IdentifierNode< AVariableManager > Class Template Reference

Class which stores the name of a variable. More...

#include <CutNodes.h>

Inheritance diagram for IdentifierNode< 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	processVariable ()
	Get variable from AVariableManger.
	~IdentifierNode ()
	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
	IdentifierNode (const std::string &name)
	Constructor.

Private Attributes
const std::string	m_name
	name of the variable
const Var *	m_var
	set if there was a valid variable in this cut

Friends
class	NodeFactory

Detailed Description

template<class AVariableManager>
class Belle2::IdentifierNode< AVariableManager >

Class which stores the name of a variable.

Variable evaluation with the variable manager

Definition at line 941 of file CutNodes.h.

Member Typedef Documentation

Object

typedef AVariableManager::Object Object

private

Template argument dependent Particle type definition.

Definition at line 945 of file CutNodes.h.

Var

typedef AVariableManager::Var Var

private

Template argument dependent Variable type definition.

Definition at line 949 of file CutNodes.h.

Constructor & Destructor Documentation

~IdentifierNode()

~IdentifierNode ( )

inline

Destructor.

Definition at line 995 of file CutNodes.h.

{}

IdentifierNode()

IdentifierNode ( const std::string &  name )

inlineexplicitprivate

Constructor.

Parameters

name	(const std::string&): name of the identifier in cut

Definition at line 1003 of file CutNodes.h.

: m_name{name}, m_var{nullptr} {processVariable();}

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 975 of file CutNodes.h.

    {
      return m_name;
    }

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 955 of file CutNodes.h.

    {
      if (m_var != nullptr) {
        return m_var->function(p);
      } else {
        throw std::runtime_error("Cut string has an invalid format: Neither number nor variable name");
      }
    }

print()

void print ( ) const

inlineoverridevirtual

Print node.

Implements AbstractExpressionNode< AVariableManager >.

Definition at line 966 of file CutNodes.h.

    {
      std::cout << m_name;
    }

processVariable()

void processVariable ( )

inline

Get variable from AVariableManger.

Definition at line 983 of file CutNodes.h.

    {
      AVariableManager& manager = AVariableManager::Instance();
      m_var = manager.getVariable(m_name);
      if (m_var == nullptr) {
        throw std::runtime_error(
          "Cut string has an invalid format: Variable not found: " + m_name);
      }
    }

Friends And Related Function Documentation

NodeFactory

friend class NodeFactory

friend

Definition at line 998 of file CutNodes.h.

Member Data Documentation

m_name

const std::string m_name

private

name of the variable

Definition at line 1004 of file CutNodes.h.

m_var

const Var* m_var

private

set if there was a valid variable in this cut

Definition at line 1005 of file CutNodes.h.

---

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

• framework/utilities/include/CutNodes.h