A base class for unary functions. More...

#include <UnaryFunction.h>

Inheritance diagram for te::da::UnaryFunction:

Public Types
typedef R	ReturnType

typedef QueryVisitor	VisitorType

Public Member Functions
virtual ReturnType	accept (VisitorType &guest) const =0
	It call the visit method from the guest object. More...

void	add (Expression *arg)
	It adds the argument to the function list of arguments. More...

Expression *	clone () const
	It creates a new copy of this expression. More...

Expression *	getArg (std::size_t i) const
	It returns the i-th function argument. More...

Expression *	getArgument () const
	It returns the function associated argument. More...

const std::string &	getName () const
	It returns the function name. More...

std::size_t	getNumArgs () const
	It returns the number of arguments informed to the function. More...

UnaryFunction &	operator= (const UnaryFunction &rhs)

Expression *	operator[] (std::size_t i) const
	It returns the i-th function argument. More...

void	setArgument (Expression *arg)
	It sets the function argument. More...

TE_DEFINE_VISITABLE	UnaryFunction (const std::string &name, Expression *arg)
	Constructor. More...

	UnaryFunction (const std::string &name, const Expression &arg)
	Constructor. More...

	UnaryFunction (const UnaryFunction &rhs)
	Copy constructor. More...

virtual	~UnaryFunction ()
	Virtual Destructor. More...

Protected Attributes
std::vector< Expression * >	m_args
	The list of arguments. More...

std::string	m_name
	The function name. May be an operator symbol or just a regular name like ST_Intersects. More...

Detailed Description

A base class for unary functions.

See also: Function, UnaryOp

Definition at line 43 of file UnaryFunction.h.

Member Typedef Documentation

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

inherited

Definition at line 58 of file BaseVisitable.h.

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

inherited

Definition at line 57 of file BaseVisitable.h.

Constructor & Destructor Documentation

te::da::UnaryFunction::UnaryFunction	(	const std::string &	name,
		Expression *	arg
	)

Constructor.

Parameters

name	The function name.
arg	The single function argument.

Note: The UnaryFunction will take the ownership of the given argument.

Definition at line 32 of file UnaryFunction.cpp.

References te::da::Function::m_args.

te::da::UnaryFunction::UnaryFunction	(	const std::string &	name,
		const Expression &	arg
	)

Constructor.

Parameters

name	The function name.
arg	The single function argument.

Definition at line 39 of file UnaryFunction.cpp.

References te::da::Expression::clone(), and te::da::Function::m_args.

te::da::UnaryFunction::UnaryFunction ( const UnaryFunction & rhs )

Copy constructor.

Definition at line 45 of file UnaryFunction.cpp.

te::da::UnaryFunction::~UnaryFunction ( )

virtual

Virtual Destructor.

Definition at line 50 of file UnaryFunction.cpp.

Member Function Documentation

virtual ReturnType te::common::BaseVisitable< QueryVisitor , R >::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.

void te::da::Function::add ( Expression * arg )

inherited

It adds the argument to the function list of arguments.

Parameters

arg	The argument to be added.

Note: The Function will take the ownership of the given argument.

Definition at line 79 of file Function.cpp.

Referenced by te::map::QueryEncoder::getExpression(), te::da::ObjectIdSet::getExpressionByInClause(), te::da::ObjectIdSet::setExpressionByInClause(), and te::map::QueryEncoder::visit().

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

virtual

It creates a new copy of this expression.

Reimplemented from te::da::Function.

Reimplemented in te::da::Variance, and te::da::UnaryOp.

Definition at line 60 of file UnaryFunction.cpp.

te::da::Expression * te::da::Function::getArg ( std::size_t i ) const

inherited

It returns the i-th function argument.

Parameters

i	The argument position.

Returns: The it-th function argument.

Definition at line 67 of file Function.cpp.

Referenced by te::da::SpatialRestrictionVisitor::getGeometryRestriction(), te::da::SpatialRestrictionVisitor::getPropertyName(), te::da::SpatialRestrictionVisitor::isFromEnvelope(), and te::serialize::xml::Save().

te::da::Expression * te::da::UnaryFunction::getArgument ( ) const

It returns the function associated argument.

