    {
      // Initialize Variable
      AVariableManager& manager = AVariableManager::Instance();
      m_var = manager.getVariable(m_name, m_arguments);
      if (m_var == nullptr) {
        auto fullname = m_name + "(" + boost::algorithm::join(m_arguments, ", ") + ")";
 
        throw std::runtime_error(
          "Cut string has an invalid format: Metavariable not found: " + fullname);
      }
    }

Friends And Related Function Documentation

NodeFactory

friend class NodeFactory

friend

Definition at line 1071 of file CutNodes.h.

Member Data Documentation

m_arguments

const std::vector<std::string> m_arguments

private

vector of string arguments of the MetaVariable

Definition at line 1081 of file CutNodes.h.

m_name

const std::string m_name

private

Function name of the MetaVariable.

Definition at line 1080 of file CutNodes.h.

m_var

const Var* m_var

private

set if there was a valid variable in this cut

Definition at line 1082 of file CutNodes.h.

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

• framework/utilities/include/CutNodes.h