te::da::Literal Class Reference

This class models a literal value. More...

#include <Literal.h>

Inheritance diagram for te::da::Literal:

Public Types
typedef void	ReturnType
typedef QueryVisitor	VisitorType

Public Member Functions
virtual ReturnType	accept (VisitorType &guest) const =0
	It call the visit method from the guest object. More...
Expression *	clone () const
	It creates a new copy of this expression. More...
te::dt::AbstractData *	getValue () const
	It returns the value associated to the literal. More...
TE_DEFINE_VISITABLE	Literal (te::dt::AbstractData *value)
	Constructor. More...
	Literal (const te::dt::AbstractData &value)
	Constructor. More...
	Literal (const Literal &rhs)
	Copy constructor. More...
Literal &	operator= (const Literal &rhs)
void	setValue (te::dt::AbstractData *v)
	It sets the value associated to the literal. More...
virtual	~Literal ()
	Virtual destructor. More...

Protected Attributes
std::unique_ptr< te::dt::AbstractData >	m_value

Detailed Description

This class models a literal value.

See also

Expression, te::dt::AbstractData, LiteralGeom, LiteralByteArray, LiteralFloat, LiteralDouble, LiteralInt32, LiteralInt64, LiteralString, LiteralDateTime

Definition at line 53 of file dataaccess/query/Literal.h.

Member Typedef Documentation

typedef void te::common::BaseVisitable< QueryVisitor , void >::ReturnType

inherited

Definition at line 58 of file BaseVisitable.h.

typedef QueryVisitor te::common::BaseVisitable< QueryVisitor , void >::VisitorType

inherited

Definition at line 57 of file BaseVisitable.h.

Constructor & Destructor Documentation

te::da::Literal::Literal

(

te::dt::AbstractData *

value

)

Constructor.

Parameters

value

The value to be assigned to the literal. The literal takes its ownership.

Definition at line 30 of file dataaccess/query/Literal.cpp.

Referenced by clone().

te::da::Literal::Literal

(

const te::dt::AbstractData &

value

)

Constructor.

Parameters

value

The value to be assigned to the literal.

Definition at line 35 of file dataaccess/query/Literal.cpp.

te::da::Literal::Literal

(

const Literal &

rhs

)

Copy constructor.

Definition at line 40 of file dataaccess/query/Literal.cpp.

References m_value, and ~Literal().

te::da::Literal::~Literal ( )

virtualdefault

Virtual destructor.

Referenced by Literal().

Member Function Documentation

virtual ReturnType te::common::BaseVisitable< QueryVisitor , void >::accept ( VisitorType &  guest ) const

pure virtualinherited

It call the visit method from the guest object.

Parameters

guest

The guest or visitor.

Returns

Any valid value define by the template type R.

te::da::Expression * te::da::Literal::clone ( ) const

virtual

It creates a new copy of this expression.

Implements te::da::Expression.

Reimplemented in te::da::LiteralBool, te::da::LiteralByteArray, te::da::LiteralDateTime, te::da::LiteralDouble, te::da::LiteralGeom, te::da::LiteralInt16, te::da::LiteralInt32, te::da::LiteralInt64, and te::da::LiteralString.

Definition at line 58 of file dataaccess/query/Literal.cpp.

References Literal().

te::dt::AbstractData * te::da::Literal::getValue

(

)

const

It returns the value associated to the literal.

Definition at line 63 of file dataaccess/query/Literal.cpp.

References m_value.

Referenced by te::qt::widgets::DataSetTableView::changeColumnData(), te::serialize::xml::Save(), te::pgis::SQLVisitor::visit(), te::ado::SQLVisitor::visit(), and te::da::SQLVisitor::visit().

te::da::Literal & te::da::Literal::operator=

(

const Literal &

rhs

)

Assignment operator.

Definition at line 48 of file dataaccess/query/Literal.cpp.

References m_value.

void te::da::Literal::setValue

(

te::dt::AbstractData *

v

)

It sets the value associated to the literal.

Parameters

v	The value to be assigned to the literal. The literal takes its ownership.

Definition at line 68 of file dataaccess/query/Literal.cpp.

References m_value.

Member Data Documentation

std::unique_ptr<te::dt::AbstractData> te::da::Literal::m_value

protected

Definition at line 97 of file dataaccess/query/Literal.h.

Referenced by getValue(), Literal(), operator=(), and setValue().

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

• dataaccess/query/Literal.h
• dataaccess/query/Literal.cpp