Returns: The function associated argument.

Definition at line 65 of file UnaryFunction.cpp.

const std::string& te::da::Function::getName ( ) const

inlineinherited

It returns the function name.

Returns: The function name.

Definition at line 79 of file Function.h.

Referenced by te::da::AttributeRestrictionVisitor::getOperator(), te::da::SpatialRestrictionVisitor::getSpatialRelation(), te::da::AttributeRestrictionVisitor::isAttributeRestrictionFunction(), te::da::SpatialRestrictionVisitor::isSpatialRestrictionFunction(), te::serialize::xml::Save(), te::da::SpatialQueryProcessor::supportsSpatialTopologicOperatos(), te::ogr::SQLVisitor::visit(), and te::da::SQLVisitor::visit().

std::size_t te::da::Function::getNumArgs ( ) const

inherited

It returns the number of arguments informed to the function.

Returns: The number of parameters.

Definition at line 62 of file Function.cpp.

Referenced by te::da::ObjectIdSet::getExpressionByInClause(), te::da::SpatialRestrictionVisitor::getGeometryRestriction(), te::da::SpatialRestrictionVisitor::getPropertyName(), te::da::SpatialRestrictionVisitor::isFromEnvelope(), te::serialize::xml::Save(), te::da::ObjectIdSet::setExpressionByInClause(), te::da::FunctionNoArgsEncoder::toSQL(), te::da::UnaryOpEncoder::toSQL(), te::da::BinaryOpEncoder::toSQL(), te::da::FunctionEncoder::toSQL(), te::da::TemplateEncoder::toSQL(), te::ogr::SQLVisitor::visit(), te::da::AttributeRestrictionVisitor::visit(), te::da::SpatialRestrictionVisitor::visit(), and te::da::SQLVisitor::visit().

te::da::UnaryFunction & te::da::UnaryFunction::operator= ( const UnaryFunction & rhs )

Assignment operator.

Definition at line 54 of file UnaryFunction.cpp.

References te::da::Function::operator=().

te::da::Expression * te::da::Function::operator[] ( std::size_t i ) const

inherited

It returns the i-th function argument.

Parameters

i	The argument position.

Returns: The it-th function argument.

Definition at line 73 of file Function.cpp.

void te::da::UnaryFunction::setArgument ( Expression * arg )

It sets the function argument.

Parameters

arg	The single function argument.

Note: The UnaryFunction will take the ownership of the given argument.

Definition at line 71 of file UnaryFunction.cpp.

Member Data Documentation

std::vector<Expression*> te::da::Function::m_args

protectedinherited

The list of arguments.

Definition at line 118 of file Function.h.

Referenced by te::da::BinaryFunction::BinaryFunction(), te::da::Function::Function(), te::da::Like::Like(), te::da::Function::operator=(), te::da::ST_Area::ST_Area(), te::da::ST_Buffer::ST_Buffer(), te::da::ST_Centroid::ST_Centroid(), te::da::ST_ConvexHull::ST_ConvexHull(), te::da::ST_DistanceBuffer::ST_DistanceBuffer(), te::da::ST_Envelope::ST_Envelope(), te::da::ST_Length::ST_Length(), te::da::ST_Perimeter::ST_Perimeter(), te::da::ST_Relate::ST_Relate(), te::da::ST_Transform::ST_Transform(), te::da::Substring::Substring(), and UnaryFunction().

std::string te::da::Function::m_name

protectedinherited

The function name. May be an operator symbol or just a regular name like ST_Intersects.

Definition at line 117 of file Function.h.

Referenced by te::da::Function::operator=().

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

C:/TL5_2015_release/terralib5/src/terralib/dataaccess/query/UnaryFunction.h
C:/TL5_2015_release/terralib5/src/terralib/dataaccess/query/UnaryFunction.cpp

Public Types

Public Member Functions

Protected Attributes

Detailed Description

Member Typedef Documentation

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation